# pupils mental arithmetic vs Delightex Edu

The clearest difference is iOS requirement: pupils mental arithmetic at 8.0 against Delightex Edu's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. pupils mental arithmetic sells 1 one-off in-app purchase and Delightex Edu sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

pupils mental arithmetic ships an update monthly, Delightex Edu every 3 weeks. The most recent releases landed on October 29, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | pupils mental arithmetic | Delightex Edu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (180 ratings)](https://appshunter.io/ios/app/delightex-edu/id1224622426/reviews)** |
| Number of ratings | — | **180** |
| Positive reviews | — | 54.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 270 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海燕 胡](https://appshunter.io/developer/667771061) | [Delightex GmbH](https://appshunter.io/developer/972685254) |

## What reviewers say

### pupils mental arithmetic

[App page](https://appshunter.io/ios/app/pupils-mental-arithmetic-third-semester/id1144356492)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove All Advertisement | $0.99 | one-time |


### Delightex Edu

[App page](https://appshunter.io/ios/app/delightex-edu/id1224622426)

Empower children to create and explore interactive 3D content using AI, coding, and immersive technologies like VR/AR. This tool fosters essential 21st-century skills and allows educators to design engaging lessons and virtual experiences.

**Highlights:** AI-supported 3D content creation, Animation with code, Virtual and Augmented Reality exploration, Development of 21st-century skills, Interactive lesson design, Virtual field trips

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delightex Pro 5 | $79.99 | one-time |
| Delightex 5 with MERGE | $84.99 | one-time |
| Delightex Pro 15 | $149.99 | one-time |
| Delightex Pro 15 with MERGE | $159.99 | one-time |
| Delightex Pro 30 | $249.99 | one-time |
| Delightex Pro 30 with MERGE | $299.99 | one-time |

**What reviewers like**

- 🎨 Creative 3D world building and design
- 💻 Accessible block-based coding (CoBlocks)
- 🥽 VR and AR integration capabilities
- 🎓 Excellent educational tool for STEM learning
- 🤝 Collaborative features for classroom use

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- ⚠️ Severe login and authentication problems
- 💰 Expensive Pro subscription pricing
- 🔒 Limited free version functionality
- ⏱️ Slow app loading and performance lag

**Reported bugs**

- App crashes on startup and during use
- Login fails on mobile devices (iPhone/iPad)
- School account authentication errors
- Projects become inaccessible or deleted unexpectedly
- Cannot create new projects after certain actions

**Requested features**

- Improved camera controls with better turning mechanics
- More object variety (fruits, basic items, furniture)
- Comment and rating system for community projects
- Undo/trash functionality for deleted projects
- Mobile coding support (CoBlocks on iPhone/iPad)


## Frequently asked questions

### Is pupils mental arithmetic free?

pupils mental arithmetic is free to download, with in-app purchases available.

### Is Delightex Edu free?

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

### Do pupils mental arithmetic or Delightex Edu have ads?

Neither pupils mental arithmetic nor Delightex Edu shows ads.

### Which is updated more often, pupils mental arithmetic or Delightex Edu?

pupils mental arithmetic ships an update monthly, and Delightex Edu every 3 weeks. Most recently, pupils mental arithmetic was updated on October 29, 2026 and Delightex Edu on November 6, 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.*