# Chmod Toolkit vs tldiagram

The clearest difference is in-app purchases: tldiagram at none against Chmod Toolkit's 1. tldiagram also leads on iOS requirement (15.0 vs 17.0). Chmod Toolkit's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Chmod Toolkit sells 1 one-off in-app purchase. tldiagram asks for nothing beyond the download.

Chmod Toolkit ships an update every 5 days, tldiagram every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Chmod Toolkit | tldiagram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/chmod-toolkit/id6756904066/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 32 MB | 47 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert Frederique](https://appshunter.io/developer/1863586316) | [mert can cikla](https://appshunter.io/developer/1883388188) |

## What reviewers say

### Chmod Toolkit

[App page](https://appshunter.io/ios/app/chmod-toolkit/id6756904066)

Master Unix file permissions with this comprehensive learning tool. Practice exam simulations, spaced repetition, and detailed progress tracking to prepare for Linux certifications or server hardening. Supports iPhone, iPad, and Mac with iCloud sync.

**Highlights:** Unix permissions mastery, Certification exam simulation, Spaced repetition learning, Domain-specific study, Progress tracking dashboard, Multi-device support with iCloud sync

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $24.99 | one-time |


### tldiagram

[App page](https://appshunter.io/ios/app/tldiagram/id6760236883)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chmod Toolkit free?

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

### Is tldiagram free?

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

### Do Chmod Toolkit or tldiagram have ads?

Neither Chmod Toolkit nor tldiagram shows ads.

### Which is updated more often, Chmod Toolkit or tldiagram?

Chmod Toolkit ships an update every 5 days, and tldiagram every 2 weeks. Most recently, Chmod Toolkit was updated on October 25, 2026 and tldiagram on October 25, 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.*