# RigCheck vs Mariners Log Mobile

The clearest difference is price: Mariners Log Mobile at Free against RigCheck's $2.99. Mariners Log Mobile also leads on iOS requirement (13.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Mariners Log Mobile is free to download; RigCheck costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RigCheck ships an update monthly, Mariners Log Mobile every 2 weeks. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RigCheck | Mariners Log Mobile |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 6 MB | 29 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stolk.cc](https://appshunter.io/developer/313529099) | [Kengineer Limited](https://appshunter.io/developer/1619488060) |

## What reviewers say

### RigCheck

[App page](https://appshunter.io/ios/app/rigcheck-rigging-inspector/id6758738427)

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

**In-app purchases:** none


### Mariners Log Mobile

[App page](https://appshunter.io/ios/app/mariners-log-mobile/id6759027844)

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

**In-app purchases:** none


## Frequently asked questions

### Is RigCheck free?

RigCheck costs $2.99, with no in-app purchases.

### Is Mariners Log Mobile free?

Mariners Log Mobile is free to download, with no in-app purchases.

### Do RigCheck or Mariners Log Mobile have ads?

Neither RigCheck nor Mariners Log Mobile shows ads.

### Which is updated more often, RigCheck or Mariners Log Mobile?

RigCheck ships an update monthly, and Mariners Log Mobile every 2 weeks. Most recently, RigCheck was updated on October 17, 2026 and Mariners Log Mobile 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.*