# 簡易計算機 vs Unit Converter

The clearest difference is in-app purchases: 簡易計算機 at none against Unit Converter's 1. 簡易計算機 also leads on iOS requirement (8.0 vs 12.0). Unit Converter's advantage is update cadence (every 2 weeks vs every 45 months). On price, ads and device support there is nothing between them.

Both are free to download. Unit Converter sells 1 one-off in-app purchase. 簡易計算機 asks for nothing beyond the download.

簡易計算機 ships an update every 45 months, Unit Converter every 2 weeks. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 簡易計算機 | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 2 weeks** |
| Size | 4 MB | 29 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [振伟 张](https://appshunter.io/developer/369084217) | [伟鹏 李](https://appshunter.io/developer/1817642925) |

## What reviewers say

### 簡易計算機

[App page](https://appshunter.io/ios/app/id498928808)

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

**In-app purchases:** none


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-easyunit/id6754090225)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Membership | $0.99 | one-time |


## Frequently asked questions

### Is 簡易計算機 free?

簡易計算機 is free to download, with no in-app purchases.

### Is Unit Converter free?

Unit Converter is free to download, with in-app purchases available.

### Do 簡易計算機 or Unit Converter have ads?

Neither 簡易計算機 nor Unit Converter shows ads.

### Which is updated more often, 簡易計算機 or Unit Converter?

簡易計算機 ships an update every 45 months, and Unit Converter every 2 weeks. Most recently, 簡易計算機 was updated on October 21, 2026 and Unit Converter on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*