OpenPhone Alternatives

OpenPhone nailed the modern app-first business phone for startups and small teams. Clean iOS/Android/Mac/Windows apps, shared SMS inboxes that work like Slack, round-robin call routing that an office manager can configure in ten minutes, and a Starter tier at $13/user/mo that undercuts most UCaaS incumbents. For a 2–10 person team that needs a business number, voicemail, group SMS, and a clean mobile app, OpenPhone remains one of the best products in the category.

The pressure points show up as the team scales. The recurring switch triggers we hear are not about price — they are about ceiling: “we outgrew it,” “we needed a real contact center,” “we entered healthcare and needed a HIPAA BAA,” “we crossed 25 seats and the admin tools ran out of depth,” “we needed native Salesforce sync, not a Zapier bridge.” OpenPhone is built for the first phase. The vendors below are built for what comes after.

This roundup compares ten OpenPhone alternatives — including DialPhone AI Pro — across published pricing, AI depth, contact-center maturity, compliance posture, and the customer profile each one fits best. Pricing and features were verified from each vendor’s public pricing page on May 19, 2026, against the open 13-provider SMB VoIP Pricing Research 2026 dataset. Prices and features change; we re-verify every 90 days. For current vendor pricing, always check the linked source directly.

What changed in 2026 (May refresh)

• OpenPhone still publishes Starter at $13/user/mo and Business at $20/user/mo (annual prices, per the 13-provider pricing dataset). HIPAA BAA is still unavailable; the dataset’s signs_baa flag for OpenPhone is false, which keeps healthcare and PHI-adjacent workflows off the platform entirely.
• DialPhone added HIPAA BAA coverage on every plan tier (Core, Advanced, Ultra) at no surcharge, and shipped EHR integrations for Epic, Athenahealth, Kareo/Tebra, Dentrix, and eClinicalWorks (April 2026).
• RingCentral RingSense is now a separately licensed add-on at roughly $25/user/mo on top of the seat rate; not bundled into the headline Office or Advanced tiers.
• Dialpad Ai Contact Center moved a portion of its real-time coaching features behind the new Pro tier; the Standard tier no longer includes live coaching for new accounts.
• 8x8 X-Series consolidated four older plans into three (X2, X4, X8); the X1 SMB tier was retired in February 2026.
• Aircall raised the seat minimum on Essentials from 2 to 3 users (effective March 2026).
• Nextiva kept its Essential/Professional/Enterprise tiers at $18 / $22 / $30 but video conferencing and HIPAA BAA remain gated to Enterprise.

If your last OpenPhone-alternative evaluation was before March 2026, the comparison has shifted materially — especially around HIPAA, CCaaS pricing transparency, and AI inclusion in base tiers.

Quick comparison table

The ten vendors most often compared against OpenPhone by growing teams, with two columns most buyers ask us to add: pricing transparency (scored 1–5 in the open 13-provider pricing dataset — higher is better) and whether a published free trial is available without a sales call.

Vendor	Starting price	AI focus	Pricing transparency (1–5)	Free trial?	Best for
DialPhone AI Pro	$24/user/mo	AI-native UC + CC	5	14 days, self-serve	Scaling past startup, compliance
OpenPhone	$13/user/mo (Starter)	Basic summaries (Business)	4	7 days	2–10 person teams, app-first
Grasshopper	$29/mo (flat)	None	4	7 days	Solopreneurs
RingCentral	$30/user/mo	RingSense (add-on)	2	14 days	Enterprise breadth
Dialpad	$15/user/mo	Real-time coaching	3	14 days	AI-first sales teams
Zoom Phone	$10/user/mo	Zoom AI Companion	3	None	Zoom-standardized shops
Google Voice	$10/user/mo	Minimal	3	14 days	Google Workspace-only teams
Aircall	$30/user/mo	AI summaries	3	7 days	Sales/support + CRM
Nextiva	$20/user/mo	Unified CX AI	3	None	Mid-market CX
8x8	$24/user/mo	Supervisor AI	2	None	Global teams, XCaaS
Sideline	$10/mo	None	3	7 days	Individual second-line users

OpenPhone’s 4/5 pricing transparency reflects published per-seat tiers and a 7-day free trial, but the dataset also flags two gaps that decide most switch evaluations: signs_baa is false (no HIPAA path at any tier) and the product surface stops at shared inboxes (no published CCaaS tier). DialPhone is the only provider in the dataset with a 5/5 transparency score plus a 14-day self-serve free trial plus BAA available on every plan tier plus published CCaaS pricing.

