Comparison

Earth 3D vs Math Duel

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Earth 3D

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
Read full description

Enjoy our living Earth, with the Moon and the Sun drifting against the backdrop of the Milky Way. A truly relaxing way to slow down and find calm in a stressful moment. A strikingly realistic Earth : - Terrain relief, clouds with relief, shadows and altitude - Night side glowing with city lights, softly diffused through the clouds - Storm cells animating in the clouds on the night side - Sun reflections on the oceans, eclipses and sun masking - Atmospheric scattering around the globe - A detailed Moon with relief, eclipses, and its shadow cast on Earth - All of it set against the Milky Way and the real night sky - A perfect way to reconnect with the quiet beauty of our world. Tailored to your device: the level of detail and visual effects automatically scale to your device — the more powerful it is, the richer and sharper the experience. Controls : - Drag with one finger to rotate around the Earth; pinch with two fingers to zoom. - Switch camera modes with the top-right buttons: free, orbital, or geostationary. - Pause the animation with the top-left button — then breathe in, and breathe out. - Hold the bottom-right button to speed up time. Take care of yourself, your family and friends — and of our Mother Earth !

About

Math Duel

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
Read full description

Math Duel - 2 Player Math Game Challenge a friend or go solo! Math Duel is the ultimate split-screen math game for kids, students, and classrooms. Two players compete head-to-head on the same device, making math practice fast, fun, and competitive. Perfect for Schools and Home Learning. Used by teachers worldwide, Math Duel turns math drills into exciting duels. Customize difficulty for each player independently, ideal for differentiated instruction and personalized learning. Why Kids and Teachers Love Math Duel: - 1 or 2 players on one device, no extra hardware needed - Split-screen mode built for tablets and phones - Customizable equations for addition, subtraction, multiplication and division - Adjustable difficulty per player, great for mixed-ability classrooms - Positive reinforcement keeps students motivated - Frustration-free design for all skill levels - Trusted with over 1 million games played Built for the Classroom, Fun Enough for Home. Whether it's math fact fluency practice, a classroom warm-up, or friendly competition at home, Math Duel makes arithmetic engaging for all ages. Students sharpen mental math skills without even realizing they're learning. Great for: - Elementary and middle school students - Teachers looking for EdTech tools - Parents seeking educational games for kids - Homeschool families Have a feature idea? Share it directly with Erik, the developer, from inside the app!

Screenshots

Earth 3D3 screens
Math Duel4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard5 real differences · 5 level
Earth 3D versus Math Duel: the parameters behind the verdict, then further details
ParameterEarth 3DMath Duel
PriceFreeFree
Rating4.3 (19 ratings)4.5 (233 ratings) — better
Positive reviews33.0% of reviews64.4% of reviews — better
Number of ratings19233 — better
Update frequencyEvery 13 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size230 MB86 MB
Age rating4+4+
DeveloperSOLILABEllie's Games, LLC

Customer experience

Earth 3D

All ratings19 ratings
Positive78.9%
Neutral5.3%
Negative15.8%
Written reviews587 reviews
Positive33.0%
Neutral15.3%
Negative51.6%

Math Duel

All ratings232 ratings
Positive87.9%
Neutral3.4%
Negative8.6%
Written reviews59 reviews
Positive64.4%
Neutral10.2%
Negative25.4%

User reviews

Earth 3D

From 19 App Store ratings

What we love

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

Room to improve

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

Math Duel

From 233 App Store ratings

What we love

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

Room to improve

  • 🐛 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

Bugs and requests

Earth 3D

Reported bugs

4 issues
  • 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

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

Math Duel

Reported bugs

8 issues
  • 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
Show 3 more
  • Division rounds down, teaching incorrect math
  • Paid app contains ads
  • App keeps cutting off

Requested features

14 requests
  • 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
Show 9 more
  • Option to give both opponents the same problems
  • Button to go back to menu
  • Button to restart in menu
  • Option for number of questions to win
  • Pause or stop button
  • Online mode
  • Ability to disable sound
  • Round to the tenths place
  • Spinner for difficulty control

In-app purchases

None

Earth 3D

No in-app purchases

1 purchases

Math Duel

One-time1
  • Unlock All Features$4.99

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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