CHMOD Lab vs Codigo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CHMOD Lab
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Stop guessing Linux file permissions. CHMOD Lab is the ultimate interactive sandbox and calculator for developers, SysAdmins, and students who want to master the command line. Whether you are configuring a web server, debugging a script, or studying for your Linux certification, CHMOD Lab bridges the gap between confusing octal numbers (755) and symbolic notation (rwxr-xr-x). FEATURES: • Interactive Calculator: Toggle permissions instantly. Tap "Read," "Write," or "Execute" and watch the Octal and Symbolic codes update in real-time. • Reverse Lookup: Type in a code like "644" and see exactly which permissions are granted. • Visual Sandbox: See permissions visualized to understand "who" can do "what" before you run the command. • Cheat Sheet: Built-in reference guides for common permission patterns. Master the command line. Download CHMOD Lab today.
Codigo
Digitally store and access all your loyalty cards, library cards, and membership barcodes. Easily scan them at checkout or create custom QR codes for your own data. Keep your physical wallet light and your essential cards always ready.
- Scan all major barcode and QR code formats
- Display fullscreen barcodes for instant checkout
- Create custom QR codes from text or URLs
- Organize cards with custom categories and favorites
- Search cards by name or notes
- Color-code cards for visual recognition
- Privacy-focused with on-device data storage
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Your cards, always ready. Your wallet, finally light. Tired of fumbling through stacks of loyalty cards at checkout? Codigo lets you scan and store all your barcodes and QR codes in one place. Library cards, store loyalty cards, gym memberships, rewards programs — scan once, access forever. SCAN IN SECONDS Point your camera at any barcode or QR code. Supports all major formats including QR, Code128, Code39, EAN-13, UPC, PDF417, and Aztec codes. INSTANT CHECKOUT Tap a card to display a fullscreen, scanner-ready barcode. Automatic brightness boost ensures it scans perfectly every time. Screen stays awake so you never miss the moment. CREATE QR CODES Generate custom QR codes from any text, URL, or data. See a live preview as you type, then save it to your wallet for instant access anytime. STAY ORGANIZED - Create custom categories (Retail, Library, Gym, and more) - Mark favorites for one-tap access - Search cards by name or notes - Color-code cards for visual recognition PRIVACY FIRST All data stays on your device. No accounts, no cloud uploads, no tracking. Just your cards, securely stored. NATIVE iOS EXPERIENCE Built entirely with Apple frameworks. Fast, lightweight, and designed for iOS. Download Codigo and leave the plastic behind.
Screenshots
Verdict
CHMOD Lab and Codigo are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | CHMOD Lab | Codigo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Daily |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 2 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Guy Miller | SHANG LI |
In-app purchases
CHMOD Lab
No in-app purchases
Codigo
No in-app purchases
