# Kumon Audio vs Math Duel

The clearest difference is review sentiment: Math Duel at 83% against Kumon Audio's 0%. Math Duel also leads on rating (4.7 vs 2.3) and update cadence (every 3 weeks vs every 7 months). Kumon Audio's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Math Duel sells 4 in-app purchases, starting at $4.99 per 7 days. Kumon Audio asks for nothing beyond the download.

Math Duel holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: Math Duel has 426 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 0% of Kumon Audio's written reviews are positive against 83% of Math Duel's.

Kumon Audio ships an update every 7 months, Math Duel every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Kumon Audio | Math Duel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (16 ratings)](https://appshunter.io/ios/app/kumon-audio/id1552885126/reviews) | **[4.7 (426 ratings)](https://appshunter.io/ios/app/math-duel-imath-is-fun-math/id1615571732/reviews)** |
| Number of ratings | 16 | **426** |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 6 MB | 728 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kumon Europe & Africa Limited](https://appshunter.io/developer/1459274151) | [Math Games](https://appshunter.io/developer/1575398499) |

## What reviewers say

### Kumon Audio

[App page](https://appshunter.io/ios/app/kumon-audio/id1552885126)

This app provides audio content for students enrolled in Kumon English programs in Europe and Africa. It supports the development of vocabulary, grammar, and reading comprehension through listening exercises.

**Highlights:** Audio content for EFL students, Supports vocabulary development, Enhances grammar skills, Improves reading comprehension, Pronunciation practice, Word recognition support

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Duel

[App page](https://appshunter.io/ios/app/math-duel-imath-is-fun-math/id1615571732)

Learn math through engaging gameplay with cute characters and relaxing music. Practice writing numbers and master all four basic operations with over a thousand exercises. Enjoy an ad-free, stress-free learning environment designed for kids of all ages.

**Highlights:** Ad-free experience, Number writing practice, Over 1000 exercises, Addition, subtraction, multiplication, division, Cute chibi characters, Constant content updates

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Easy Math Game | $4.99 | per 7 days |
| Easy Math | $9.99 | per month |
| Easy Math | $24.99 | per month |
| Math Learner | $29.99 | per year |


## Frequently asked questions

### Is Kumon Audio free?

Kumon Audio is free to download, with no in-app purchases.

### Is Math Duel free?

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

### Which has better reviews, Kumon Audio or Math Duel?

Math Duel is rated higher. Kumon Audio averages 2.3 out of 5 from 16 ratings, while Math Duel averages 4.7 from 426 ratings.

### Do Kumon Audio or Math Duel have ads?

Neither Kumon Audio nor Math Duel shows ads.

### Which is updated more often, Kumon Audio or Math Duel?

Kumon Audio ships an update every 7 months, and Math Duel every 3 weeks. Most recently, Kumon Audio was updated on November 3, 2026 and Math Duel on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*