# OCaml vs QR Debug

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.

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.

## The numbers

| Metric | OCaml | QR Debug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (17 ratings)](https://appshunter.io/ios/app/ocaml-learn-and-code/id1547506826/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/qr-debug/id1609006170/reviews)** |
| Number of ratings | **17** | 5 |
| Positive reviews | 64.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 15 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 1 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Groupe MINASTE](https://appshunter.io/developer/1378426984) | [Managed Custom Solutions, Inc.](https://appshunter.io/developer/1557764901) |

## What reviewers say

### OCaml

[App page](https://appshunter.io/ios/app/ocaml-learn-and-code/id1547506826)

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.

**Highlights:** Integrated OCaml editor, Interactive top-level interpreter, Offline code execution, Step-by-step learning chapters, Customizable editor settings, Save and open .ml files

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation 1 | $0.99 | one-time |
| Donation 2 | $2.99 | one-time |
| Donation 3 | $4.99 | one-time |


### QR Debug

[App page](https://appshunter.io/ios/app/qr-debug/id1609006170)

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.

**Highlights:** Scan codes with device camera, View encoded data, See captured image, Copy/Share data and image, Supports multiple code types

**In-app purchases:** none


## Frequently asked questions

### Is OCaml free?

OCaml is free to download, with in-app purchases available.

### Is QR Debug free?

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

### Which has better reviews, OCaml or QR Debug?

QR Debug is rated higher. OCaml averages 4.6 out of 5 from 17 ratings, while QR Debug averages 5.0 from 5 ratings.

### Do OCaml or QR Debug have ads?

Neither OCaml nor QR Debug shows ads.

### Which is updated more often, OCaml or QR Debug?

OCaml ships an update monthly, and QR Debug every 15 months. Most recently, OCaml was updated on September 21, 2026 and QR Debug on September 11, 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.*