# Skyduck vs ELYON

The clearest difference is in-app purchases: ELYON at none against Skyduck's 3. ELYON also leads on update cadence (every 11 days vs every 5 weeks) and iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Skyduck sells 3 in-app purchases, starting at $4.99 per month. ELYON asks for nothing beyond the download.

Skyduck ships an update every 5 weeks, ELYON every 11 days. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Skyduck | ELYON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (171 ratings)](https://appshunter.io/ios/app/skyduck-skydiving-logbook/id1459551774/reviews)** | — |
| Number of ratings | **171** | — |
| Positive reviews | 82.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 16 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Igor Kamenev](https://appshunter.io/developer/910687200) | [ROBIN FREDERIC VALENTIN FREYBURGER](https://appshunter.io/developer/1886207272) |

## What reviewers say

### Skyduck

[App page](https://appshunter.io/ios/app/skyduck-skydiving-logbook/id1459551774)

This app automatically logs your skydives using phone sensors like GPS and altimeter. View detailed statistics, 3D jump visualizations, and collect digital signatures. It's designed by skydivers for skydivers to simplify jump tracking.

**Highlights:** Automated skydiving logbook, GPS and sensor tracking, 3D jump visualization, Detailed statistics and graphs, Digital signatures

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skyduck PRO | $4.99 | per month |
| Skyduck PRO | $99.99 | per year |
| Lifetime access | $199.99 | one-time |


### ELYON

[App page](https://appshunter.io/ios/app/elyon-advanced-logbook/id6760779744)

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

**In-app purchases:** none


## Frequently asked questions

### Is Skyduck free?

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

### Is ELYON free?

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

### Do Skyduck or ELYON have ads?

Neither Skyduck nor ELYON shows ads.

### Which is updated more often, Skyduck or ELYON?

Skyduck ships an update every 5 weeks, and ELYON every 11 days. Most recently, Skyduck was updated on September 24, 2026 and ELYON on September 15, 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.*