If you’d rather plug your own seat count and call volume into a model, the open 13-provider VoIP cost calculator covers the same vendors profiled below with three-year TCO modeling for the 5–50 seat range where most OpenPhone evaluations land.

1. DialPhone AI Pro: best for teams scaling past startup

Starting price: $24/user/mo (Core, billed annually) Best for: 10–500 person teams scaling past the startup phase into mid-market or regulated industries Check current pricing: dialphone.com/pricing

Key features

• AI-native calls, SMS, meetings, fax, and contact center on a single platform
• Shared lines, ring groups, hunt groups, and skills-based routing in the base plan
• HD video meetings for 200 participants with AI captions and AI summaries included
• TCPA and 10DLC-compliant business SMS with AI drafting on Advanced
• HIPAA BAA at no surcharge on every plan (Core $24, Advanced $34, Ultra $54)
• Salesforce and HubSpot bi-directional sync, native — not a Zapier middleware bridge
• Contact center with published tiers (Standard $65, Professional $95, Elite $145)

Pros vs. OpenPhone

• Full contact-center path on the same platform. OpenPhone tops out at shared inboxes and round-robin. DialPhone adds skills-based routing, supervisor whisper/barge, omnichannel queues, and workforce-management hooks as a tier upgrade — not a vendor migration.
• HIPAA BAA on every tier. OpenPhone does not sign BAAs (per the dataset). DialPhone signs at no surcharge starting on Core, which lets healthcare, behavioral-health, and clinical-services teams use the same product their non-regulated team uses.
• AI included in the base plan. AI live captions, meeting summaries, and call transcription are in Core. OpenPhone’s AI summaries are gated to the Business tier ($20) and the depth is lighter than DialPhone’s.
• Published enterprise tiers. When the team crosses 100 seats, DialPhone has Ultra and CCaaS Elite already priced. OpenPhone Enterprise is custom-quote only.
• Salesforce and HubSpot native depth. Bi-directional sync, call logging, and workflow triggers. OpenPhone’s CRM integrations on Business are functional but shallower.

Cons vs. OpenPhone

• Higher entry price ($24 vs $13 Starter)
• OpenPhone’s UX polish at the 3-seat scale is genuinely best-in-category
• Brand recognition: OpenPhone has been in-market since 2018 with a strong startup-investor following

Who it’s best for

Teams currently on OpenPhone planning to grow past 20–50 seats, add a contact center, enter regulated industries (healthcare, legal, financial services), or replace a Zapier-bridge CRM workflow with native sync.

See DialPhone pricing → · DialPhone vs OpenPhone direct comparison → · Talk to sales →

2. Grasshopper: best for solopreneurs

Starting price: $29/mo flat (not per user, includes 1 number + 3 extensions on Solo) Best for: solopreneurs and 1-person shops wanting a business number without a phone system Check current pricing: grasshopper.com/pricing

Grasshopper is a flat-rate virtual phone number with extensions, voicemail-to-email, and a basic mobile app. It’s deliberately not a team phone system — the product targets the solo consultant, freelancer, or single-truck contractor who needs a business number that forwards to a personal cell.

Differentiator vs. OpenPhone: flat pricing for a single user, not per-seat. For a true solopreneur, $29/mo for unlimited extensions is cheaper than OpenPhone’s per-user model once you add a second forwarding line or two virtual extensions.

Where DialPhone wins: Grasshopper has no team features, no AI, no contact center, no compliance posture, and no path past 5–10 extensions. The moment a freelancer hires a second person who needs their own login and call history, Grasshopper becomes the wrong product. DialPhone scales from 1 seat to enterprise.

