# MD vs TR

The clearest difference is update cadence: MD at every 2 months against TR's every 27 months. MD also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MD ships an update every 2 months, TR every 27 months. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | MD | TR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 27 months |
| Size | 9 MB | 28 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [浩明 甄](https://appshunter.io/developer/6779027894) | [NINGBO PEGASUS AUDIO CO.,LTD](https://appshunter.io/developer/1514713794) |

## What reviewers say

### MD

[App page](https://appshunter.io/ios/app/md-18/id1510863313)

**Features:** macOS Compatibility

**In-app purchases:** none


### TR

[App page](https://appshunter.io/ios/app/tr-plus/id1542897209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MD free?

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

### Is TR free?

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

### Do MD or TR have ads?

Neither MD nor TR shows ads.

### Which is updated more often, MD or TR?

MD ships an update every 2 months, and TR every 27 months. Most recently, MD was updated on September 20, 2026 and TR on September 17, 2026.

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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.*