# Cool Math Flash Cards vs Math Duel

The clearest difference is monetization model: Cool Math Flash Cards at free with in-app purchases against Math Duel's subscription. Cool Math Flash Cards also leads on ratings volume (1.9K vs 426) and iOS requirement (13.0 vs 15.0). Math Duel's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Cool Math Flash Cards sells 5 one-off in-app purchases 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 Duel holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 1.9K and 426 respectively. Written reviews point the same way: 73% of Cool Math Flash Cards's written reviews are positive against 83% of Math Duel's.

Cool Math Flash Cards ships an update every 4 months, Math Duel every 3 weeks. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Cool Math Flash Cards | Math Duel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.9K ratings)](https://appshunter.io/ios/app/cool-math-flash-cards/id1159852913/reviews) | **[4.7 (426 ratings)](https://appshunter.io/ios/app/math-duel-imath-is-fun-math/id1615571732/reviews)** |
| Number of ratings | **1.9K** | 426 |
| Positive reviews | 72.5% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 106 MB | 728 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Corey Smith](https://appshunter.io/developer/1070099434) | [Math Games](https://appshunter.io/developer/1575398499) |

## What reviewers say

### Cool Math Flash Cards

[App page](https://appshunter.io/ios/app/cool-math-flash-cards/id1159852913)

Master math facts with adaptive challenges and global leaderboards. Practice addition, subtraction, multiplication, and division with customizable problem types and colorful backgrounds. Compete with friends and the world to improve your math skills.

**Highlights:** Adaptive difficulty, Addition, subtraction, multiplication, division, Smart multiple choice answers, Toggle multiples/problem types, Global leaderboards, 5 background colors

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Progress Report | $0.99 | one-time |
| Specific Numbers | $0.99 | one-time |
| Mixed Operations | $0.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Unlock All | $4.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging math practice
- 🚀 Helps improve math skills quickly
- 💡 Customizable background colors
- 🙌 Effective for learning math facts

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔊 Negative sound effects when getting answers wrong
- 💰 Ads can be disruptive for young users
- 🤔 Limited options to focus on specific math areas

**Reported bugs**

- Scores sometimes reset to zero after a wrong answer
- Specific number practice option not working as expected
- Ads with inappropriate content showing up for young users

**Requested features**

- Add reading, science, and writing sections
- Implement a timed test mode
- Allow users to save their own high scores
- Provide an option to disable the negative sound effects


### 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 Cool Math Flash Cards free?

Cool Math Flash Cards 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, Cool Math Flash Cards or Math Duel?

Math Duel is rated higher. Cool Math Flash Cards averages 4.5 out of 5 from 1.9K ratings, while Math Duel averages 4.7 from 426 ratings.

### Do Cool Math Flash Cards or Math Duel have ads?

Cool Math Flash Cards shows ads; Math Duel does not.

### Which is updated more often, Cool Math Flash Cards or Math Duel?

Cool Math Flash Cards ships an update every 4 months, and Math Duel every 3 weeks. Most recently, Cool Math Flash Cards was updated on October 19, 2026 and Math Duel on October 14, 2026.

---

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