# 学农度量器 vs 蝉书有米

The clearest difference is ads: 学农度量器 at none against 蝉书有米's shown. 学农度量器 also leads on update cadence (daily vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

学农度量器 ships an update daily, 蝉书有米 fortnightly. Both last shipped on October 30, 2026.

## The numbers

| Metric | 学农度量器 | 蝉书有米 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Fortnightly |
| Size | 63 MB | 196 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guilin Youliang Network Technology Co., LTD](https://appshunter.io/developer/1803806599) | [珠海方诺信息科技有限公司](https://appshunter.io/developer/1143398981) |

## What reviewers say

### 学农度量器

[App page](https://appshunter.io/ios/app/id6743933112)

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

**In-app purchases:** none


### 蝉书有米

[App page](https://appshunter.io/ios/app/id6747652255)

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

**In-app purchases:** none


## Frequently asked questions

### Is 学农度量器 free?

学农度量器 is free to download, with no in-app purchases.

### Is 蝉书有米 free?

蝉书有米 is free to download, with no in-app purchases.

### Do 学农度量器 or 蝉书有米 have ads?

蝉书有米 shows ads; 学农度量器 does not.

### Which is updated more often, 学农度量器 or 蝉书有米?

学农度量器 ships an update daily, and 蝉书有米 fortnightly. Most recently, 学农度量器 was updated on October 30, 2026 and 蝉书有米 on October 30, 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.*