# 繁簡轉換器 vs Grade Tests | Corrigi

The clearest difference is in-app purchases: Grade Tests | Corrigi at none against 繁簡轉換器's 1. 繁簡轉換器's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 繁簡轉換器 sells 1 one-off in-app purchase. Grade Tests | Corrigi asks for nothing beyond the download.

繁簡轉換器 ships an update every 4 days, Grade Tests | Corrigi every 6 days. The most recent releases landed on September 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 繁簡轉換器 | Grade Tests | Corrigi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Size | 3 MB | 19 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FunOrange](https://appshunter.io/developer/874883356) | [Robotimize Ltda](https://appshunter.io/developer/397681247) |

## What reviewers say

### 繁簡轉換器

[App page](https://appshunter.io/ios/app/tschange/id6742090066)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 去廣告 | $4.99 | one-time |


### Grade Tests | Corrigi

[App page](https://appshunter.io/ios/app/grade-tests-corrigi/id6771878747)

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

**In-app purchases:** none


## Frequently asked questions

### Is 繁簡轉換器 free?

繁簡轉換器 is free to download, with in-app purchases available.

### Is Grade Tests | Corrigi free?

Grade Tests | Corrigi is free to download, with no in-app purchases.

### Do 繁簡轉換器 or Grade Tests | Corrigi have ads?

Neither 繁簡轉換器 nor Grade Tests | Corrigi shows ads.

### Which is updated more often, 繁簡轉換器 or Grade Tests | Corrigi?

繁簡轉換器 ships an update every 4 days, and Grade Tests | Corrigi every 6 days. Most recently, 繁簡轉換器 was updated on September 15, 2026 and Grade Tests | Corrigi on October 1, 2026.

---

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