# Quantum Kate AR vs Math Zen

The clearest difference is rating: Math Zen at 4.8 against Quantum Kate AR's 3.0. Math Zen also leads on update cadence (every 3 days vs every 3 weeks) and ratings volume (6 vs 1). Quantum Kate AR's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Math Zen sells 6 in-app purchases, starting at $3.99 per 7 days. Quantum Kate AR asks for nothing beyond the download.

Math Zen holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Math Zen has 6 ratings behind it against 1, so its average is the more settled of the two.

Quantum Kate AR ships an update every 3 weeks, Math Zen every 3 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Quantum Kate AR | Math Zen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/quantum-kate-ar/id1471200027/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/math-zen-exam-prep-and-drill/id6758208511/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 144 MB | 87 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Syddansk Universitet](https://appshunter.io/developer/694403162) | [Ivan Terekhin](https://appshunter.io/developer/888645337) |

## What reviewers say

### Quantum Kate AR

[App page](https://appshunter.io/ios/app/quantum-kate-ar/id1471200027)

Explore the quantum world by connecting subatomic particles. Discover new particles by drawing strings between quarks, but avoid crossing them. Unlock more quarks as you progress and aim to find all particles to become a Quantum Rascal.

**Highlights:** Discover subatomic particles, Connect quarks to form new particles, AR experience in your room, Unlock new quarks, Track discovered particles, High score challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Zen

[App page](https://appshunter.io/ios/app/math-zen-exam-prep-and-drill/id6758208511)

This app provides algorithmically generated math problems for exam preparation, adapting difficulty based on user performance. It covers a wide range of standardized tests and academic math topics with built-in theory and a mistake journal for targeted review. Practice offline without distractions.

**Highlights:** Algorithmically generated problems, Adaptive mastery-based progression, Offline practice, Dedicated exam paths, Mistake journal for review, Built-in theory and examples

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Zen Premium — Weekly | $3.99 | per 7 days |
| Math Zen Premium — Monthly | $6.99 | per month |
| Math Zen Premium — Annual | $29.99 | per year |
| Math Zen Premium: Lifetime | $24.99 | one-time |
| Math Zen Premium: Lifetime | $29.99 | one-time |
| Math Zen Premium — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Quantum Kate AR free?

Quantum Kate AR is free to download, with no in-app purchases.

### Is Math Zen free?

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

### Which has better reviews, Quantum Kate AR or Math Zen?

Math Zen is rated higher. Quantum Kate AR averages 3.0 out of 5 from 1 ratings, while Math Zen averages 4.8 from 6 ratings.

### Do Quantum Kate AR or Math Zen have ads?

Neither Quantum Kate AR nor Math Zen shows ads.

### Which is updated more often, Quantum Kate AR or Math Zen?

Quantum Kate AR ships an update every 3 weeks, and Math Zen every 3 days. Most recently, Quantum Kate AR was updated on November 3, 2026 and Math Zen on November 7, 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.*