Best VoIP Software
Cloud phone systems and business VoIP for calls, texts, and team telephony.
Read our ranked guide: Best VoIP & Business Phone Services →We compare 5 voip tools. Nextiva is our top pick at 4.5/5 (from $18/mo). Entry pricing runs $14–$20/mo, averaging $17/mo. 3 have a public API.
Ooma Office is an easy, low-cost business phone system aimed at small businesses, with a quick setup and the essential features most small teams need.
RingCentral is a market-leading business phone system (RingEX) combining voice, SMS, video, and team messaging with deep integrations and reliability for larger teams.
Grasshopper adds a professional business number and call handling on top of your existing phone — ideal for solopreneurs and very small teams who don't need a full PBX.
All voip tools compared
| # | Tool | Starts at | Rating | Best for |
|---|---|---|---|---|
| 1 | Nextiva Reliable business VoIP with great support | $18/mo | 4.5/5 | SMBs |
| 2 | Dialpad AI-powered business phone | $15/mo | 4.4/5 | Modern SMB teams |
| 3 | Ooma Office Simple, affordable VoIP for small business | $20/mo | 4.4/5 | Small businesses |
| 4 | RingCentral Enterprise cloud phone & contact center | $20/mo | 4.3/5 | SMB to enterprise |
| 5 | Grasshopper Virtual phone numbers for solopreneurs | $14/mo | 4.3/5 | Solopreneurs & micro-teams |
How to choose voip tools
Best rated → Nextiva
4.5/5 across 6,100 reviews. Great support.
Cheapest → Grasshopper ($14/mo)
The lowest entry price in this category.
Need an API → Nextiva
3 of 5 here expose a public API for integrations and automation.
- Check whether pricing is per seat — it multiplies with team size.
- Headline prices usually assume annual billing; monthly costs more.
- Start on a free tier or trial before committing to a year.
- Confirm the integrations you already rely on are supported.
Popular comparisons in this category
Frequently asked questions
What is the best voip tool option?+
Nextiva is our top-rated pick, scoring 4.5/5 and starting at $18/mo. Great support The best choice still depends on budget and team size — see the ranked list above.
How many voip tools are compared here?+
We currently compare 5 voip tools on pricing, features, and ratings, averaging 4.4/5.
How much do voip tools cost?+
Entry pricing here runs from $14/mo to $20/mo, averaging $17/mo. The cheapest paid option is Grasshopper at $14/mo.