# dfirOS vs Silk Script Runner

The clearest difference is in-app purchases: Silk Script Runner at none against dfirOS's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. dfirOS sells 2 in-app purchases, starting at $6.99 per month. Silk Script Runner asks for nothing beyond the download.

dfirOS ships an update monthly, Silk Script Runner fortnightly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | dfirOS | Silk Script Runner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/silk-script-runner/id6778363658/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 19 MB | 7 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [tumiOS LLC](https://appshunter.io/developer/1878247001) | [静俐 张](https://appshunter.io/developer/447014629) |

## What reviewers say

### dfirOS

[App page](https://appshunter.io/ios/app/dfiros/id6759353337)

**Features:** iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| dfirOS Pro Monthly | $6.99 | per month |
| dfirOS Pro | $49.99 | per year |


### Silk Script Runner

[App page](https://appshunter.io/ios/app/silk-script-runner/id6778363658)

This app provides a straightforward environment for writing, running, and exploring scripts on mobile devices. It offers a beginner-friendly syntax similar to Python, allowing users to learn programming, test ideas, and build simple applications and games.

**Highlights:** Write simple, readable scripts, Beginner-friendly programming syntax, Run examples and built-in demos, Build lightweight GUI games, Test ideas quickly, Focus on logic over complexity

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

**In-app purchases:** none


## Frequently asked questions

### Is dfirOS free?

dfirOS is free to download, with in-app purchases available.

### Is Silk Script Runner free?

Silk Script Runner is free to download, with no in-app purchases.

### Do dfirOS or Silk Script Runner have ads?

Neither dfirOS nor Silk Script Runner shows ads.

### Which is updated more often, dfirOS or Silk Script Runner?

dfirOS ships an update monthly, and Silk Script Runner fortnightly. Most recently, dfirOS was updated on October 29, 2026 and Silk Script Runner on October 31, 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.*