# USPA SIM vs Skydive LogBook

The clearest difference is rating: Skydive LogBook at 4.4 against USPA SIM's 3.6. Skydive LogBook also leads on update cadence (every 10 days vs every 33 months). USPA SIM's advantage is iOS requirement (11.0 vs 17.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Skydive LogBook holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 27 and 10 respectively. Written reviews point the same way: 77% of USPA SIM's written reviews are positive against 83% of Skydive LogBook's.

USPA SIM ships an update every 33 months, Skydive LogBook every 10 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | USPA SIM | Skydive LogBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (27 ratings)](https://appshunter.io/ios/app/uspa-sim/id419235415/reviews) | **[4.4 (10 ratings)](https://appshunter.io/ios/app/skydive-logbook/id1008308865/reviews)** |
| Number of ratings | **27** | 10 |
| Positive reviews | 77.3% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 7 MB | 41 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [United States Parachute Association](https://appshunter.io/developer/675128989) | [Shiraz Omar](https://appshunter.io/developer/390117863) |

## What reviewers say

### USPA SIM

[App page](https://appshunter.io/ios/app/uspa-sim/id419235415)

This manual outlines the United States Parachute Association's basic safety requirements and recommendations for safe skydiving. It details programs for recognizing individual expertise and proficiency in the sport. Users should consult additional resources for clarification.

**Highlights:** Basic Safety Requirements, Skydiving recommendations, Individual proficiency programs, Information for skydivers, USPA administered programs

**Features:** macOS Compatibility

**In-app purchases:** none


### Skydive LogBook

[App page](https://appshunter.io/ios/app/skydive-logbook/id1008308865)

This digital logbook helps skydivers track ratings, membership, and jump details. It allows for easy entry, storage, and export of skydiving and wind tunnel logs, with features for repack dates and multi-signatures.

**Highlights:** USPA Approved Digital Logbook, Ratings, Membership, Line Count Tracker, Repack Date Tracker, SkyDive/Wind Tunnel Log Entry, PDF Export, Signature & Multi-Sign Support, Dropbox Backup & Excel Upload

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

**In-app purchases:** none


## Frequently asked questions

### Is USPA SIM free?

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

### Is Skydive LogBook free?

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

### Which has better reviews, USPA SIM or Skydive LogBook?

Skydive LogBook is rated higher. USPA SIM averages 3.6 out of 5 from 27 ratings, while Skydive LogBook averages 4.4 from 10 ratings.

### Do USPA SIM or Skydive LogBook have ads?

Neither USPA SIM nor Skydive LogBook shows ads.

### Which is updated more often, USPA SIM or Skydive LogBook?

USPA SIM ships an update every 33 months, and Skydive LogBook every 10 days. Most recently, USPA SIM was updated on October 7, 2026 and Skydive LogBook on September 28, 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.*