# 101 KR vs Petopia

The clearest difference is in-app purchases: 101 KR at none against Petopia's 2. 101 KR also leads on iOS requirement (11.0 vs 18.5). Petopia's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Petopia sells 2 in-app purchases, starting at $0.99 per month. 101 KR asks for nothing beyond the download.

101 KR ships an update every 2 months, Petopia every 4 days. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 101 KR | Petopia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 90 MB | 24 MB |
| Requires iOS | **11.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CardApp Limited](https://appshunter.io/developer/539151439) | [慧卿 李](https://appshunter.io/developer/1871048937) |

## What reviewers say

### 101 KR

[App page](https://appshunter.io/ios/app/101-kr/id6749660836)

**In-app purchases:** none


### Petopia

[App page](https://appshunter.io/ios/app/petopia/id6758300953)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 基础月付会员 | $0.99 | per month |
| 基础年付会员 | $7.99 | per year |


## Frequently asked questions

### Is 101 KR free?

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

### Is Petopia free?

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

### Do 101 KR or Petopia have ads?

Neither 101 KR nor Petopia shows ads.

### Which is updated more often, 101 KR or Petopia?

101 KR ships an update every 2 months, and Petopia every 4 days. Most recently, 101 KR was updated on September 24, 2026 and Petopia on September 18, 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.*