Comparison

Call Blocker vs Who's calling?

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Call Blocker

Block unwanted calls, identify suspicious numbers, and report spam. Access a large community database to avoid phone scams and extra charges. Protect yourself from telemarketers and unknown callers.

Highlights
  • Block any phone number
  • Identify commercial calls
  • Report suspicious numbers
  • Avoid common scams
  • Access community database
  • Automatic dangerous number blocking
Features
Read full description

Block, identify and report suspicious phone numbers. Unknownphone.com brings you the most complete app to avoid phone scams, unwanted calls and extra charges in your bill. With more than 10,000,000 telephone numbers registered and identified in our website and a community with millions of users in the United States and around the world. BLOCK PHONE NUMBERS - Do you want to know who is calling you? Are you annoyed by unwanted calls? With our app you will be able to block any phone number you want. (Activate in your iPhone the call block functionality in Settings -> Phone -> Call Blocking & Identification -> Call Blocker) REPORT SUSPICIOUS PHONE NUMBERS Search any phone number and check if it has been previously reported. Share your experience and warn our community. IDENTIFY COMMERCIAL CALLS Are you receiving calls and have no idea who is calling you? Do they refuse to identify themselves? Check the phone number with our application and find out who calls you. Verify the phone owner and block their calls. AVOID THE MOST COMMON SCAMS - Get the latest and most updated information on telephone scams in the United States. Block suspicious phone numbers before they call you. OUR COMMUNITY Unknownphone.com is the largest community on phone search and the biggest phone spam directory in the United States. With more than 10,000,000 identified phone numbers in more than 30 countries. Call Blocker is Unknownphone.com’s official phone block app and you will be able to access all of our services from your iPhone. Optional subscription to our service - Unlimited credits. Get information for all numbers you want. - Automatic detection and block of up to 200,000 dangerous phone numbers in your country. - Access without limitations all our records for any phone number. - No ads. - Auto-renewing subscription ($7.99 monthly / $14.99 3 months - price varies by country) Call Blocker respects your right to privacy. Your contacts will never be public. Privacy policy: unknownphone.com/privacy-policy Terms of use: unknownphone.com/terms-of-service Payment for auto-renewing subscription to Call Blocker will be charged to your iTunes account upon confirmation of purchase. Subscription can be managed and auto-renewal can be turned off by going to the Account Settings on your device. To avoid renewal, you must cancel at least 24 hours before your subscription ends. Your account will be charged for renewal within 24-hours prior to the end of the current period.

About

Who's calling?

Identify unwanted calls and block spam numbers. This app helps you screen incoming calls, maintain a list of blocked numbers, and check numbers against a database to avoid scams.

Highlights
  • Identify spam and scam numbers
  • Block unwanted incoming calls
  • Block categories of numbers
  • Create custom spam number lists
  • Check numbers in app database
Features
Read full description

Who’s calling

Is the app which helps you to: - identify spam and scam numbers - block unwanted incoming calls or categories of numbers - create a list of spam numbers and block them or identify - check the number in the app database License agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Call Blocker4 screens
Who's calling?3 screens

Verdict

The call

The clearest difference is review sentiment: Call Blocker at 78% against Who's calling?'s 20%. Call Blocker also leads on rating (4.5 vs 4.1) and update cadence (monthly vs every 4 months). Who's calling?'s advantage is ads (none vs shown) and iOS requirement (13.4 vs 15.6). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Call Blocker sells 10 in-app purchases, starting at $4.99 per month and Who's calling? sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Call Blocker holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Call Blocker has 1.2K ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 78% of Call Blocker's written reviews are positive against 20% of Who's calling?'s.

UpkeepUpdate frequency

Call Blocker ships an update monthly, Who's calling? every 4 months. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard6 real differences · 4 level
Call Blocker versus Who's calling?: the parameters behind the verdict, then further details
ParameterCall BlockerWho's calling?
PriceFreeFree
Rating4.5 (1.2K ratings) — better4.1 (39 ratings)
Positive reviews78.2% of reviews — better20.0% of reviews
Number of ratings1.2K — better39
Update frequencyMonthly — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.613.4 — better
Further details — not scored
Size57 MB45 MB
Age rating9+4+
DeveloperUnknownPhone.comVasilii Shaidullin

Customer experience

Call Blocker

All ratings1,225 ratings
Positive88.2%
Neutral4.9%
Negative6.9%
Written reviews987 reviews
Positive78.2%
Neutral4.7%
Negative17.1%

Who's calling?

All ratings39 ratings
Positive74.4%
Neutral10.3%
Negative15.4%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

Bugs and requests

Call Blocker

Reported bugs

2 issues
  • Database update errors
  • Inability to block certain numbers

Requested features

3 requests
  • Automatic database updates
  • Block calls from unknown/private numbers
  • Integration with phone's native call blocking

Who's calling?

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Call Blocker

Subscriptions10
  • Call Blocker 1-Month Shield$4.991 Month
  • One month subscription$6.991 Month
  • Call Blocker: 3M Shield$9.993 Months
Show 7 more
  • Free 1 week trial + 3 months7 Days trial$9.993 Months
  • 50% Discount - Three months3 Months trial$9.993 Months
  • Three months subscription$14.993 Months
  • Free 1 week trial + 3 months7 Days trial$14.993 Months
  • Call Blocker: 1 Year$22.991 Year
  • Call Blocker: 1 Year - 1 Free Week7 Days trial$22.991 Year
  • Call Blocker: 1 Year (50% Discount)1 Year trial$22.991 Year
2 purchases

Who's calling?

Subscriptions2
  • Monthly7 Days trial$1.991 Month
  • Yearly7 Days trial$14.991 Year

Questions

Is Call Blocker free?
Call Blocker is free to download, with in-app purchases available.
Is Who's calling? free?
Who's calling? is free to download, with in-app purchases available.
Which has better reviews, Call Blocker or Who's calling??
Call Blocker is rated higher. Call Blocker averages 4.5 out of 5 from 1.2K ratings, while Who's calling? averages 4.1 from 39 ratings.
Do Call Blocker or Who's calling? have ads?
Call Blocker shows ads; Who's calling? does not.
Which is updated more often, Call Blocker or Who's calling??
Call Blocker ships an update monthly, and Who's calling? every 4 months. Most recently, Call Blocker was updated on October 16, 2026 and Who's calling? on October 6, 2026.

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