Where OpenPhone wins: for a 2–3 person team OpenPhone’s app-first UX is significantly more modern than Grasshopper’s, which still feels like a 2012 product.

Cons: no real team features; no AI; flat-pricing math gets worse as soon as you need user-level call history; aging mobile apps.

3. RingCentral: best for enterprise breadth

Starting price: $30/user/mo (Advanced) Best for: growing teams crossing 100+ seats with global telephony or analyst-led procurement Check current pricing: ringcentral.com/office/plansandpricing.html

RingCentral has been the UCaaS category leader for two decades and ships the deepest global telephony footprint of any vendor in this list — local DIDs in 40+ countries, HITRUST, FedRAMP Moderate, PCI-DSS Level 1, and the kind of analyst-leadership procurement teams use as a default safe choice.

Differentiator vs. OpenPhone: global telephony depth and enterprise compliance posture. OpenPhone is US/CA-centric with a feature set built for startups. RingCentral is purpose-built for the 500-seat company with offices in three countries.

Where DialPhone wins: AI is included in DialPhone’s base plan; RingSense is a separate $25/user/mo add-on on top of the seat rate, which pushes the effective AI-included RingCentral price north of $55/user/mo. DialPhone’s CCaaS is unified with UCaaS on the same platform; RingCentral splits them into RingEX and RingCX with separate admin and billing. Pricing transparency in the dataset: DialPhone 5/5, RingCentral 2/5.

Where OpenPhone wins: entry price and product simplicity. RingCentral’s admin is dense, the contracting is aggressive, and a 5-seat startup will use 10% of the feature surface.

Cons: AI is a paid bolt-on; CCaaS is a separate product (RingCX); long-term contracts with 7–10% per-cycle renewal increases are common.

See RingCentral alternatives →

4. Dialpad: best for AI-first sales teams

Starting price: $15/user/mo (Standard) Best for: sales-heavy teams prioritizing real-time call coaching and voice AI Check current pricing: dialpad.com/pricing

Dialpad was the early mover in “AI for telephony” under the Dialpad Ai brand. Its real-time transcription, voice-agent assist, and live coaching are the deepest in the market for sales-call use cases specifically — built around the assumption that a sales manager wants real-time prompts during a live call, not just a post-call summary.

Differentiator vs. OpenPhone: real-time AI coaching. OpenPhone’s AI on the Business tier delivers post-call summaries and basic transcription. Dialpad delivers in-call coaching prompts as the conversation happens, which matters for an inside-sales team running 50+ calls per rep per day.

Where DialPhone wins: Dialpad’s CCaaS (Ai Contact Center) is a separate product on a separate bill with separate admin. DialPhone unifies UCaaS and CCaaS on one platform with one bill. Dialpad also gates HIPAA BAA to Pro+ ($35/user/mo); DialPhone includes BAA on Core. For a healthcare or behavioral-health team running 30–80 seats, that BAA placement matters.

Where OpenPhone wins: simpler product surface and a more polished small-team UX. Dialpad is over-spec’d for a 5-person ops team that just needs a shared inbox.

Cons: CCaaS is a separate product and bill; some AI features moved behind Pro and Enterprise tiers in 2026; Microsoft Teams integration requires the Dialpad MS Teams Connector.

See DialPhone vs Dialpad →

5. Zoom Phone: best for Zoom-standardized shops

Starting price: $10/user/mo metered; $20/user/mo unlimited (US/Canada) Best for: teams already standardized on Zoom Meetings as the primary collaboration tool Check current pricing: zoom.us/pricing/zoom-phone

Zoom Phone is the PSTN layer for Zoom Meetings — lowest published entry price on the list, simple admin because it inherits Zoom’s UI conventions, and a frictionless single sign-on path for orgs already on Zoom for video.

Differentiator vs. OpenPhone: price floor and Zoom-Meetings integration. At $10/user/mo metered, Zoom Phone is roughly 25% cheaper than OpenPhone Starter for a team that already runs Zoom Meetings.

Where DialPhone wins: Zoom Phone is voice-only by design — SMS is basic, AI lives in Zoom AI Companion as a separate license, and Zoom Contact Center is a wholly separate product with separate pricing. DialPhone ships unified voice + SMS + meetings + CCaaS + AI on one seat license, with native SMS that meets TCPA/10DLC compliance out of the box.

