Comparison

Solar System Planets vs MathStack

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

Head to head
About

Solar System Planets

Explore our solar system with interactive 3D models and detailed information about each planet. Discover celestial bodies and uncover their secrets through a user-friendly interface, perfect for students and space enthusiasts alike.

Highlights
  • Interactive 3D solar system model
  • High-resolution planet imagery
  • Detailed planet information
  • User-friendly interface
  • Educational content
  • Celestial body exploration
Features
Read full description

Solar System Planets is designed to provide you with an unparalleled journey through the cosmos. Have you ever dreamt of traversing the vast expanses of space, visiting the planets of our solar system, and uncovering their secrets? Your dream has now become a reality, right at your fingertips. Solar System Planets is an interactive window into the universe. With its user-friendly interface and convenient navigation, users of all ages and backgrounds can embark on an educational and awe-inspiring adventure through our celestial neighborhood. Upon launching Solar System Planets, you're greeted by a visually captivating representation of the solar system. The app boasts high-resolution imagery of each planet, beautifully rendered to showcase their unique characteristics and breathtaking beauty. Whether you're a space enthusiast, a student, or simply curious about the cosmos, you'll find yourself immersed in an interface that's as easy to navigate as it is informative. The true magic of Solar System Planets lies in its interactive features. You can tap on any planet to delve deeper into its mysteries. From the scorching surface of Mercury to the icy landscapes of Neptune, each planet's detailed information is presented in a format that's both engaging and educational. Learn about their composition, orbital characteristics and interesting facts. In a world where learning and technology go hand in hand, Solar System Planets stands out as an exemplary educational tool. Whether you're using it for personal enrichment, as a supplement to your studies, or as a source of family-friendly entertainment, the app's dedication to accuracy and accessibility shines through. So, whether you're an aspiring astronomer, a lifelong learner, or someone who simply marvels at the wonders of the universe, Solar System Planets is the app you've been waiting for. Embark on a cosmic journey, tap into the depths of knowledge, and let the mysteries of the solar system unfold before your eyes. Get ready to explore, learn, and be inspired by the beauty that lies beyond our world. Privacy Policy: http://evgeniyasench.tilda.ws/privacypolicy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

MathStack

Features
Read full description

MathStack Kids - Where Maths Meets Mayhem! Turn maths practice into the highlight of your child's day. MathStack Kids is a Tetris-inspired puzzle game where falling blocks meet brain-bending math, designed from the ground up for kids aged 5 to 10. Stack the right answers. Bust through bosses. Climb the school leaderboard. Whether your child is just starting addition or mastering their times tables, MathStack Kids meets them at exactly the right level. WHY KIDS LOVES IT Fast, colourful Tetris-style gameplay they actually want to play Cute monster buddies to collect and unlock Power-ups that make tricky problems winnable: Freeze time, 50/50 hint, and Bomb Boss battles at the end of each world Five immersive worlds: Valley of Addition, Subtraction Peaks, Multiplication Meadow, Division Domain, and Algebra Academy School and friends leaderboards: race classmates today, this week, this month, or all-time WHY PARENTS LOVE IT Difficulty automatically tunes to your child's school year (Foundation to Year 6) COPPA-compliant: zero data collection, no accounts, no logins, no PII No third-party advertising. Ever. Works fully offline: perfect for road trips, planes, and waiting rooms Locked to portrait, large touch targets, age-appropriate UI Built-in parental gate: kids can't accidentally make purchases One-time $5.99 unlock for premium worlds. No subscriptions. No surprises. MADE FOR THE AUSTRALIAN CURRICULUM Number ranges, operations, and difficulty progression align with Foundation through Year 6 outcomes: Foundation to Year 1: Counting and basic addition Year 2 to 3: Subtraction and introduction to multiplication Year 4 to 5: Times tables fluency and introduction to division Year 6 and up: Algebra fundamentals Plus, kids can join their actual school from a database of 8,000+ Australian schools and compete on the school leaderboard. FEATURES AT A GLANCE 5 worlds, 30+ levels (more added regularly) Addition, subtraction, multiplication, division and algebra Adaptive difficulty matched to school year Power-ups: Freeze, 50/50, Bomb Boss levels with unique mechanics Friend codes and school leaderboards Time-based rankings: today, week, month, all-time Customisable buddy characters Profile editor with name, avatar, school, year level Statistics tracker: accuracy, streaks, best scores Sound effects and haptic feedback (toggleable) Full offline support FREE TO TRY Levels 1 to 3 are completely free, including the full Trainer mode. When your child is hooked, a single $5.99 in-app purchase unlocks every world, every level, the shop, and the leaderboards, forever. No subscriptions, no ads, no recurring charges. WHO MADE IT MathStack Kids is built by Gee IT Pty Ltd, an Australian software studio, with gameplay testing and design by 11-year-old Alaska, because the best children's games are designed with children, not just for them. SUPPORT Questions, feedback, or bug reports? Email us at hello@geeit.com.au and we read every message. Privacy Policy: https://geeit.com.au/mathstack/privacy

Screenshots

Solar System Planets4 screens
MathStack4 screens

Verdict

The call

Solar System Planets and MathStack are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Solar System Planets sells 3 in-app purchases, starting at $9.99 per month and MathStack sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Solar System Planets versus MathStack: the parameters behind the verdict, then further details
ParameterSolar System PlanetsMathStack
PriceFreeFree
Rating3.3 (10 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size150 MB75 MB
Age rating4+4+
DeveloperEvgeniya SenchurovaNicholas Gee

In-app purchases

3 purchases

Solar System Planets

Subscriptions3
  • One Month Premium Access3 Days trial$9.991 Month
  • Three Months Premium Access3 Days trial$19.993 Months
  • One Year Premium Access3 Days trial$24.991 Year
2 purchases

MathStack

One-time2
  • Mathstack Kids$3.99
  • Mathstack Unlimited$3.99

Questions

Is Solar System Planets free?
Solar System Planets is free to download, with in-app purchases available.
Is MathStack free?
MathStack is free to download, with in-app purchases available.
Do Solar System Planets or MathStack have ads?
Neither Solar System Planets nor MathStack shows ads.

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