# Skyduck vs FSG

The clearest difference is in-app purchases: FSG at none against Skyduck's 3. FSG also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (15.6 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. FSG asks for nothing beyond the download.

Skyduck ships an update every 5 weeks, FSG every 2 weeks. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Skyduck | FSG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (175 ratings)](https://appshunter.io/ios/app/skyduck-skydiving-logbook/id1459551774/reviews)** | — |
| Number of ratings | **175** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 137 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Igor Kamenev](https://appshunter.io/developer/910687200) | [Philipp Waldow](https://appshunter.io/developer/1450656751) |

## 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 |


### FSG

[App page](https://appshunter.io/ios/app/fsg/id1575248021)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Skyduck free?

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

### Is FSG free?

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

### Do Skyduck or FSG have ads?

Neither Skyduck nor FSG shows ads.

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

Skyduck ships an update every 5 weeks, and FSG every 2 weeks. Most recently, Skyduck was updated on October 17, 2026 and FSG on October 3, 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.*