# STCW Basic Safety Training vs IRIS

The clearest difference is in-app purchases: IRIS at none against STCW Basic Safety Training's 4. STCW Basic Safety Training's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, update cadence and ads there is nothing between them.

Both are free to download. STCW Basic Safety Training sells 4 in-app purchases, starting at $6.99 per 7 days. IRIS asks for nothing beyond the download.

STCW Basic Safety Training ships an update every 4 days, IRIS every 2 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | STCW Basic Safety Training | IRIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 25 MB | 58 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) | [ELOSOFT INC](https://appshunter.io/developer/1582738042) |

## What reviewers say

### STCW Basic Safety Training

[App page](https://appshunter.io/ios/app/stcw-basic-safety-training/id6774033893)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STCW Safety Full Access | $6.99 | per 7 days |
| STCW Safety Full Access | $16.99 | per month |
| STCW Safety Full Access | $39.99 | per 3 months |
| Unlock Full Access | $4.99 | one-time |


### IRIS

[App page](https://appshunter.io/ios/app/iris-sams/id6802582212)

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

**In-app purchases:** none


## Frequently asked questions

### Is STCW Basic Safety Training free?

STCW Basic Safety Training is free to download, with in-app purchases available.

### Is IRIS free?

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

### Do STCW Basic Safety Training or IRIS have ads?

Neither STCW Basic Safety Training nor IRIS shows ads.

### Which is updated more often, STCW Basic Safety Training or IRIS?

STCW Basic Safety Training ships an update every 4 days, and IRIS every 2 days. Most recently, STCW Basic Safety Training was updated on October 1, 2026 and IRIS on October 9, 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.*