# Skyduck vs Skydive Book

The clearest difference is update cadence: Skydive Book at weekly against Skyduck's every 5 weeks. On price, ads, in-app purchases 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 and Skydive Book sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Skyduck ships an update every 5 weeks, Skydive Book weekly. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Skyduck | Skydive Book |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 59 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Igor Kamenev](https://appshunter.io/developer/910687200) | [Andrei Malyshau](https://appshunter.io/developer/1729094189) |

## 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 |

**What reviewers like**

- 👍 Great logbook functionality
- 🗺️ Awesome 3D jump visualization
- 📊 Tracks progress and provides jump info
- 🤩 Easy to use interface
- 🚀 Works great for logging skydives

**What reviewers complain about**

- 🐛 3D function no longer works
- 🐛 TLS error preventing login
- 🐛 App crashes with new iOS
- 🐛 No response from support
- 🐛 Cannot connect to server

**Reported bugs**

- Constant TLS error on login
- Crashing with new iOS versions
- Forgot password email not sent
- No confirmation button for signing jumps
- 3D function not working

**Requested features**

- Update for iOS 26
- Apple Watch app
- Support for other languages (Russian mentioned)
- Barometer integration for jump tracking


### 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 |


## Frequently asked questions

### Is Skyduck free?

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

### Is Skydive Book free?

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

### Do Skyduck or Skydive Book have ads?

Neither Skyduck nor Skydive Book shows ads.

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

Skyduck ships an update every 5 weeks, and Skydive Book weekly. Most recently, Skyduck was updated on November 3, 2026 and Skydive Book on October 27, 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.*