# Who is Calling vs atbil.com.tr

The clearest difference is update cadence: atbil.com.tr at every 5 days against Who is Calling's every 3 months. atbil.com.tr also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Who is Calling ships an update every 3 months, atbil.com.tr every 5 days. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Who is Calling | atbil.com.tr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 25 MB | 27 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Aydin UNAL](https://appshunter.io/developer/1298750211) | [Ali Kayta Catalkaya](https://appshunter.io/developer/6789317033) |

## What reviewers say

### Who is Calling

[App page](https://appshunter.io/ios/app/who-is-calling-learn-caller/id6443437401)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### atbil.com.tr

[App page](https://appshunter.io/ios/app/atbilcomtr/id6789317031)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Who is Calling free?

Who is Calling is free to download, with no in-app purchases.

### Is atbil.com.tr free?

atbil.com.tr is free to download, with no in-app purchases.

### Do Who is Calling or atbil.com.tr have ads?

Neither Who is Calling nor atbil.com.tr shows ads.

### Which is updated more often, Who is Calling or atbil.com.tr?

Who is Calling ships an update every 3 months, and atbil.com.tr every 5 days. Most recently, Who is Calling was updated on October 9, 2026 and atbil.com.tr on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*