# Ruby Compiler vs PenTest+ PT0

The clearest difference is in-app purchases: Ruby Compiler at none against PenTest+ PT0's 2. Ruby Compiler also leads on iOS requirement (12.0 vs 15.0). PenTest+ PT0's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. PenTest+ PT0 sells 2 one-off in-app purchases. Ruby Compiler asks for nothing beyond the download.

Ruby Compiler ships an update every 2 months, PenTest+ PT0 fortnightly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Ruby Compiler | PenTest+ PT0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 28 MB | 45 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OnePercent](https://appshunter.io/developer/1536020418) | [EXAMCERT PTY LTD](https://appshunter.io/developer/1830664214) |

## What reviewers say

### Ruby Compiler

[App page](https://appshunter.io/ios/app/ruby-compiler-rub-rb-code/id1546362321)

**Features:** macOS Compatibility

**In-app purchases:** none


### PenTest+ PT0

[App page](https://appshunter.io/ios/app/pentest-plus-pt0-003-exam-prep-app/id6779500833)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 AI Credits | $1.99 | one-time |
| Unlock Premium | $5.99 | one-time |


## Frequently asked questions

### Is Ruby Compiler free?

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

### Is PenTest+ PT0 free?

PenTest+ PT0 is free to download, with in-app purchases available.

### Do Ruby Compiler or PenTest+ PT0 have ads?

Neither Ruby Compiler nor PenTest+ PT0 shows ads.

### Which is updated more often, Ruby Compiler or PenTest+ PT0?

Ruby Compiler ships an update every 2 months, and PenTest+ PT0 fortnightly. Most recently, Ruby Compiler was updated on October 29, 2026 and PenTest+ PT0 on October 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.*