# Math 123 vs Math Duel

The clearest difference is monetization model: Math 123 at free with in-app purchases against Math Duel's subscription. Math 123 also leads on review sentiment (100% vs 83%) and update cadence (every 9 days vs every 3 weeks). Math Duel's advantage is ads (none vs shown) and ratings volume (426 vs 8). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Math 123 sells 3 in-app purchases, starting at $7.99 per 7 days and Math Duel sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Math 123 holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Math Duel has 426 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 100% of Math 123's written reviews are positive against 83% of Math Duel's.

Math 123 ships an update every 9 days, Math Duel every 3 weeks. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Math 123 | Math Duel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/math-123-fun-math-learner/id1503114094/reviews)** | [4.7 (426 ratings)](https://appshunter.io/ios/app/math-duel-imath-is-fun-math/id1615571732/reviews) |
| Number of ratings | 8 | **426** |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 119 MB | 728 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [灵辉 曾](https://appshunter.io/developer/1477782067) | [Math Games](https://appshunter.io/developer/1575398499) |

## What reviewers say

### Math 123

[App page](https://appshunter.io/ios/app/math-123-fun-math-learner/id1503114094)

This app makes learning math fun and engaging for children and adults alike. It offers a variety of games covering basic arithmetic, fractions, and more, helping users improve their math skills through interactive challenges and a pet customization feature.

**Highlights:** Counting and number sequence learning, Addition, subtraction, multiplication, division, Fractions and decimals, Shape identification, Pet customization mode, Scientifically proven learning methods

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP Membership | $7.99 | per 7 days |
| Monthly VIP Membership | $14.99 | per month |
| Yearly VIP Membership | $39.99 | per year |


### 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 (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Easy Math Game | $4.99 | per 7 days |
| Easy Math Game | $9.99 | per 7 days |
| Easy Math | $9.99 | per month |
| Easy Math | $24.99 | per month |
| Math Learner | $29.99 | per year |
| Math Games | $299.99 | one-time |


## Frequently asked questions

### Is Math 123 free?

Math 123 is free to download, with in-app purchases available.

### Is Math Duel free?

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

### Which has better reviews, Math 123 or Math Duel?

Math 123 is rated higher. Math 123 averages 4.9 out of 5 from 8 ratings, while Math Duel averages 4.7 from 426 ratings.

### Do Math 123 or Math Duel have ads?

Math 123 shows ads; Math Duel does not.

### Which is updated more often, Math 123 or Math Duel?

Math 123 ships an update every 9 days, and Math Duel every 3 weeks. Most recently, Math 123 was updated on September 29, 2026 and Math Duel on September 26, 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.*