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KeepCalling vs Viber

Professional comparison and analysis to help you choose the right software solution for your needs.

KeepCalling icon
KeepCalling
Viber icon
Viber

KeepCalling vs Viber: The Verdict

⚡ Summary:

KeepCalling: KeepCalling is a VoIP phone service provider that offers unlimited calling to the US, Canada, Mexico, China, India and other countries. It provides virtual phone numbers and works on desktop and mobile devices.

Viber: Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature KeepCalling Viber
Sugggest Score — —
Category Online Services Social & Communications

Product Overview

KeepCalling
KeepCalling

Description: KeepCalling is a VoIP phone service provider that offers unlimited calling to the US, Canada, Mexico, China, India and other countries. It provides virtual phone numbers and works on desktop and mobile devices.

Type: software

Viber
Viber

Description: Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.

Type: software

Key Features Comparison

KeepCalling
KeepCalling Features
  • Unlimited calling to the US, Canada, Mexico, China, India, and other countries
  • Virtual phone numbers
  • Works on desktop and mobile devices
  • Affordable international calling rates
  • Call recording and voicemail features
  • Caller ID and call forwarding
Viber
Viber Features
  • Free calls
  • Free messages
  • Group chats
  • Stickers
  • Photo and video sharing
  • Voice messages
  • Location sharing

Pros & Cons Analysis

KeepCalling
KeepCalling
Pros
  • Unlimited calling to many countries
  • Flexible virtual phone numbers
  • Cross-platform availability
  • Competitive pricing
Cons
  • Limited customer support options
  • Potential quality issues with VoIP calls
  • Limited features compared to some competitors
Viber
Viber
Pros
  • Free calls and messages
  • Works across platforms
  • Good call quality
  • Fun stickers and emojis
  • Group chats
Cons
  • Contacts need to be using Viber too
  • Some features are paid only
  • No cloud sync between devices
  • Limited customization options

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Learn More About Each Product

KeepCalling
KeepCalling
Reviews, pricing & alternatives →
Viber
Viber
Reviews, pricing & alternatives →

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