# Refuelling vs Skyden

The clearest difference is price: Skyden at Free against Refuelling's $4.99. Skyden also leads on update cadence (every 2 days vs every 2 months) and review sentiment (90% vs 75%). Refuelling's advantage is in-app purchases (none vs 11) and iOS requirement (15.0 vs 17.0). On ads and device support there is nothing between them.

Skyden is free to download; Refuelling costs $4.99 up front. Skyden sells 7 in-app purchases, starting at $9.99 per month. Refuelling asks for nothing beyond the download.

Refuelling ships an update every 2 months, Skyden every 2 days. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Refuelling | Skyden |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/refuelling/id433928156/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 75.0% of reviews | **90.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | **Freemium** |
| Size | 2 MB | 132 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chris Godesar](https://appshunter.io/developer/433928159) | [Guillaume Huchet](https://appshunter.io/developer/1773347643) |

## What reviewers say

### Refuelling

[App page](https://appshunter.io/ios/app/refuelling/id433928156)

This app helps pilots calculate aircraft fuel requirements with advanced error management. It allows for unlimited aircraft entries and custom parameters, providing detailed fuel chit and techlog entries. Visualizations and volumetric checks ensure accuracy and compliance.

**Highlights:** Unlimited aircraft entry, Custom aircraft parameters, Built-in error management, Detailed fuel chit and techlog, Pictorial fuel distribution view, Volumetric and weight checks, Data retention and verification

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

**In-app purchases:** none


### Skyden

[App page](https://appshunter.io/ios/app/skyden-pilot-logbook/id6745750700)

This app is a modern pilot logbook designed for professionals. It allows for quick flight logging, secure cloud synchronization, and generation of compliant exportable logbooks. Track certificates and licenses with automatic reminders, and import data from other logbook services.

**Highlights:** Offline flight logging, Secure cloud sync, Exportable PDF logbooks, Certificate and license tracking, Import from other logbooks, Interactive world map of visited airports, Crew management and digital signatures

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skyden Pro | $9.99 | per month |
| Skyden Pro | $49.99 | per year |
| Skyden Pro | $59.99 | per year |
| Skyden Pro | $79.99 | per year |
| Skyden Pro | $79.99 | per year |
| Skyden Pro | $79.99 | per year |
| Skyden Plus Lifetime | $179.99 | one-time |


## Frequently asked questions

### Is Refuelling free?

Refuelling costs $4.99, with no in-app purchases.

### Is Skyden free?

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

### Do Refuelling or Skyden have ads?

Neither Refuelling nor Skyden shows ads.

### Which is updated more often, Refuelling or Skyden?

Refuelling ships an update every 2 months, and Skyden every 2 days. Most recently, Refuelling was updated on October 11, 2026 and Skyden on October 20, 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.*