# UT.pilot vs Simple LogBook

The clearest difference is in-app purchases: UT.pilot at none against Simple LogBook's 4. UT.pilot also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (16.7 vs 18.6). On price, ads 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. UT.pilot asks for nothing beyond the download.

UT.pilot ships an update every 3 weeks, Simple LogBook every 3 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | UT.pilot | Simple LogBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/utpilot/id1475670769/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 44 MB | 6 MB |
| Requires iOS | **16.7** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MAKSIM KISEL](https://appshunter.io/developer/1472943975) | [MacLaren's Studio](https://appshunter.io/developer/549588446) |

## What reviewers say

### UT.pilot

[App page](https://appshunter.io/ios/app/utpilot/id1475670769)

This app simplifies fuel calculations for pilots and ground crew using pounds as the unit of measurement. It offers quick conversions between pounds and kilograms, calculates fuel volume based on density, and computes wind components and temperature corrections for flight.

**Highlights:** Fuel calculation in pounds, Pound to kilogram conversion, Volume calculation based on density, Wind component calculation, Temperature correction calculation

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is UT.pilot free?

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

### Is Simple LogBook free?

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

### Do UT.pilot or Simple LogBook have ads?

Neither UT.pilot nor Simple LogBook shows ads.

### Which is updated more often, UT.pilot or Simple LogBook?

UT.pilot ships an update every 3 weeks, and Simple LogBook every 3 months. Most recently, UT.pilot was updated on October 26, 2026 and Simple LogBook 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.*