# RST MR vs Morse Code Trainer

The clearest difference is in-app purchases: RST MR at none against Morse Code Trainer's 1. RST MR also leads on iOS requirement (15.0 vs 17.0). Morse Code Trainer's advantage is ads (none vs shown) and update cadence (every 6 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Morse Code Trainer sells 1 one-off in-app purchase. RST MR asks for nothing beyond the download.

RST MR ships an update every 3 months, Morse Code Trainer every 6 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RST MR | Morse Code Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 10 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [TAKUYA KONO](https://appshunter.io/developer/1884296172) |

## What reviewers say

### RST MR

[App page](https://appshunter.io/ios/app/rst-mr/id1540477861)

**Features:** macOS Compatibility

**In-app purchases:** none


### Morse Code Trainer

[App page](https://appshunter.io/ios/app/morse-code-trainer-cw-key/id6790239718)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Supporter Pack) | $3.99 | one-time |


## Frequently asked questions

### Is RST MR free?

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

### Is Morse Code Trainer free?

Morse Code Trainer is free to download, with in-app purchases available.

### Do RST MR or Morse Code Trainer have ads?

RST MR shows ads; Morse Code Trainer does not.

### Which is updated more often, RST MR or Morse Code Trainer?

RST MR ships an update every 3 months, and Morse Code Trainer every 6 days. Most recently, RST MR was updated on October 17, 2026 and Morse Code Trainer on October 8, 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.*