# Simple LogBook vs 航记

The clearest difference is update cadence: 航记 at every 4 days against Simple LogBook's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Simple LogBook sells 4 in-app purchases, starting at $4.99 per month and 航记 sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Simple LogBook ships an update every 2 months, 航记 every 4 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Simple LogBook | 航记 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 96 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [MacLaren's Studio](https://appshunter.io/developer/549588446) | [Beijing Jitrace Technology Co., Ltd.](https://appshunter.io/developer/6786274445) |

## What reviewers say

### Simple LogBook

[App page](https://appshunter.io/ios/app/simple-logbook-pilot-log/id6759546071)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $29.99 | per year |
| Simple LogBook Pro | $9.99 | one-time |
| Pro Lifetime | $89.99 | one-time |


### 航记

[App page](https://appshunter.io/ios/app/id6786274443)

This app helps aviation professionals and enthusiasts manage flight schedules, duty periods, and flight memories. It offers tools for calculating duty times, handling time zone differences, and recording flight experiences with text, photos, and voice notes. The app also tracks flight history and provides reminders for important dates.

**Highlights:** Duty period calculation with compliance reminders, Time calculator for flight duration and time zones, Flight logbook with text, photo, and voice recording, Countdown and reminders for important dates, Flight map and travel footprint tracking, Flight and schedule recording, Apple ecosystem integration (Watch, widgets, iCloud)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员月付 | $0.99 | per month |
| 高级会员季付 | $0.99 | per 3 months |
| 高级会员年付 | $4.99 | per year |
| 高级会员永久 | $12.99 | one-time |


## Frequently asked questions

### Is Simple LogBook free?

Simple LogBook is free to download, with in-app purchases available.

### Is 航记 free?

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

### Do Simple LogBook or 航记 have ads?

Neither Simple LogBook nor 航记 shows ads.

### Which is updated more often, Simple LogBook or 航记?

Simple LogBook ships an update every 2 months, and 航记 every 4 days. Most recently, Simple LogBook was updated on October 28, 2026 and 航记 on November 5, 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.*