# Skydive Book vs ELYON

The clearest difference is in-app purchases: ELYON at none against Skydive Book's 2. ELYON also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Skydive Book sells 2 in-app purchases, starting at $5.99 per month. ELYON asks for nothing beyond the download.

Skydive Book ships an update weekly, ELYON every 11 days. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Skydive Book | ELYON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Size | 59 MB | 16 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Malyshau](https://appshunter.io/developer/1729094189) | [ROBIN FREDERIC VALENTIN FREYBURGER](https://appshunter.io/developer/1886207272) |

## What reviewers say

### Skydive Book

[App page](https://appshunter.io/ios/app/skydive-book/id6478469415)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month | $5.99 | per month |
| One Year | $19.99 | per year |


### 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 Skydive Book free?

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

### Is ELYON free?

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

### Do Skydive Book or ELYON have ads?

Neither Skydive Book nor ELYON shows ads.

### Which is updated more often, Skydive Book or ELYON?

Skydive Book ships an update weekly, and ELYON every 11 days. Most recently, Skydive Book was updated on November 8, 2026 and ELYON on November 9, 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.*