# Function Quiz vs Math Zen

The clearest difference is in-app purchases: Function Quiz at none against Math Zen's 4. Function Quiz also leads on iOS requirement (12.0 vs 16.4). Math Zen's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Math Zen sells 4 in-app purchases, starting at $1.49 per 7 days. Function Quiz asks for nothing beyond the download.

Function Quiz ships an update daily, Math Zen every 3 days. The most recent releases landed on September 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Function Quiz | Math Zen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/math-zen-exam-prep-and-drill/id6758208511/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 264 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Natsuhiro Suzuki](https://appshunter.io/developer/1847216656) | [Ivan Terekhin](https://appshunter.io/developer/888645337) |

## What reviewers say

### Function Quiz

[App page](https://appshunter.io/ios/app/function-quiz/id6754361379)

**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 adaptive math practice for standardized exams and university-level courses. It generates unique problems, tracks mastery, and offers offline access for focused learning. Review mistakes and visualize concepts to build long-term retention.

**Highlights:** Algorithmically generated problems, Adaptive mastery-based progression, Mistake journal for review, Visual problem explanations, Offline access, Exam-specific problem sets

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Zen Premium — Weekly | $1.49 | per 7 days |
| Math Zen Premium — Monthly | $2.99 | per month |
| Math Zen Premium — Annual | $19.99 | per year |
| Math Zen Premium — Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Function Quiz free?

Function Quiz is free to download, with no in-app purchases.

### Is Math Zen free?

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

### Do Function Quiz or Math Zen have ads?

Function Quiz shows ads; Math Zen does not.

### Which is updated more often, Function Quiz or Math Zen?

Function Quiz ships an update daily, and Math Zen every 3 days. Most recently, Function Quiz was updated on September 28, 2026 and Math Zen on October 12, 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.*