# 澳斯特 vs Morse Code Trainer, CW Decoder

The clearest difference is in-app purchases: 澳斯特 at none against Morse Code Trainer, CW Decoder's 1. 澳斯特 also leads on iOS requirement (11.0 vs 18.0). Morse Code Trainer, CW Decoder's advantage is update cadence (fortnightly vs every 43 months). On price, ads and device support there is nothing between them.

Both are free to download. Morse Code Trainer, CW Decoder sells 1 one-off in-app purchase. 澳斯特 asks for nothing beyond the download.

澳斯特 ships an update every 43 months, Morse Code Trainer, CW Decoder fortnightly. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 澳斯特 | Morse Code Trainer, CW Decoder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 43 months | **Fortnightly** |
| Size | 22 MB | 25 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jining Zhicheng Zhongke Information Technology Co., Ltd.](https://appshunter.io/developer/850181915) | [Vislab](https://appshunter.io/developer/480699790) |

## What reviewers say

### 澳斯特

[App page](https://appshunter.io/ios/app/id1474351227)

**Features:** macOS Compatibility

**In-app purchases:** none


### Morse Code Trainer, CW Decoder

[App page](https://appshunter.io/ios/app/morse-code-trainer-cw-decoder/id6796642915)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MORSE PRO One-Time Unlock | $8.99 | one-time |


## Frequently asked questions

### Is 澳斯特 free?

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

### Is Morse Code Trainer, CW Decoder free?

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

### Do 澳斯特 or Morse Code Trainer, CW Decoder have ads?

Neither 澳斯特 nor Morse Code Trainer, CW Decoder shows ads.

### Which is updated more often, 澳斯特 or Morse Code Trainer, CW Decoder?

澳斯特 ships an update every 43 months, and Morse Code Trainer, CW Decoder fortnightly. Most recently, 澳斯特 was updated on October 3, 2026 and Morse Code Trainer, CW Decoder on October 10, 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.*