# Mon appli de math CE2 avec BDG vs OpenCube

The clearest difference is in-app purchases: Mon appli de math CE2 avec BDG at none against OpenCube's 1. Mon appli de math CE2 avec BDG also leads on iOS requirement (11.0 vs 26.0). OpenCube's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. OpenCube sells 1 one-off in-app purchase. Mon appli de math CE2 avec BDG asks for nothing beyond the download.

Mon appli de math CE2 avec BDG ships an update every 2 months, OpenCube every 2 weeks. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Mon appli de math CE2 avec BDG | OpenCube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/opencube-cube-solver/id6814315632/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 231 MB | 8 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Éditions JOCATOP](https://appshunter.io/developer/1438112476) | [Meral Software LLC](https://appshunter.io/developer/6808837068) |

## What reviewers say

### Mon appli de math CE2 avec BDG

[App page](https://appshunter.io/ios/app/mon-appli-de-math-ce2-avec-bdg/id1644656614)

**In-app purchases:** none


### OpenCube

[App page](https://appshunter.io/ios/app/opencube-cube-solver/id6814315632)

This app uses your phone's camera to scan and solve various twisty puzzles. It provides step-by-step solutions, learning methods, and a competition timer. Offline functionality ensures privacy and accessibility.

**Highlights:** Camera-based cube scanning, Step-by-step 3D solutions, Multiple learning methods (Beginner, CFOP, Roux), Competition-style timer, Support for 2x2, 4x4, 5x5, Pyraminx, Megaminx, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenCube Pro | $1.99 | one-time |


## Frequently asked questions

### Is Mon appli de math CE2 avec BDG free?

Mon appli de math CE2 avec BDG is free to download, with no in-app purchases.

### Is OpenCube free?

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

### Do Mon appli de math CE2 avec BDG or OpenCube have ads?

Neither Mon appli de math CE2 avec BDG nor OpenCube shows ads.

### Which is updated more often, Mon appli de math CE2 avec BDG or OpenCube?

Mon appli de math CE2 avec BDG ships an update every 2 months, and OpenCube every 2 weeks. Most recently, Mon appli de math CE2 avec BDG was updated on October 27, 2026 and OpenCube on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*