# Who calling? vs PetBite

The clearest difference is in-app purchases: Who calling? at none against PetBite's 1. Who calling? also leads on iOS requirement (15.0 vs 17.0). PetBite's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. PetBite sells 1 one-off in-app purchase. Who calling? asks for nothing beyond the download.

Who calling? ships an update every 4 days, PetBite every 6 days. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Who calling? | PetBite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 6 days |
| Size | 18 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Siddhant Mukund Helingale](https://appshunter.io/developer/6802946495) | [Huahuijian (tianjin) Technology Co., Ltd.](https://appshunter.io/developer/6802961507) |

## What reviewers say

### Who calling?

[App page](https://appshunter.io/ios/app/who-calling/id6799842899)

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

**In-app purchases:** none


### PetBite

[App page](https://appshunter.io/ios/app/petbite/id6816883556)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 爪爪饭堂高级版 | $2.99 | one-time |


## Frequently asked questions

### Is Who calling? free?

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

### Is PetBite free?

PetBite is free to download, with in-app purchases available.

### Do Who calling? or PetBite have ads?

Who calling? shows ads; PetBite does not.

### Which is updated more often, Who calling? or PetBite?

Who calling? ships an update every 4 days, and PetBite every 6 days. Most recently, Who calling? was updated on October 10, 2026 and PetBite on October 9, 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.*