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Head-to-head · Spam Call Blocking Apps

Kaspersky Who Calls vs CallApp

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Kaspersky Who Calls #6 in Spam Call Blocking Apps 6.9/10 Free plan Free plan✓ 3 of 4 features Visit Kaspersky
CallApp #7 in Spam Call Blocking Apps 6.9/10 Free plan Free plan✓ 4 of 4 features Visit 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

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

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
  • 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
  • Free caller ID, spam protection, and robocall blocking
  • Adds SMS detection, number search, recording, and reminders
  • Available on both iOS and Android
Cons
  • The free version includes ads and fewer caller details
  • Offline caller information is limited to Premium
  • Availability depends on region
  • The free version includes advertising
  • Its listed platforms are limited to iOS and Android
  • Paid plans primarily add an ad-free experience
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 →
  1. Kaspersky Who CallsSpam Call Blocking Apps 6.9Free plan
  2. CallAppSpam Call Blocking Apps 6.9Free plan

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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update