# Earth 3D vs Math Duel

The clearest difference is in-app purchases: Earth 3D at none against Math Duel's 1. Math Duel's advantage is review sentiment (64% vs 33%) and update cadence (every 2 months vs every 13 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Math Duel sells 1 one-off in-app purchase. Earth 3D asks for nothing beyond the download.

Math Duel holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Math Duel has 233 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 33% of Earth 3D's written reviews are positive against 64% of Math Duel's.

Earth 3D ships an update every 13 months, Math Duel every 2 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | Earth 3D | Math Duel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/earth-3d/id286927021/reviews) | **[4.5 (233 ratings)](https://appshunter.io/ios/app/math-duel-multiplayer-battle/id495077699/reviews)** |
| Number of ratings | 19 | **233** |
| Positive reviews | 33.0% of reviews | **64.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 230 MB | 86 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOLILAB](https://appshunter.io/developer/286927024) | [Ellie's Games, LLC](https://appshunter.io/developer/355986115) |

## What reviewers say

### Earth 3D

[App page](https://appshunter.io/ios/app/earth-3d/id286927021)

Explore a highly realistic 3D model of Earth, complete with dynamic clouds, storms, and atmospheric effects. Observe celestial bodies like the Moon and Sun against the backdrop of the Milky Way. This app offers a relaxing way to de-stress and appreciate the beauty of our planet.

**Highlights:** Realistic Earth with relief and clouds, Dynamic storm and shadow effects, Moon and Sun observation, Milky Way background, Interactive rotation and zoom, Multiple camera views

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

**In-app purchases:** none

**What reviewers like**

- 👍 Nice app
- 🚀 Great graphics
- 🌍 Beautiful representation of Earth
- 💡 Potential for more features

**What reviewers complain about**

- 🐛 Buggy after updates
- 🔋 Ads ruin the experience
- 🤔 Limited functionality
- 🤷‍♀ Pointless app

**Reported bugs**

- Buttons impossible to use after 8k update
- App doesn't work after iOS 2.0.1 update
- Blurry when zooming in
- Earth won't stop moving

**Requested features**

- Add more planets and solar system
- Real-time weather and cloud cover
- Ability to control rotation and zoom
- Accurate sun/moon positioning


### 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

**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


## Frequently asked questions

### Is Earth 3D free?

Earth 3D 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, Earth 3D or Math Duel?

Math Duel is rated higher. Earth 3D averages 4.3 out of 5 from 19 ratings, while Math Duel averages 4.5 from 233 ratings.

### Do Earth 3D or Math Duel have ads?

Neither Earth 3D nor Math Duel shows ads.

### Which is updated more often, Earth 3D or Math Duel?

Earth 3D ships an update every 13 months, and Math Duel every 2 months. Most recently, Earth 3D was updated on October 20, 2026 and Math Duel on October 20, 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.*