# USPA SIM vs Rhythm Skydiving 401

The clearest difference is rating: Rhythm Skydiving 401 at 5.0 against USPA SIM's 3.6. Rhythm Skydiving 401 also leads on update cadence (every 2 months vs every 33 months) and review sentiment (89% vs 77%). USPA SIM's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Rhythm Skydiving 401 sells 2 in-app purchases, starting at $49.99 per year. USPA SIM asks for nothing beyond the download.

Rhythm Skydiving 401 holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Rhythm Skydiving 401 has 150 ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 77% of USPA SIM's written reviews are positive against 89% of Rhythm Skydiving 401's.

USPA SIM ships an update every 33 months, Rhythm Skydiving 401 every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | USPA SIM | Rhythm Skydiving 401 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (28 ratings)](https://appshunter.io/ios/app/uspa-sim/id419235415/reviews) | **[5.0 (150 ratings)](https://appshunter.io/ios/app/rhythm-skydiving-401/id1315422564/reviews)** |
| Number of ratings | 28 | **150** |
| Positive reviews | 77.3% of reviews | **89.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 2 months** |
| Monetization | **Free** | Subscription |
| Size | 7 MB | 99 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [United States Parachute Association](https://appshunter.io/developer/675128989) | [Rhythm Skydiving](https://appshunter.io/developer/1185933960) |

## 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


### Rhythm Skydiving 401

[App page](https://appshunter.io/ios/app/rhythm-skydiving-401/id1315422564)

This app serves as a comprehensive rhythm coach for skydiving enthusiasts. It offers a vast library of articles, videos, and interactive tools to learn and master 4-way and 8-way formations. Users can download content for offline review and utilize features like a dive timer and draw generator.

**Highlights:** Extensive video library with offline download, Interactive flashcards for formation learning, Color-coded continuity plans, Advanced video player with frame-by-frame control, Customizable random draw generator, In-app direct contact with instructors

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rhythm 8way Subscription | $49.99 | per year |
| Rhythm 4way Subscription | $99.99 | per year |


## Frequently asked questions

### Is USPA SIM free?

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

### Is Rhythm Skydiving 401 free?

Rhythm Skydiving 401 is free to download, with in-app purchases available.

### Which has better reviews, USPA SIM or Rhythm Skydiving 401?

Rhythm Skydiving 401 is rated higher. USPA SIM averages 3.6 out of 5 from 28 ratings, while Rhythm Skydiving 401 averages 5.0 from 150 ratings.

### Do USPA SIM or Rhythm Skydiving 401 have ads?

Neither USPA SIM nor Rhythm Skydiving 401 shows ads.

### Which is updated more often, USPA SIM or Rhythm Skydiving 401?

USPA SIM ships an update every 33 months, and Rhythm Skydiving 401 every 2 months. Most recently, USPA SIM was updated on November 1, 2026 and Rhythm Skydiving 401 on November 2, 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.*