Where OpenPhone wins: SMS depth and a shared-inbox UX Zoom Phone does not attempt. For a team that texts customers heavily, OpenPhone is the clearly better product.

Cons: SMS is basic; AI Companion is a separate license; Contact Center is a separate product; no published free trial; the metered tier surprises high-volume teams with per-minute charges.

6. Google Voice for Workspace: best for Google Workspace-only teams

Starting price: $10/user/mo (Starter, up to 10 users) Best for: teams fully on Google Workspace that need a basic business number with native Gmail/Calendar integration Check current pricing: workspace.google.com/products/voice

Google Voice for Workspace is the cheapest team-grade option in the list and inherits the Google Workspace admin experience — same SSO, same user provisioning, same recovery flows.

Differentiator vs. OpenPhone: native Google Workspace integration and a $10 price floor. For a 15-person law firm fully standardized on Google Workspace, the procurement friction is roughly zero.

Where DialPhone wins: Google Voice ships almost no AI, no real business SMS (texting is US-only and basic), no contact center, no HIPAA BAA on Starter, and narrow international calling. DialPhone delivers compliance-grade SMS, AI captions and summaries, CCaaS path, and BAA on Core — at $24, but with vastly more product surface.

Where OpenPhone wins: SMS-first workflows, shared inbox UX, and integrations beyond the Google ecosystem.

Cons: SMS is severely limited; no AI worth naming; no contact center; HIPAA BAA only on Standard/Premier (and gated); narrow international.

7. Aircall: best for sales/support with CRM

Starting price: $30/user/mo (Essentials, 3-user minimum since March 2026) Best for: sales/support teams living inside Salesforce, HubSpot, or Zendesk Check current pricing: aircall.io/pricing

Aircall built the “phone-for-CRM-teams” category — the product is optimized for an agent who lives inside Salesforce or HubSpot and wants the dialer embedded in the CRM, not the other way around. Excellent CRM logging, native cadences, and the Aircall App Marketplace for sales workflow add-ons.

Differentiator vs. OpenPhone: CRM embed depth. OpenPhone’s Business-tier CRM integrations cover the basics (call logging, contact sync) but the dialer experience still lives in OpenPhone’s app. Aircall reverses that — agents work inside Salesforce or HubSpot all day and the phone is a panel embedded in the CRM record.

Where DialPhone wins: Aircall has no UCaaS or meetings story — it’s voice + SMS + CRM only, not unified communications. DialPhone delivers Salesforce/HubSpot CRM embeds plus meetings, SMS, and CCaaS on one seat license at a lower starting price ($24 vs $30 with a 3-user minimum). For teams running an inside-sales motion plus internal collaboration, the unified seat math is decisive.

Where OpenPhone wins: lower entry price, no seat minimum, and a friendlier small-team workflow for teams that don’t live in Salesforce.

Cons: higher starting price than OpenPhone or DialPhone; AI features added recently and still maturing; no real UCaaS/meetings story; 3-user minimum on Essentials.

8. Nextiva: best for mid-market CX

Starting price: $20/user/mo (Essential, annual) Best for: growing teams wanting a built-in CRM on the same bill as the phone system Check current pricing: nextiva.com/pricing

Nextiva repositioned itself from “business communications” to “customer experience platform” in 2024, bundling voice, video, SMS, and a native customer-relationship suite into a single product.

Differentiator vs. OpenPhone: built-in CRM and a CX-focused workflow. OpenPhone doesn’t try to be a CRM — it expects the customer to live in Salesforce or HubSpot. Nextiva bundles a CRM into the comms platform, which is the right answer for a 30-seat real-estate brokerage or professional-services firm that doesn’t already have a CRM standardized.

Where DialPhone wins: AI maturity and pricing transparency. Nextiva’s AI added recently and still ships as a layer rather than a core architecture; DialPhone is AI-native across the stack. Nextiva’s pricing transparency is 3/5 in the dataset (22% hidden-fee share, BAA gated to Enterprise, no free trial); DialPhone is 5/5 with a published 14-day trial.

