# capzlog.aero pilot logbook vs simREF

The clearest difference is review sentiment: simREF at 100% against capzlog.aero pilot logbook's 0%. simREF also leads on update cadence (every 2 weeks vs every 6 weeks). capzlog.aero pilot logbook's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. capzlog.aero pilot logbook sells 3 one-off in-app purchases and simREF sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

capzlog.aero pilot logbook ships an update every 6 weeks, simREF every 2 weeks. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | capzlog.aero pilot logbook | simREF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/simref/id6753267206/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 148 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [capzlog.aero AG](https://appshunter.io/developer/1635925040) | [Chris-Luca Fischer](https://appshunter.io/developer/1843257076) |

## What reviewers say

### capzlog.aero pilot logbook

[App page](https://appshunter.io/ios/app/capzlogaero-pilot-logbook/id1635925038)

This officially certified digital pilot logbook allows pilots to record and edit flight experience across major aircraft categories. It offers offline data access and synchronization with a secure web platform, ensuring compliance with EASA regulations.

**Highlights:** EASA AMC1 FCL.050 certified, Offline data access, Flight entry and editing, Instructor signature collection, Dark mode, Cross-device synchronization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months capzlog.aero Premium | $47.99 | one-time |
| 12 months capzlog.aero Premium | $149.99 | one-time |
| 36 months capzlog.aero Premium | $349.99 | one-time |


### simREF

[App page](https://appshunter.io/ios/app/simref/id6753267206)

This app provides quick-reference checklists and operational data for flight simulation on iPad. It features interactive normal and abnormal checklists, essential flight data, and a CG/Trim calculator for takeoff planning in a distraction-free, dark UI optimized for cockpit environments.

**Highlights:** Interactive Normal & Abnormal Checklists, Operational Data at a glance, CG/Trim calculator, Offline functionality, Dark UI for cockpit environments, iPad landscape optimized

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IndiGo Virtual Integration | $2.99 | one-time |
| simREF Full Access | $8.99 | one-time |


## Frequently asked questions

### Is capzlog.aero pilot logbook free?

capzlog.aero pilot logbook is free to download, with in-app purchases available.

### Is simREF free?

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

### Do capzlog.aero pilot logbook or simREF have ads?

Neither capzlog.aero pilot logbook nor simREF shows ads.

### Which is updated more often, capzlog.aero pilot logbook or simREF?

capzlog.aero pilot logbook ships an update every 6 weeks, and simREF every 2 weeks. Most recently, capzlog.aero pilot logbook was updated on October 13, 2026 and simREF on October 11, 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.*