# 小龟保 vs Robin

The clearest difference is in-app purchases: 小龟保 at none against Robin's 1. 小龟保 also leads on iOS requirement (12.0 vs 17.0). Robin's advantage is update cadence (weekly vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Robin sells 1 one-off in-app purchase. 小龟保 asks for nothing beyond the download.

小龟保 ships an update fortnightly, Robin weekly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 小龟保 | Robin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 54 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai Xiaowu Internet Technology Co., Ltd](https://appshunter.io/developer/1573892038) | [博 邢](https://appshunter.io/developer/6775003374) |

## What reviewers say

### 小龟保

[App page](https://appshunter.io/ios/app/id1574817101)

**Features:** macOS Compatibility

**In-app purchases:** none


### Robin

[App page](https://appshunter.io/ios/app/robin-remote-packet-capture/id6775013428)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Robin Pro | $4.99 | one-time |


## Frequently asked questions

### Is 小龟保 free?

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

### Is Robin free?

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

### Do 小龟保 or Robin have ads?

Neither 小龟保 nor Robin shows ads.

### Which is updated more often, 小龟保 or Robin?

小龟保 ships an update fortnightly, and Robin weekly. Most recently, 小龟保 was updated on October 14, 2026 and Robin on October 24, 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.*