# Math Duel vs JFK Challenge

The clearest difference is in-app purchases: JFK Challenge at none against Math Duel's 1. JFK Challenge also leads on rating (4.9 vs 4.5) and review sentiment (75% vs 64%). Math Duel's advantage is update cadence (every 6 weeks vs every 14 months) and ratings volume (236 vs 31). On price, ads and monetization model there is nothing between them.

Both are free to download. Math Duel sells 1 one-off in-app purchase. JFK Challenge asks for nothing beyond the download.

JFK Challenge holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Math Duel has 236 ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 64% of Math Duel's written reviews are positive against 75% of JFK Challenge's.

Math Duel ships an update every 6 weeks, JFK Challenge every 14 months. The most recent releases landed on November 8, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Math Duel | JFK Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (236 ratings)](https://appshunter.io/ios/app/math-duel-multiplayer-battle/id495077699/reviews) | **[4.9 (31 ratings)](https://appshunter.io/ios/app/jfk-challenge/id957358011/reviews)** |
| Number of ratings | **236** | 31 |
| Positive reviews | 64.4% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 14 months |
| Monetization | Free | Free |
| Size | 86 MB | 770 MB |
| Requires iOS | 15.0 | **6.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ellie's Games, LLC](https://appshunter.io/developer/355986115) | [John Fitzgerald Kennedy Library Foundation Incorporated](https://appshunter.io/developer/957358010) |

## What reviewers say

### Math Duel

[App page](https://appshunter.io/ios/app/math-duel-multiplayer-battle/id495077699)

Engage in a fun, competitive math game for two players on a single device. Improve basic math skills and strategic thinking with customizable equations and modes. Ideal for classrooms or home practice, it encourages collaboration and personalized learning.

**Highlights:** Two-player split-screen mode, Single player practice, Customizable equations, Teacher-adjustable settings, Basic math skill improvement, Strategic thinking development

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $4.99 | one-time |

**What reviewers like**

- 👍 Great for practicing math facts
- 👨‍👩‍👧‍👦 Good for family/classroom competition
- 💡 Customizable difficulty levels
- 🧠 Effective for mental math skills
- 🎮 Fun and engaging gameplay

**What reviewers complain about**

- 🐛 Frequent crashing issues
- 📉 Multiplication and division not working well for some
- 🔢 Increments of 10 instead of 1 for numbers
- 🚫 No option to focus on specific timestables
- ❌ Inability to change operations/differentiation as advertised

**Reported bugs**

- App keeps crashing
- Multiplication doesn't work well
- Division problems cannot be solved due to lack of decimal key
- Settings button resets score
- App freezes timer in single player when settings is pressed

**Requested features**

- Ability to focus on specific timestables
- Option to change operations and differentiation
- Support for older iPads
- Return to increments of 1 for numbers
- Add decimal point for division


### JFK Challenge

[App page](https://appshunter.io/ios/app/jfk-challenge/id957358011)

Explore space missions and global aid efforts through interactive games. Kids can train for the Apollo 11 moon landing or serve as Peace Corps volunteers in Colombia, building essential infrastructure. Features kid-friendly animation, primary source materials, and personalized elements.

**Highlights:** Apollo 11 moon landing simulation, Peace Corps volunteer activities, Personalized photo integration, Over 10 games and activities, Archival primary sources, Kid-friendly animation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Duel free?

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

### Is JFK Challenge free?

JFK Challenge is free to download, with no in-app purchases.

### Which has better reviews, Math Duel or JFK Challenge?

JFK Challenge is rated higher. Math Duel averages 4.5 out of 5 from 236 ratings, while JFK Challenge averages 4.9 from 31 ratings.

### Do Math Duel or JFK Challenge have ads?

Neither Math Duel nor JFK Challenge shows ads.

### Which is updated more often, Math Duel or JFK Challenge?

Math Duel ships an update every 6 weeks, and JFK Challenge every 14 months. Most recently, Math Duel was updated on November 8, 2026 and JFK Challenge on November 1, 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.*