Where OpenPhone wins: the entry price and the small-team UX. Nextiva is built for 25-seat-and-up mid-market; OpenPhone is built for the 2–10 seat startup where the Nextiva product surface would be over-spec’d.

Cons: AI still maturing; CCaaS pricing is quote-only; HIPAA BAA gated to Enterprise; no published free trial.

See Nextiva alternatives →

9. 8x8: best for global teams

Starting price: $24/user/mo (X2) Best for: teams with heavy international calling and XCaaS (unified UC + CC) preference Check current pricing: 8x8.com/products/plans-and-pricing

8x8 has the broadest international calling inclusion in this list — unlimited inbound and outbound to 48+ countries on X4, expanding to nearly the entire developed world on X8. The XCaaS branding unifies UCaaS and CCaaS under one umbrella.

Differentiator vs. OpenPhone: international calling and unified UC+CC. OpenPhone is North-America-first; 8x8 is purpose-built for the 200-seat company with offices in London, Sydney, and Singapore.

Where DialPhone wins: AI maturity and admin UX. 8x8’s AI features trail the AI-native leaders, and its admin console is dense after 30+ years of feature accretion. DialPhone’s admin UX is built around 2024-era conventions — single-page admin, drag-and-drop flows, real-time test calls. Pricing transparency in the dataset: DialPhone 5/5, 8x8 2/5.

Where OpenPhone wins: entry price and product simplicity. 8x8 X2 at $24 is on top of a procurement cycle 8x8 doesn’t try to compress; OpenPhone is a credit-card-and-go signup.

Cons: admin UX is dense; AI lags AI-native leaders; CCaaS tiers move into custom pricing quickly; no published free trial.

10. Sideline: best for individual second-line users

Starting price: $10/mo per user (Standard) Best for: solo professionals wanting a second business number on the same phone Check current pricing: sideline.com/pricing

Sideline is the canonical “second line on your iPhone” product — it adds a separate business number to the same device, with separate voicemail, separate texts, and separate ringtone. The product is deliberately not a team phone system.

Differentiator vs. OpenPhone: single-line simplicity at $10/mo. For a real-estate agent, freelance designer, or solo contractor who wants the business number to live on the same iPhone as the personal number, Sideline is a cleaner answer than OpenPhone Starter.

Where DialPhone wins: anything past the single-user use case. Sideline has no team features, no AI, no contact center, no compliance posture, and no admin.

Where OpenPhone wins: team coordination. Two solo agents working together on the same number is already past Sideline’s design intent — OpenPhone handles it natively.

Cons: not a team phone system; no real business features; no AI.

When OpenPhone stops being enough

The 13-provider pricing dataset flags four OpenPhone gaps that drive most evaluations off the platform. These are the recurring growth signals — when one or more of these lands on the IT roadmap, OpenPhone usually exits the shortlist within a quarter.

1. HIPAA enters the picture. OpenPhone’s signs_baa flag is false; there is no BAA path at any tier. The moment a team starts taking patient calls, scheduling clinical appointments, sending appointment-reminder SMS that references diagnoses, or supports any PHI-adjacent workflow, OpenPhone becomes legally untenable. We hear this most from behavioral-health practices, telehealth startups, dental groups, and HR-tech vendors who realize they’re handling employee health data. DialPhone, RingCentral, 8x8 (X4+), and Dialpad (Pro+) are the four common landing spots.

2. Contact center becomes a real need. Shared SMS inboxes work up to about 4–6 agents on a single queue. Past that — multiple queues, skills-based routing, supervisor whisper/barge, omnichannel (voice + SMS + email + chat) handling, or a workforce-management integration for forecasting — OpenPhone runs out of capability. Buyers either bolt on a separate CCaaS product (which fragments admin and billing) or move the entire stack to a platform with native CCaaS (DialPhone, RingCentral RingCX, 8x8, Five9).

3. Headcount crosses 25–50 seats. OpenPhone’s admin tools are designed for a flat team where the IT admin knows everyone. Past 25–50 seats, growing teams need role-based access control, audit logs, SSO with SAML, SCIM provisioning, and granular permission boundaries between departments. OpenPhone has the basics; UCaaS-grade competitors ship significantly more depth.

