# Skyduck vs ParaLogic

The clearest difference is update cadence: ParaLogic at every 2 days against Skyduck's every 5 weeks. ParaLogic also leads on iOS requirement (15.0 vs 18.6). 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 ParaLogic sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Skyduck ships an update every 5 weeks, ParaLogic every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Skyduck | ParaLogic |
| --- | --- | --- |
| 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 | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 15 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) | [Itai Almog](https://appshunter.io/developer/6787386320) |

## 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


### ParaLogic

[App page](https://appshunter.io/ios/app/paralogic/id6787386318)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ParaLogic Pro Monthly | $1.99 | per month |
| ParaLogic Pro Yearly | $17.99 | per year |
| ParaLogic Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Skyduck free?

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

### Is ParaLogic free?

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

### Do Skyduck or ParaLogic have ads?

Neither Skyduck nor ParaLogic shows ads.

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

Skyduck ships an update every 5 weeks, and ParaLogic every 2 days. Most recently, Skyduck was updated on November 3, 2026 and ParaLogic on October 31, 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.*