# Chmod Toolkit vs RemoteSim

The clearest difference is update cadence: RemoteSim at every 3 days against Chmod Toolkit's every 5 days. Chmod Toolkit's advantage is iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chmod Toolkit sells 1 one-off in-app purchase and RemoteSim sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Chmod Toolkit ships an update every 5 days, RemoteSim every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chmod Toolkit | RemoteSim |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 32 MB | 14 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert Frederique](https://appshunter.io/developer/1863586316) | [Kazuya Matsushita](https://appshunter.io/developer/1705158662) |

## 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 |


### RemoteSim

[App page](https://appshunter.io/ios/app/remotesim/id6777329399)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is Chmod Toolkit free?

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

### Is RemoteSim free?

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

### Do Chmod Toolkit or RemoteSim have ads?

Neither Chmod Toolkit nor RemoteSim shows ads.

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

Chmod Toolkit ships an update every 5 days, and RemoteSim every 3 days. Most recently, Chmod Toolkit was updated on November 5, 2026 and RemoteSim 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.*