# PET vs Petling

The clearest difference is update cadence: Petling at every 4 days against PET's monthly. PET's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

PET ships an update monthly, Petling every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | PET | Petling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 46 MB | 43 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [金芳 郭](https://appshunter.io/developer/1701870847) | [Bogdan-Radu Bucur](https://appshunter.io/developer/6782006456) |

## What reviewers say

### PET

[App page](https://appshunter.io/ios/app/pet-diary/id6743213111)

**In-app purchases:** none


### Petling

[App page](https://appshunter.io/ios/app/petling/id6782027302)

**In-app purchases:** none


## Frequently asked questions

### Is PET free?

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

### Is Petling free?

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

### Do PET or Petling have ads?

Neither PET nor Petling shows ads.

### Which is updated more often, PET or Petling?

PET ships an update monthly, and Petling every 4 days. Most recently, PET was updated on October 28, 2026 and Petling on October 28, 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.*