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Head-to-head · Dialer Apps for Android

CallApp vs ACR Phone

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score CallApp #3 in Dialer Apps for Android 8.6/10 Free plan Free plan✓ 2 of 6 features Visit CallApp
ACR Phone #4 in Dialer Apps for Android 7.9/10 Free plan Free plan✓ 5 of 6 features Visit ACR Phone

CallApp leads on 0 checks, ACR Phone on 0, and 7 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCallApp · 8.6/10
  • Free planboth
  • Most featuresACR Phone · 5 of 6

CallApp scores higher on our rubric for dialer apps for android: 8.6 against 7.9 out of 10; our editors rank them #3 and #4.

CallApp is the better fit for people who want caller ID, spam blocking, and recording. ACR Phone is the better fit for android users wanting SIP calling and dialer customization.

  • CallApp fits best

    People who want caller ID, spam blocking, and recording

  • ACR Phone fits best

    Android users wanting SIP calling and dialer customization

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature CallApp 8.6/10 Visit ↗ ACR Phone 7.9/10 Visit ↗
At a glance
Editor score 8.6 7.9
Ranking #3 in Dialer Apps for Android #4 in Dialer Apps for Android
Best for People who want caller ID, spam blocking, and recording Android users wanting SIP calling and dialer customization
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Mobile
Platforms iOS, Android Android
Support Email, Tickets, Docs Email
Built for Solo, Small business Solo, Small business
Features CallApp 2/6 · ACR Phone 5/6
Caller ID ✓ ✓
Spam call blocking Not checked yet ✓ (best)
Call screening ✓ (best) Not checked yet
Dual-SIM support Not checked yet ✓ (best)
Interface customization Not checked yet ✓ (best)
Voicemail management Not checked yet ✓ (best)
Our review
Pros
  • Identifies unknown callers and blocks spam and robocalls
  • Adds number search and SMS spam detection
  • Includes automatic call recording and missed-call reminders
  • Combines dual-SIM dialing, SIP calls and offline spam blocking
  • Backs up or exports call logs, contacts and blocklists to multiple services
  • Adds call notes, reminders and custom contact call screens
Cons
  • The free version includes advertising
  • Premium is described as ad-free, with no other tier benefits specified
  • Contact enrichment and recording may be more than a basic dialer needs
  • Call recording depends on device support and helper software
  • Visual voicemail requires carrier support
  • Premium options and their prices are shown in-app
Our verdict

CallApp is a mobile dialer for Android and iPhone that combines caller ID, spam protection, and call management. It is aimed at people who want to identify unknown callers, block unwanted numbers, and manage calls and messages from one…

Read the review →

ACR Phone replaces the default Android dialer with call and contact management, spam blocking, dual-SIM dialing and an integrated SIP client for internet calls. It is aimed at Android users who want more control over their calling setup,…

Read the review →
  1. CallAppDialer Apps for Android 8.6Free plan
  2. ACR PhoneDialer Apps for Android 7.9Free plan

Strengths and trade-offs

  • CallApp — where it wins

    • Identifies unknown callers and blocks spam and robocalls
    • Adds number search and SMS spam detection
    • Includes automatic call recording and missed-call reminders

    Where it doesn't

    • The free version includes advertising
    • Premium is described as ad-free, with no other tier benefits specified
    • Contact enrichment and recording may be more than a basic dialer needs
  • ACR Phone — where it wins

    • Combines dual-SIM dialing, SIP calls and offline spam blocking
    • Backs up or exports call logs, contacts and blocklists to multiple services
    • Adds call notes, reminders and custom contact call screens

    Where it doesn't

    • Call recording depends on device support and helper software
    • Visual voicemail requires carrier support
    • Premium options and their prices are shown in-app

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update