# Quick Stochastics PRO vs CSCU Secure Computer User

The clearest difference is price: CSCU Secure Computer User at Free against Quick Stochastics PRO's $1.99. Quick Stochastics PRO's advantage is update cadence (every 3 weeks vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CSCU Secure Computer User is free to download; Quick Stochastics PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Quick Stochastics PRO ships an update every 3 weeks, CSCU Secure Computer User every 4 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Quick Stochastics PRO | CSCU Secure Computer User |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 179 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Quick Stochastics PRO

[App page](https://appshunter.io/ios/app/quick-stochastics-pro/id6472449362)

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

**In-app purchases:** none


### CSCU Secure Computer User

[App page](https://appshunter.io/ios/app/cscu-secure-computer-user/id6758404632)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quick Stochastics PRO free?

Quick Stochastics PRO costs $1.99, with no in-app purchases.

### Is CSCU Secure Computer User free?

CSCU Secure Computer User is free to download, with no in-app purchases.

### Do Quick Stochastics PRO or CSCU Secure Computer User have ads?

Neither Quick Stochastics PRO nor CSCU Secure Computer User shows ads.

### Which is updated more often, Quick Stochastics PRO or CSCU Secure Computer User?

Quick Stochastics PRO ships an update every 3 weeks, and CSCU Secure Computer User every 4 months. Most recently, Quick Stochastics PRO was updated on September 21, 2026 and CSCU Secure Computer User on September 12, 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.*