# USPA SIM vs DZKcc

The clearest difference is update cadence: DZKcc at every 2 weeks against USPA SIM's every 33 months. USPA SIM's advantage is iOS requirement (11.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

USPA SIM ships an update every 33 months, DZKcc every 2 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | USPA SIM | DZKcc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (27 ratings)](https://appshunter.io/ios/app/uspa-sim/id419235415/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 77.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 38 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [United States Parachute Association](https://appshunter.io/developer/675128989) | [Anton Kuzmin](https://appshunter.io/developer/1876955429) |

## 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


### DZKcc

[App page](https://appshunter.io/ios/app/dzkcc/id6759115329)

**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 DZKcc free?

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

### Do USPA SIM or DZKcc have ads?

Neither USPA SIM nor DZKcc shows ads.

### Which is updated more often, USPA SIM or DZKcc?

USPA SIM ships an update every 33 months, and DZKcc every 2 weeks. Most recently, USPA SIM was updated on September 19, 2026 and DZKcc on September 9, 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.*