Truecaller is a caller identification app that shows details of unknown callers. It also provides spam blocking features.
Freemium model with in-app purchases
Best tellows Alternatives ranked by AI · updated Aug 2026
tellows is a community-driven reverse phone lookup and telephone number rating platform. Users can search numbers, read reports, and assess risk scores for telemarketing, fraud, and other unwanted calls.
Top 6 tellows alternatives
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Phone.Report
Phone.Report
Phone.Report is an online reverse phone lookup service for identifying phone numbers and investigating potential spam or scam calls. It provides publicly...
Pros
- Works in a web browser without installing an app
- Useful for quick reverse lookups of unfamiliar numbers
- Can surface user-reported spam and scam information
Cons
- Coverage and accuracy vary by country and phone number
- Less comprehensive caller ID automation than dedicated mobile apps
- May provide limited details for private or unlisted numbers
CallApp is a caller ID and call blocker app that identifies unknown calls and blocks spam calls.
Free with in-app purchases
YouMail is a visual voicemail and robocall blocking service that helps in managing phone messages effectively.
Free with premium options
ThisNumber is an online phone number lookup service for identifying unfamiliar callers and researching telephone numbers. It provides number-related details such as...
Pros
- Free access for basic phone number research
- Provides area-code, carrier, and phone-type information
- Works in a web browser without installing an app
Cons
- Caller identity coverage is less comprehensive than Truecaller or Whitepages
- Results can be limited for mobile and unlisted numbers
- Lacks the community spam-reporting ecosystem of dedicated caller-ID apps
Hiya is a caller ID and spam blocking app that provides protection against unwanted and nuisance calls.
Free with in-app purchases
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