# Quick Stochastics PRO vs 1Z0

The clearest difference is price: 1Z0 at Free against Quick Stochastics PRO's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

1Z0 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, 1Z0 every 2 months. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Quick Stochastics PRO | 1Z0 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 179 MB | 30 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


### 1Z0

[App page](https://appshunter.io/ios/app/1z0-829-java-se-17-exam-prep/id6789257017)

**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 1Z0 free?

1Z0 is free to download, with no in-app purchases.

### Do Quick Stochastics PRO or 1Z0 have ads?

Neither Quick Stochastics PRO nor 1Z0 shows ads.

### Which is updated more often, Quick Stochastics PRO or 1Z0?

Quick Stochastics PRO ships an update every 3 weeks, and 1Z0 every 2 months. Most recently, Quick Stochastics PRO was updated on September 21, 2026 and 1Z0 on September 14, 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.*