# Math Kids vs Knowledge Sanctum

The clearest difference is in-app purchases: Math Kids at none against Knowledge Sanctum's 10. Math Kids also leads on iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Knowledge Sanctum sells 10 one-off in-app purchases. Math Kids asks for nothing beyond the download.

## The numbers

| Metric | Math Kids | Knowledge Sanctum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (10K ratings)](https://appshunter.io/ios/app/math-kids-addsubtractcount/id1272098657/reviews)** | — |
| Number of ratings | **10K** | — |
| Positive reviews | 83.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 372 MB | 147 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Math Kids

[App page](https://appshunter.io/ios/app/math-kids-addsubtractcount/id1272098657)

This app introduces young children to fundamental math concepts like counting, addition, and subtraction through engaging mini-games. It helps develop logical skills and provides a strong educational foundation for early learners.

**Highlights:** Counting objects, Comparing numbers, Addition puzzles, Subtraction puzzles, Number identification, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and engaging for kids
- 🚀 Intuitive and easy to use
- 💡 Variety of math exercises
- 🎉 Rewarding system with certificates and stickers
- 🆓 Free and ad-free app

**What reviewers complain about**

- 🐛 Occasional freezing or crashing issues
- 🌐 Lack of language options (Russian not working)
- 🤔 Some users find the content too easy

**Reported bugs**

- Russian language not loading properly
- Drag and drop functionality not working as expected

**Requested features**

- Add more advanced math levels
- Provide ability to adjust difficulty settings
- Introduce new game modes or themes


### Knowledge Sanctum

[App page](https://appshunter.io/ios/app/knowledge-sanctum/id6757075607)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AI | $24.99 | one-time |
| Package - AJ | $24.99 | one-time |
| Package - AR | $29.99 | one-time |
| Package - AV | $34.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BH | $49.99 | one-time |


## Frequently asked questions

### Is Math Kids free?

Math Kids is free to download, with no in-app purchases.

### Is Knowledge Sanctum free?

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

### Do Math Kids or Knowledge Sanctum have ads?

Neither Math Kids nor Knowledge Sanctum shows ads.

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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.*