4. Native CRM depth becomes load-bearing. OpenPhone’s Business-tier Salesforce and HubSpot integrations work for basic call logging and contact sync. Teams running a real inside-sales motion — bi-directional sync of call outcomes, automated activity creation against opportunities, workflow triggers from call dispositions, sales-cadence integration — usually outgrow OpenPhone’s depth around 15–25 seats.

DialPhone, Aircall, and Dialpad ship significantly deeper CRM embeds; the DialPhone AI receptionist for small business guide walks through how AI-routed calls trigger CRM workflows automatically.

When OpenPhone is still the right call

Honest framing: not every OpenPhone customer should switch. Three scenarios where staying is the better answer:

1. You’re 2–10 seats and plan to stay that way for 12+ months. OpenPhone’s product-market fit at this size is genuinely best-in-category. The app polish, the shared-inbox UX, the friction-free signup, the per-seat economics — for a 5-person agency or startup with no contact-center plans, OpenPhone delivers more daily usability than DialPhone or Dialpad’s Core/Standard tiers.

2. You don’t need HIPAA, CCaaS, or deep CRM depth. If your workflow is “internal team coordination plus customer texting plus the occasional CRM log,” OpenPhone covers it cleanly. Switching for features you’ll never use trades real implementation cost for theoretical optionality.

3. You’re under an annual contract with 6+ months remaining. Early-termination math rarely beats running out the term. Model the cutover at renewal, evaluate the alternatives 60 days before the renewal date, and use the gap to pilot one or two on a small team.

Where switching is the clear answer: HIPAA enters the roadmap, headcount projects past 25 seats in 12 months, a contact-center need surfaces, native Salesforce/HubSpot depth becomes load-bearing, or AI capabilities (drafting, summarization, in-call assist) start mattering to the daily workflow.

How to migrate from OpenPhone to DialPhone

OpenPhone-to-DialPhone migrations land in three buckets by team size. Self-serve (1–10 seats): sign up, port numbers (free, 2–5 business days, zero service interruption), recreate shared inboxes and ring groups in the admin UI, reconnect Salesforce/HubSpot integrations, and run a parallel period of 1–2 weeks before fully cutting over. Total time to fully migrated state: 5–10 business days.

Assisted (10–25 seats): the DialPhone implementation team provides a porting checklist, a call-flow recreation worksheet, and a kickoff session. Total time: 7–14 business days.

White-glove (25+ seats): free white-glove migration. Dedicated project manager, full call-flow recreation by DialPhone implementation engineers, user provisioning via SCIM or CSV, parallel cutover support, and integration reconnect for Salesforce, HubSpot, MS Teams, and Zendesk. Typical timeline: 10–21 business days for 25–100 seats.

Number porting is free on every tier. There is no service interruption — calls and SMS continue flowing on the original carrier until the port completes, then transfer atomically. For a side-by-side cost model before you start, see the VoIP cost calculator covering the same 13 providers profiled in the dataset.

Why growing teams switch from OpenPhone to DialPhone

Three recurring patterns:

1. “We outgrew the shared inbox.” Past 4–6 agents on a single queue, OpenPhone’s shared inboxes start showing seams. DialPhone adds skills-based routing, supervisor whisper/barge, and omnichannel queueing as a tier upgrade — not a vendor migration.

2. “We needed HIPAA.” OpenPhone doesn’t sign BAAs. DialPhone signs at no surcharge on every plan tier starting at Core ($24). For healthcare, behavioral-health, and clinical-services teams, that single difference decides the evaluation.

3. “We needed a real contact center on the same platform.” DialPhone CCaaS tiers are published — Standard $65, Professional $95, Elite $145 — which lets buyers model the full UC + CC stack on a spreadsheet in 30 minutes, instead of running a 4-week sales cycle to discover the pricing.

Start a free 14-day DialPhone trial → · Compare DialPhone vs OpenPhone → · See DialPhone pricing → · Browse all alternatives guides →