# Chmod Calculator vs chmod util

The clearest difference is price: chmod util at Free against Chmod Calculator's $0.99. Chmod Calculator's advantage is iOS requirement (15.6 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

chmod util is free to download; Chmod Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chmod Calculator ships an update every 33 months, chmod util every 63 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Chmod Calculator | chmod util |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/chmod-calculator/id1073777582/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 33 months** | Every 63 months |
| Monetization | Paid | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Andre Yonadam](https://appshunter.io/developer/1006281613) | [Mattia Righetti](https://appshunter.io/developer/1513841416) |

## What reviewers say

### Chmod Calculator

[App page](https://appshunter.io/ios/app/chmod-calculator/id1073777582)

This utility app helps users easily calculate file permissions in both numerical and symbolic formats. It supports advanced permission bits like setuid, setgid, and Sticky.

**Highlights:** Numerical permission calculation, Symbolic permission calculation, setuid bit support, setgid bit support, Sticky bit support

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

**In-app purchases:** none


### chmod util

[App page](https://appshunter.io/ios/app/chmod-util/id1581290826)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chmod Calculator free?

Chmod Calculator costs $0.99, with no in-app purchases.

### Is chmod util free?

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

### Do Chmod Calculator or chmod util have ads?

Neither Chmod Calculator nor chmod util shows ads.

### Which is updated more often, Chmod Calculator or chmod util?

Chmod Calculator ships an update every 33 months, and chmod util every 63 months. Most recently, Chmod Calculator was updated on October 24, 2026 and chmod util on October 24, 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.*