OCaml vs QR Debug
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OCaml
Learn and practice OCaml programming with an integrated editor and interactive top-level interpreter. This app provides offline functionality and step-by-step learning modules for variables, conditions, and loops, with new content added regularly.
- Integrated OCaml editor
- Interactive top-level interpreter
- Offline code execution
- Step-by-step learning chapters
- Customizable editor settings
- Save and open .ml files
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The all-in-one OCaml bundle for iOS, iPadOS and macOS! Learn the language and practice with a powerful editor and interactive top level available in the app, working offline. CODE - Write OCaml code directly from the app, and execute it with an interactive top level - Save your code in .ml files to open again them later - No need to install additional tools, OCaml is shipped with the app, and works offline - Customize the editor settings to make it yours LEARN - Learn OCaml step by step with chapters about variables, conditions, loops, … - New chapters are added frequently - It’s quick and easy! Don’t wait, start learning and playing with OCaml for free now! Application developed by Nathan Fallet © 2021 Groupe MINASTE
QR Debug
This app allows you to quickly view the data encoded in various scannable codes without being redirected. It captures and displays the scanned image along with the encoded data, offering options to copy or share both.
- Scan codes with device camera
- View encoded data
- See captured image
- Copy/Share data and image
- Supports multiple code types
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Do you work with QR codes or other types of scannable codes as much as I do? Do you need to see the data encoded in your codes for quick testing without your device or other fancy apps trying to take you to a website or somewhere else? Then this is the app for you! I needed an app like this, so I wrote one, and you get to benefit from my need. Features: * Scan a code with your device's camera and see the data encoded in that code * See the image your device's camera captured when it scanned the code * Copy or Share the data or the image with the new Share Sheet (iOS 16 only) Supported Codes: * QR * UPC-E * Code 128 * Code 39 * Code 93 * PDF417 * Code 39 mod 43 * DataMatrix * EAN-13 * EAN-8 * Interleaved 2 of 5 * ITF14 * Basically most of the codes defined by AVMetadataObject.ObjectType Directions: 1. Open the app 2. Tap the scan button in the lower right corner of the app to open the scanner 3. Aim your camera at the code you wish to scan 4. Attempt to contain your excitement as the data appears on the screen
Screenshots
Verdict
The clearest difference is review sentiment: QR Debug at 100% against OCaml's 64%. QR Debug also leads on in-app purchases (none vs 3) and rating (5.0 vs 4.6). OCaml's advantage is update cadence (monthly vs every 15 months) and ratings volume (17 vs 5). On price, ads, device support and iOS requirement 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
Both are free to download. OCaml sells 3 one-off in-app purchases. QR Debug asks for nothing beyond the download.
QR Debug holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 17 and 5 respectively. Written reviews point the same way: 64% of OCaml's written reviews are positive against 100% of QR Debug's.
OCaml ships an update monthly, QR Debug every 15 months. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.
| Parameter | OCaml | QR Debug |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (17 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 64.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 17 — better | 5 |
| Update frequency | Monthly — better | Every 15 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Groupe MINASTE | Managed Custom Solutions, Inc. |
Customer experience
OCaml
QR Debug
In-app purchases
OCaml
- Donation 1$0.99
- Donation 2$2.99
- Donation 3$4.99
QR Debug
No in-app purchases
