# 尺子测量 vs UVATA产品查询系统

The clearest difference is in-app purchases: UVATA产品查询系统 at none against 尺子测量's 3. 尺子测量's advantage is iOS requirement (12.0 vs 17.0). On price there is nothing between them.

Both are free to download. 尺子测量 sells 3 in-app purchases, starting at $2.99 per month. UVATA产品查询系统 asks for nothing beyond the download.

## The numbers

| Metric | 尺子测量 | UVATA产品查询系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 24 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Amritaayur Health Management Service Co.,Ltd.](https://appshunter.io/developer/1689205204) | [中山市依瓦塔光学有限公司](https://appshunter.io/developer/1801021586) |

## What reviewers say

### 尺子测量

[App page](https://appshunter.io/ios/app/id6526468871)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $2.99 | per month |
| 年会员 | $9.99 | per year |
| 永久会员 | $14.99 | one-time |


### UVATA产品查询系统

[App page](https://appshunter.io/ios/app/uvata/id6743049098)

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

**In-app purchases:** none


## Frequently asked questions

### Is 尺子测量 free?

尺子测量 is free to download, with in-app purchases available.

### Is UVATA产品查询系统 free?

UVATA产品查询系统 is free to download, with no in-app purchases.

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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.*