# Marine Engine Logbook vs Mariners Log Mobile

The clearest difference is in-app purchases: Mariners Log Mobile at none against Marine Engine Logbook's 2. Mariners Log Mobile also leads on update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (13.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Marine Engine Logbook sells 2 in-app purchases, starting at $9.99 per year. Mariners Log Mobile asks for nothing beyond the download.

Marine Engine Logbook ships an update every 6 weeks, Mariners Log Mobile every 2 weeks. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Marine Engine Logbook | Mariners Log Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/marine-engine-logbook/id6758826850/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 29 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KEVIN M GRAVES](https://appshunter.io/developer/1875176384) | [Kengineer Limited](https://appshunter.io/developer/1619488060) |

## What reviewers say

### Marine Engine Logbook

[App page](https://appshunter.io/ios/app/marine-engine-logbook/id6758826850)

This app helps boat owners meticulously track engine hours, maintenance, fuel, and parts for their vessels. It provides organized digital logs suitable for personal records or vessel sales, with multi-vessel support and exportable reports.

**Highlights:** Log engine and generator hours, Record maintenance by time or runtime, Track Seakeeper, watermaker, and auxiliary equipment, Document parts and service items, Export logs to PDF or print, Manage multiple vessels, Optional fuel logging module

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marine Engine Logbook -Pro Annual | $9.99 | per year |
| MEL Pro - Lifetime | $49.99 | one-time |


### 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 Marine Engine Logbook free?

Marine Engine Logbook is free to download, with in-app purchases available.

### Is Mariners Log Mobile free?

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

### Do Marine Engine Logbook or Mariners Log Mobile have ads?

Neither Marine Engine Logbook nor Mariners Log Mobile shows ads.

### Which is updated more often, Marine Engine Logbook or Mariners Log Mobile?

Marine Engine Logbook ships an update every 6 weeks, and Mariners Log Mobile every 2 weeks. Most recently, Marine Engine Logbook was updated on October 1, 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.*