# 91扫描宝 vs Annual Ring

91扫描宝 and Annual Ring are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

91扫描宝 ships an update every 5 weeks, Annual Ring every 3 weeks. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 91扫描宝 | Annual Ring |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 59 MB | 25 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [北京译图智讯科技有限公司](https://appshunter.io/developer/1143789691) | [颖昭 范](https://appshunter.io/developer/1476704080) |

## What reviewers say

### 91扫描宝

[App page](https://appshunter.io/ios/app/91/id1192182903)

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

**In-app purchases:** none


### Annual Ring

[App page](https://appshunter.io/ios/app/annual-ring/id1605609710)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 91扫描宝 free?

91扫描宝 is free to download, with no in-app purchases.

### Is Annual Ring free?

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

### Do 91扫描宝 or Annual Ring have ads?

Neither 91扫描宝 nor Annual Ring shows ads.

### Which is updated more often, 91扫描宝 or Annual Ring?

91扫描宝 ships an update every 5 weeks, and Annual Ring every 3 weeks. Most recently, 91扫描宝 was updated on October 7, 2026 and Annual Ring on October 3, 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.*