# mindfulness study vs GMDSS TRAINER

The clearest difference is in-app purchases: mindfulness study at none against GMDSS TRAINER's 1. mindfulness study also leads on iOS requirement (12.4 vs 26.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GMDSS TRAINER sells 1 one-off in-app purchase. mindfulness study asks for nothing beyond the download.

mindfulness study ships an update every 2 months, GMDSS TRAINER every 6 weeks. The most recent releases landed on September 17, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | mindfulness study | GMDSS TRAINER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 145 MB | 19 MB |
| Requires iOS | **12.4** | 26.1 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [DunDak, LLC](https://appshunter.io/developer/982384881) | [Osprey Applications LLC](https://appshunter.io/developer/1619576372) |

## What reviewers say

### mindfulness study

[App page](https://appshunter.io/ios/app/mindfulness-study/id1486439360)

**Features:** macOS Compatibility

**In-app purchases:** none


### GMDSS TRAINER

[App page](https://appshunter.io/ios/app/gmdss-trainer/id6757383433)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $14.99 | one-time |


## Frequently asked questions

### Is mindfulness study free?

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

### Is GMDSS TRAINER free?

GMDSS TRAINER is free to download, with in-app purchases available.

### Do mindfulness study or GMDSS TRAINER have ads?

Neither mindfulness study nor GMDSS TRAINER shows ads.

### Which is updated more often, mindfulness study or GMDSS TRAINER?

mindfulness study ships an update every 2 months, and GMDSS TRAINER every 6 weeks. Most recently, mindfulness study was updated on September 17, 2026 and GMDSS TRAINER on September 6, 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.*