# 中国度量衡units vs Ring Sizer

The clearest difference is in-app purchases: 中国度量衡units at none against Ring Sizer's 15. 中国度量衡units also leads on iOS requirement (14.5 vs 17.0). Ring Sizer's advantage is device support. On price there is nothing between them.

Both are free to download. Ring Sizer sells 13 in-app purchases, starting at $4.99 per 7 days. 中国度量衡units asks for nothing beyond the download.

## The numbers

| Metric | 中国度量衡units | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (36 ratings)](https://appshunter.io/ios/app/ring-sizer-risi/id6736565382/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 88.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 20 MB |
| Requires iOS | **14.5** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Leung Chik Ho](https://appshunter.io/developer/1597616134) | [Axel Le Pennec](https://appshunter.io/developer/671697425) |

## What reviewers say

### 中国度量衡units

[App page](https://appshunter.io/ios/app/units-converter/id1597616132)

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-risi/id6736565382)

Accurately measure ring and finger sizes from home, ensuring a perfect fit for any occasion. Convert sizes internationally and save measurements for future use. Ideal for online ring purchases, eliminating guesswork.

**Highlights:** Measure ring diameter/circumference, Measure finger width, International size conversions, Save measurements, Share measurements

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Weekly | $5.99 | per 7 days |
| Weekly | $6.99 | per 7 days |
| Weekly | $6.99 | per 7 days |
| Weekly | $7.99 | per 7 days |
| Yearly | $17.99 | per year |
| Yearly | $24.99 | per year |
| Lifetime | $2.99 | one-time |
| Lifetime | $4.99 | one-time |
| Lifetime | $6.99 | one-time |
| Lifetime | $19.99 | one-time |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is 中国度量衡units free?

中国度量衡units is free to download, with no in-app purchases.

### Is Ring Sizer free?

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

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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.*