# simREF vs AeroLog Pilot Logbook

simREF and AeroLog Pilot Logbook are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. simREF sells 2 one-off in-app purchases and AeroLog Pilot Logbook sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

simREF ships an update every 2 weeks, AeroLog Pilot Logbook fortnightly. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | simREF | AeroLog Pilot Logbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/simref/id6753267206/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 148 MB | 17 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Chris-Luca Fischer](https://appshunter.io/developer/1843257076) | [Alexander Neumann](https://appshunter.io/developer/1795749440) |

## What reviewers say

### 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 |


### AeroLog Pilot Logbook

[App page](https://appshunter.io/ios/app/aerolog-pilot-logbook/id6764361574)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AeroLog Pro Monthly | $3.99 | per month |
| AeroLog Pro 1 Year | $34.99 | per year |
| AeroLog Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is simREF free?

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

### Is AeroLog Pilot Logbook free?

AeroLog Pilot Logbook is free to download, with in-app purchases available.

### Do simREF or AeroLog Pilot Logbook have ads?

Neither simREF nor AeroLog Pilot Logbook shows ads.

### Which is updated more often, simREF or AeroLog Pilot Logbook?

simREF ships an update every 2 weeks, and AeroLog Pilot Logbook fortnightly. Most recently, simREF was updated on October 11, 2026 and AeroLog Pilot Logbook on October 4, 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.*