# 99math vs ZapMath!

The clearest difference is rating: ZapMath! at 5.0 against 99math's 3.8. ZapMath! also leads on in-app purchases (none vs 15) and update cadence (every 5 days vs every 5 weeks). 99math's advantage is ratings volume (155 vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 99math sells 15 in-app purchases, starting at $9.99 per month. ZapMath! asks for nothing beyond the download.

ZapMath! holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: 99math has 155 ratings behind it against 4, so its average is the more settled of the two.

99math ships an update every 5 weeks, ZapMath! every 5 days. The most recent releases landed on September 21, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | 99math | ZapMath! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (155 ratings)](https://appshunter.io/ios/app/99math-master-math-facts/id6472210505/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/zapmath/id6746381854/reviews)** |
| Number of ratings | **155** | 4 |
| Positive reviews | 47.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 301 MB | 16 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [99math OÜ](https://appshunter.io/developer/1720659494) | [Steven Engelbrecht](https://appshunter.io/developer/1812295166) |

## What reviewers say

### 99math

[App page](https://appshunter.io/ios/app/99math-master-math-facts/id6472210505)

This app makes math practice fun and engaging for children in grades 1-6 through gamified exercises. It offers interactive learning with real-time feedback, rewards, and customizable elements to keep kids motivated. The app also supports classroom assignments and remote learning.

**Highlights:** Gamified math practice, Interactive learning with feedback, Collectibles and rewards system, Classroom and assignment features, Customizable avatars and pets, Tailored to grades 1-6

**Features:** macOS Compatibility

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pass | $9.99 | per month |
| Monthly Pass | $9.99 | per month |
| Yearly Pass | $59.99 | per year |
| mBucks 20 pack | $1.99 | one-time |
| mBucks 40 pack | $3.99 | one-time |
| mBucks 84 pack | $7.99 | one-time |
| mBucks 88 pack | $7.99 | one-time |
| mBucks 2100 pack | $9.99 | one-time |
| mBucks 200 pack | $17.99 | one-time |
| mBucks 4500 pack | $19.99 | one-time |
| mBucks 260 pack | $19.99 | one-time |
| mBucks 7600 pack | $29.99 | one-time |
| mBucks 500 pack | $39.99 | one-time |
| mBucks 1330 pack | $49.99 | one-time |
| Math Pass lifetime | $149.99 | one-time |


### ZapMath!

[App page](https://appshunter.io/ios/app/zapmath/id6746381854)

This app makes math practice engaging for K-5 students with adaptive difficulty and fun learning modes. It covers essential arithmetic operations and provides instant feedback to build confidence. Designed by a parent, it prioritizes a safe and distraction-free learning environment.

**Highlights:** Adaptive difficulty levels, Addition, subtraction, multiplication, division, percentages, fractions, Multiple choice and direct entry modes, Zen Mode for untimed practice, Instant feedback with haptic responses, Detailed results and progress tracking, 100% safe and free

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 99math free?

99math is free to download, with in-app purchases available.

### Is ZapMath! free?

ZapMath! is free to download, with no in-app purchases.

### Which has better reviews, 99math or ZapMath!?

ZapMath! is rated higher. 99math averages 3.8 out of 5 from 155 ratings, while ZapMath! averages 5.0 from 4 ratings.

### Do 99math or ZapMath! have ads?

Neither 99math nor ZapMath! shows ads.

### Which is updated more often, 99math or ZapMath!?

99math ships an update every 5 weeks, and ZapMath! every 5 days. Most recently, 99math was updated on September 21, 2026 and ZapMath! on July 5, 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.*