Identify incoming calls, block unwanted spam calls, robocalls and number lookup
About tellows - Caller ID & Block
tellows - Caller ID & Block is a communication app developed by tellows.
Download Statistics
tellows - Caller ID & Block has been downloaded 2.1 million times. In the last 30 days, the app was downloaded 9.3 thousand times. It is ranked in the top 100 communication apps.
User Ratings
tellows - Caller ID & Block is rated 3.96 out of 5 stars. The rating is based on 25 thousand ratings.
App Information
tellows - Caller ID & Block is FREE to download. The APK download size is 7.69 MB. The latest version available is 2.8.8. The last update was on January 28, 2026.
Technical Requirements
tellows - Caller ID & Block requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play May 2014.
Description
With the tellows app, you can identify unknown calls and get helpful information about spam, advertising and scam calls. tellows is based on a large community where users rate phone numbers and share their experiences. This helps you better assess incoming calls before answering.
The ratings and comments come from other users and are continuously updated. You can look up unknown numbers, check the tellows score and add your own ratings to support other users.
How tellows works
📞 Caller identification When your phone rings, tellows shows a risk assessment for the incoming call. The tellows score (from 1 – trustworthy to 9 – not trustworthy) helps you identify unwanted or potentially risky calls.
🔎 Look up unknown numbers Search phone numbers and view ratings, comments and general information about the origin of the number, such as the country or network.
💬 Rate and comment on numbers Rate phone numbers and share your experience with the tellows community. This helps improve the database and supports other users in assessing calls.
🚫 Call blocking and personal blacklist In the free version, you can manually block calls using a local blacklist. In the Premium version, community-based ratings can additionally be used for automatic blocking. The local blocklist also works without an internet connection.
Features at a glance
📞 Caller identification with tellows score 🔎 Reverse phone number lookup ⭐ Community-based risk assessment 🌍 Information about number origin
Premium features (in-app purchase)
🚫 No ads 🔄 Automatic blocking of risky numbers 📴 Offline caller identification 📋 Personal blacklist with all numbers you have rated negatively
More information and support can be found on our website: https://www.tellows.com
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Comments on tellows - Caller ID & Block for Android
★★★★☆Michael R· Jul 22, 2024
Quick & Easy to use. Lacks caller ID as more & more places are using mobile numbers to harass people nowadays.
★★★★★Mike Noll· Jul 23, 2025
When a client uses another service that you have like CLARITY CHECK PLEASE ADVISE THAT THERE'S A COST INVOLVED. I checked up on my wifes number just to see what the outcome would be & was requested to pay. I am not interested, so there will not be any payment. Just downloaded to my phone. Have used the App b4 but didn't know that it could be used as a phone. Getting to find out who is on the other side is great. I can definitely recommend this App.
★★★★★Keren Buttrum· Oct 6, 2024
Should come pre-installed on every phone. It helps you "dodge" the nuisance calls, saving you time.
★★★★★David “Nitro Superdave The Viper” Lee· Jun 15, 2026
Very happy user. Downloaded this app and I have seen NO ads, and it blocked scammers on contact. Hardship loan scams, Medicare Scams, social security scams, everything. And I tried the free trial for the yearly version. Awesome! Way better than eyecon!
★★☆☆☆Ruby Slippers· Dec 13, 2022
It might sort of half work It was fine at first, now the call log rarely shows blocked calls. I'm not even sure this app is doing the blocking and not my phone settings. Not impressed.
★☆☆☆☆Ron Bo· Feb 19, 2026
Not consistent. Wrote a review about a number which really is a ping call and Tellows app would not update the record and shows "There are no ratings on the numbers yet". What the heck is going on here?
★☆☆☆☆ron bo· May 30, 2026
Used to work, but since May 27, the app would not let me save my rating the number that called. I have this on two phones I use and both of them have the same issue.
Google Play Rankings for tellows - Caller ID & Block
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