FREEDOM251

Freedom251 › Compare

Side by side

CallHippo vs Sonetel

Both stand on virtual phone number services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

CallHippo

Free plan AndroidExtensioniPhone+3

Choose CallHippo for a business phone system with multiple numbers, routing, voicemail transcription and CRM connections. Starter is aimed at small businesses, while Professional and Ultimate add higher-tier calling and operational features. Look elsewhere if your calling needs fall outside the stated US and Canada limits or you need to keep using the service beyond Basic’s six-month free period without upgrading.

Visit CallHippo

Sonetel

Free plan AndroidAPIiPhone+4

Sonetel combines virtual numbers with routing, voicemail, and AI call summaries, while offering a free Basic plan and paid options. Check country availability and the SMS and calling limits against your needs.

Visit Sonetel

The facts

CallHippoSonetel
Free planYesYes
Open sourceNot publishedNot published
Runs onAndroid, Extension, iPhone, Mac, Web, WindowsAndroid, API, iPhone, Linux, Mac, Web, Windows
Lowest paid planStarter: $18 per user a monthPremium: $9.95 a month
Plans published63
MakerNot publishedSonetel
Websitecallhippo.comsonetel.com
On virtual phone number services#1 of 24#2 of 24

CallHippo: what it does well

  • Works across Android, iOS, macOS, Windows, web and extension.
  • Includes an auto attendant, advanced call routing and voicemail transcription.
  • CRM integrations can sync contacts and log calls in both systems.
  • Starter includes 1,000 calling minutes in the US and Canada.
  • HIPAA Compliant setting can automatically erase data to limit retention.

What to know first

  • Basic is free only for the first six months after signup.
  • Starter includes 1,000 US/Canada calling minutes and 100 SMS.
  • Unlimited calling is limited to domestic US and Canada calls.
  • Unlimited calling excludes premium and toll-free numbers and may have fair-use limits.

Sonetel: what it does well

  • Free Basic plan includes voicemail and incoming app calls.
  • Numbers are available in 78 countries.
  • Paid plans include business caller ID.
  • AI summaries can draft follow-up emails.
  • Zapier can start calls from automated workflows.

What to know first

  • Two-way SMS is available in only 15 countries.
  • Trial numbers cannot send SMS.
  • Each user can make one concurrent outbound call within the free allowance.

Alternatives to CallHippo Alternatives to Sonetel The whole list