# LogOOOI vs MJ DB

The clearest difference is in-app purchases: LogOOOI at none against MJ DB's 1. LogOOOI also leads on iOS requirement (13.0 vs 18.0). MJ DB's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. MJ DB sells 1 one-off in-app purchase. LogOOOI asks for nothing beyond the download.

LogOOOI ships an update every 2 months, MJ DB every 2 days. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LogOOOI | MJ DB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/logoooi-pilot-logbook/id6739972314/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 262 MB | 28 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Captain Home](https://appshunter.io/developer/1775404655) | [wilson chung](https://appshunter.io/developer/564506285) |

## What reviewers say

### LogOOOI

[App page](https://appshunter.io/ios/app/logoooi-pilot-logbook/id6739972314)

Automate your pilot logbook by importing airline flight data. This app captures OOOI times and company flight details, eliminating manual entry and calculating flight times automatically. It also offers integration with other logbook applications and comprehensive aircraft and crew management.

**Highlights:** Automatic OOOI integration, Company flight data import, Real-time flight time calculations, LogTen API sync, Aircraft and crew database, Role profiles, Customizable reports

**Features:** macOS Compatibility

**In-app purchases:** none


### MJ DB

[App page](https://appshunter.io/ios/app/mj-db/id6759273739)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is LogOOOI free?

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

### Is MJ DB free?

MJ DB is free to download, with in-app purchases available.

### Do LogOOOI or MJ DB have ads?

Neither LogOOOI nor MJ DB shows ads.

### Which is updated more often, LogOOOI or MJ DB?

LogOOOI ships an update every 2 months, and MJ DB every 2 days. Most recently, LogOOOI was updated on October 5, 2026 and MJ DB on October 25, 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.*