# chmod vs Insterm

The clearest difference is ads: chmod at none against Insterm's shown. chmod also leads on iOS requirement (8.2 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | chmod | Insterm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chmod-fu/id927838132/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | — |
| Size | 10 MB | 10 MB |
| Requires iOS | **8.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Red Shark AB](https://appshunter.io/developer/927838131) | [Yusuke Mori](https://appshunter.io/developer/1662278979) |

## What reviewers say

### chmod

[App page](https://appshunter.io/ios/app/chmod-fu/id927838132)

This app helps you understand and master the 'chmod' command by easily deciphering octal values. Choose to click individual bits or select octal values to learn file permissions.

**Highlights:** Decipher octal values, Learn file permissions, User-friendly interface, Click individual bits, Select octal values

**Features:** macOS Compatibility

**In-app purchases:** none


### Insterm

[App page](https://appshunter.io/ios/app/insterm/id6742595334)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is chmod free?

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

### Is Insterm free?

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

### Do chmod or Insterm have ads?

Insterm shows ads; chmod does not.

### Which is updated more often, chmod or Insterm?

chmod ships an update every 5 months, and Insterm every 5 months. Most recently, chmod was updated on October 13, 2026 and Insterm on October 6, 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.*