VoIP & Business Phone Software Comparison (2026)
Comparison charts are only useful when they show everything, so this one lists all 23 voip & business phone tools we track in VoIP & Business Phone, not a hand-picked five.
The table separates a permanent free plan from a time-limited trial, pins down the entry price, and names who each tool fits, so you can rule options in or out fast before reading any single review.
Methodology: entry price is the lowest recurring paid tier we could verify; the free-plan column distinguishes a permanent free tier from a trial-only offer. The audience and standout are drawn from the tool's stated focus, not marketing superlatives. Figures reflect public pricing at the time of writing and can change. How we evaluate →
All 23 voip & business phone tools compared
| Tool | Entry price | Free plan? | Best for | Standout | Get it |
|---|---|---|---|---|---|
| 3CX review · pricing | from $320/mo | Free plan | it-teams and cost-at-scale | A PBX licensed by concurrent calls instead of per user, cheap at scale for IT teams. | — |
| 8x8 review · pricing | from $24/mo | No | enterprise and global-teams | Global UCaaS+CCaaS with unlimited calling to up to 48 countries and a 99.999% SLA. | Visit → |
| Aircall review · pricing | from $30/mo | No | sales-teams and crm-integration | A call-center phone purpose-built around deep CRM and helpdesk integrations. | Visit → |
| CloudTalk review · pricing | from $25/mo | No | international and support-teams | International call-center software with numbers across 160+ countries and smart routing. | Visit → |
| Dialpad review · pricing | from $15/mo | No | ai-features and sales-teams | Built-in AI transcription, summaries and sentiment analysis on every tier. | — |
| Five9 review · pricing | from $119/mo | No | enterprise and large-contact-centers | A mature enterprise CCaaS built for large contact centers, with bundled AI minutes. | — |
| Google Voice review · pricing | from $10/mo | No | google-workspace and budget | The simplest business phone for teams already living in Google Workspace. | — |
| GoTo Connect review · pricing | from $26/mo | No | small-business and ease-of-setup | A visual dial plan editor plus unlimited calling to 50+ countries on every plan. | Visit → |
| Grasshopper review · pricing | from $14/mo | No | solopreneurs and small-business | Flat account pricing with no per-user fees and unlimited users. | Visit → |
| JustCall review · pricing | from $39/mo | No | sales-teams and crm-integration | A sales-focused dialer and SMS platform with deep CRM integration and unlimited transcription. | Visit → |
| KrispCall review · pricing | See pricing | No | startups and international | Affordable cloud telephony with virtual numbers in 100+ countries. | Visit → |
| Line2 review · pricing | from $9.99/mo | No | solopreneurs and second-line | A minimalist second-line app that puts a business number on your existing phone. | — |
| MightyCall review · pricing | from $15/mo | No | small-business and budget | A budget virtual phone with multi-level IVR and API even on the base plan. | Visit → |
| net2phone review · pricing | from $19.99/mo | No | international and small-business | Cloud phone with strong Americas/international reach and AI analytics on Professional. | — |
| Nextiva review · pricing | from $20/mo | No | small-business and all-in-one | Reliability-focused all-in-one with a 99.999% uptime SLA and US-based support. | Visit → |
| Ooma Office review · pricing | from $19.95/mo | No | small-business and budget | Easy, low-cost small-business VoIP with a virtual receptionist on every plan. | — |
| OpenPhone (Quo) review · pricing | from $15/mo | No | startups and small-business | A clean, startup-friendly business phone with shared numbers and a built-in AI agent (Sona). | Visit → |
| Phone.com review · pricing | from $22.5/mo | No | small-business and budget | Budget VoIP packing 50+ voice features and unlimited minutes for small teams. | — |
| RingCentral review · pricing | from $20/mo | No | enterprise and integrations | The most integration-rich, enterprise-reliable UCaaS platform in the market. | Visit → |
| Ringover review · pricing | from $21/mo | No | europe and sales-teams | European cloud phone with unlimited calling to 110+ destinations. | — |
| Talkdesk review · pricing | from $85/mo | No | enterprise and contact-center | Enterprise CCaaS with industry-specific clouds and a deep AI automation stack. | — |
| Vonage review · pricing | from $19.99/mo | No | developers and small-business | UCaaS paired with one of the strongest programmable communications API platforms. | Visit → |
| Zoom Phone review · pricing | from $10/mo | No | zoom-users and video-first-teams | A phone system that lives natively inside the Zoom Workplace app teams already use. | — |
Prices verified 2026-06-28 from public vendor pricing. Plans and prices change — always confirm on the vendor's own site. No price here is guaranteed.
Key takeaways
- 1 of 23 offer a real free plan — 3CX let you start at $0, while 0 more offer a trial only.
- Entry prices span $9.99–$320/mo — from Line2 at the low end to 3CX at the top of the entry tiers.
- Cheapest paid entry: Line2 from $9.99/mo (no standing free plan).
- Most documented feature set: Aircall — it lists the most features and integrations in our notes, which usually also means the steepest learning curve.
FAQ
How many voip & business phone tools does this comparison cover?
All 23 voip & business phone tools we track in the VoIP & Business Phone category are in the table above, compared on the same four points: entry price, free plan, best-for and standout. It's a full reference chart, not a curated shortlist.
Which voip & business phone tool is the cheapest?
By verified entry price, Line2 is the cheapest paid option at $9.99/mo. Several tools above offer a free plan if $0 matters more than features.
Which of these voip & business phone tools have a free plan?
3CX offers a genuine free plan you can keep using at $0. The free-plan column above marks each one, and separates them from tools that only run a trial.
How is this different from your best-of guides?
This page lists every tool in the niche side by side so you can scan the whole market. Our best-of guides instead pick the five to eight voip & business phone tools we'd actually recommend for a specific job, with a full write-up on each.
Sources
The standout lines, audiences and free-plan facts in the table above are drawn from these vendor pages and independent reviews:
- 3cx.com
- 3cx.com
- sinologic.net
- business.com
- cloudtalk.io
- softwareadvice.com
- aircall.io
- cloudtalk.io
- justcall.io
- cloudtalk.io
- krispcall.com
- eesel.ai
- dialpad.com
- cloudtalk.io
- krispcall.com
- five9.com
- cloudtalk.io
- quo.com
- workspace.google.com
- cloudtalk.io
- quo.com
- goto.com
- getvoip.com
- cloudtalk.io
- grasshopper.com
- grasshopper.com
- cloudtalk.io
- justcall.io
- getvoip.com
- cloudtalk.io
- krispcall.com
- costbench.com
- capterra.com
- cloudtalk.io
- research.com
- iplum.com
- cloudtalk.io
- krispcall.com
- quo.com
- net2phone.com
- cloudtalk.io
- emitrr.com
- nextiva.com
- getvoip.com
- cloudtalk.io
- business.com
- getvoip.com
- cloudtalk.io
- quo.com
- quo.com
- cloudtalk.io
- phone.com
- emitrr.com
- business.org
- ringcentral.com
- tech.co
- cloudtalk.io
- ringover.com
- cloudtalk.io
- krispcall.com
- getvoip.com
- nextiva.com
- cloudtalk.io
- vonage.com
- business.com
- cloudtalk.io
- zoom.us
- cloudtalk.io
- nextiva.com