# SETS 6000 vs Master

The clearest difference is in-app purchases: Master at none against SETS 6000's 3. SETS 6000's advantage is update cadence (daily vs fortnightly) and iOS requirement (11.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. SETS 6000 sells 3 one-off in-app purchases. Master asks for nothing beyond the download.

SETS 6000 ships an update daily, Master fortnightly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SETS 6000 | Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/master-nav-colregs-iala-tests/id6758554000/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free |
| Size | 458 MB | 305 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Stankevich](https://appshunter.io/developer/1491809216) | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) |

## What reviewers say

### SETS 6000

[App page](https://appshunter.io/ios/app/sets-6000/id1499547459)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Doubloons | $0.99 | one-time |
| 50 Doubloons | $1.99 | one-time |
| 100 Doubloons | $2.99 | one-time |


### Master

[App page](https://appshunter.io/ios/app/master-nav-colregs-iala-tests/id6758554000)

Practice maritime navigation rules and buoyage systems with this app. It helps you identify knowledge gaps and track your progress in mastering essential regulations for mariners.

**Highlights:** USCG Navigation Rules practice, IALA Maritime Buoyage System tests, Knowledge gap identification, Progress tracking, Developed by Master Mariner

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

**In-app purchases:** none


## Frequently asked questions

### Is SETS 6000 free?

SETS 6000 is free to download, with in-app purchases available.

### Is Master free?

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

### Do SETS 6000 or Master have ads?

Neither SETS 6000 nor Master shows ads.

### Which is updated more often, SETS 6000 or Master?

SETS 6000 ships an update daily, and Master fortnightly. Most recently, SETS 6000 was updated on October 20, 2026 and Master on October 24, 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.*