# 度量衡 vs Unitap

度量衡 and Unitap are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | 度量衡 | Unitap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 days | — |
| Size | 14 MB | 8 MB |
| Requires iOS | **16** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [燕梅 高](https://appshunter.io/developer/1860144880) | [Daisuke Minami](https://appshunter.io/developer/1762826742) |

## What reviewers say

### 度量衡

[App page](https://appshunter.io/ios/app/id6756406184)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unitap

[App page](https://appshunter.io/ios/app/unitap-unit-converter/id6794749396)

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

**In-app purchases:** none


## Frequently asked questions

### Is 度量衡 free?

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

### Is Unitap free?

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

### Do 度量衡 or Unitap have ads?

Both 度量衡 and Unitap show ads.

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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.*