Head-to-head · Spam Call Blocking Apps
Kaspersky Who Calls vs CallApp
Kaspersky Who Calls leads on 0 checks, CallApp on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Free planboth
- Most featuresCallApp · 4 of 4
Kaspersky Who Calls and CallApp score identically on our rubric (6.9 out of 10) for spam call blocking apps; Kaspersky Who Calls sits at #6 and CallApp at #7 in our editorial ranking, so the choice comes down to fit.
CallApp offers call screening; Kaspersky Who Calls doesn't publish it.
Kaspersky Who Calls is the better fit for users wanting offline caller identification and spam. CallApp is the better fit for feature-rich free caller ID and spam blocking.
- Kaspersky Who Calls fits best
Users wanting offline caller identification and spam
- CallApp fits best
Feature-rich free caller ID and spam blocking
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Side by side
| Feature | Kaspersky Who Calls 6.9/10 Visit ↗ | CallApp 6.9/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 6.9 | 6.9 |
| Ranking | #6 in Spam Call Blocking Apps | #7 in Spam Call Blocking Apps |
| Best for | Users wanting offline caller identification and spam | Feature-rich free caller ID and spam blocking |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Mobile | Cloud, Mobile |
| Platforms | Android, iOS | iOS, Android |
| Support | Docs | Email, Tickets, Docs |
| Built for | Solo | Solo, Small business |
| Features Kaspersky Who Calls 3/4 · CallApp 4/4 | ||
| Robocall blocking | ✓ | ✓ |
| Caller ID | ✓ | ✓ |
| Call screening | Not published | ✓ (best) |
| Community reports | ✓ | ✓ |
| Specs | ||
| Supported platforms | Both | Both |
| Blocked-number limit | Not published | Not published |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Unknown calls are easier to assess with Kaspersky Who Calls, a mobile caller ID and spam-call detection app for Android and iOS. It shows caller identity, category and trust information, labels suspected spam, and can automatically block… Read the review → |
CallApp is a freemium mobile app for iOS and Android that identifies unknown callers, detects spam and robocalls, and blocks unwanted numbers. It is aimed at individual and small-business users who want caller identification and… Read the review → |
Strengths and trade-offs
Kaspersky Who Calls — where it wins
- Identifies unknown numbers with online and Premium offline databases
- Can block all spam calls or selected categories automatically
- Users can submit numbers to spam lists
Where it doesn't
- The free version includes ads and fewer caller details
- Offline caller information is limited to Premium
- Availability depends on region
CallApp — where it wins
- Free caller ID, spam protection, and robocall blocking
- Adds SMS detection, number search, recording, and reminders
- Available on both iOS and Android
Where it doesn't
- The free version includes advertising
- Its listed platforms are limited to iOS and Android
- Paid plans primarily add an ad-free experience
- Kaspersky Who Calls6.9/10 · Free plan
Caller ID, configurable spam blocking and Premium protections for Android and iOS.
Visit KasperskyFull verdict → - CallApp6.9/10 · Free plan
A feature-rich free caller ID app with blocking, lookup, SMS detection, and recording.
Visit CallAppFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update



