# AboSIM vs 觅小书

The clearest difference is update cadence: 觅小书 at every 3 weeks against AboSIM's every 2 months. 觅小书 also leads on iOS requirement (13.0 vs 15.6). 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.

AboSIM ships an update every 2 months, 觅小书 every 3 weeks. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | AboSIM | 觅小书 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 27 MB | 51 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Universe Action Limited](https://appshunter.io/developer/1575701044) | [Chengdu Qiancheng Technology Co., Ltd.](https://appshunter.io/developer/1787849241) |

## What reviewers say

### AboSIM

[App page](https://appshunter.io/ios/app/abosim/id1575701042)

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

**In-app purchases:** none


### 觅小书

[App page](https://appshunter.io/ios/app/id6740073701)

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

**In-app purchases:** none


## Frequently asked questions

### Is AboSIM free?

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

### Is 觅小书 free?

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

### Do AboSIM or 觅小书 have ads?

Neither AboSIM nor 觅小书 shows ads.

### Which is updated more often, AboSIM or 觅小书?

AboSIM ships an update every 2 months, and 觅小书 every 3 weeks. Most recently, AboSIM was updated on October 25, 2026 and 觅小书 on October 19, 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.*