Chmod Calculator vs chmod util
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chmod Calculator
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.
- Numerical permission calculation
- Symbolic permission calculation
- setuid bit support
- setgid bit support
- Sticky bit support
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Easily calculate permissions in the numerical and symbolic formats. You can even calculate permissions for bits setuid, setgid, and Sticky.
chmod util
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chmod util helps you understand and build Unix file permissions. Tap r, w, and x for the owner, group, and everyone else, and see the corresponding chmod number instantly. Choose common modes such as 644, 755, and 600, each with a clear explanation of who gets access. A built-in, manual explains the essentials: - What read, write, and execute mean. - How permissions differ for files and directories. - How to remember the 4–2–1 rule. - All eight permission patterns in a handy cheat sheet. - Practical examples of chmod commands. A small, focused companion for developers, students, and anyone learning Unix permissions.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Chmod Calculator | chmod util |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 33 months — better | Every 63 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Andre Yonadam | Mattia Righetti |
In-app purchases
Chmod Calculator
No in-app purchases
chmod util
No in-app purchases









