Comparison

Multiplanetary Life vs Heliosphere

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

Head to head
About

Multiplanetary Life

Explore the planets of our Solar System with interactive quizzes and detailed descriptions. Learn about notable rockets and rovers, making astronomy engaging for young learners.

Highlights
  • Planet exploration
  • Interactive quizzes
  • Detailed descriptions
  • Rocket information
  • Rover information
  • Solar System learning
Features
Read full description

All in one space app that teaches all about the different planets in our Solar System, notable rockets, and rovers. Each planet has integrated quizzes, detailed descriptions and much more. This app is great for kids to learn more about Astronomy. Download this app if you want to learn more about: -Space -Physics -Rocket Engineering Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Private Policy: https://www.termsfeed.com/live/34638907-a7f9-4835-9c96-d633070e66b2

About

Heliosphere

Explore a real-time 3D simulation of the solar system, planets, moons, and spacecraft using accurate astronomical data. Learn about celestial bodies and space missions with educational content and quizzes.

Highlights
  • Real-time 3D solar system simulation
  • Live spacecraft tracking
  • Deep sky exploration
  • Comprehensive astronomy education
  • Time travel from 1900 to 2100
  • Planet-centric viewing mode
Features
Read full description

Explore the solar system at your fingertips. Heliosphere is a real-time 3D solar system simulation powered by NASA JPL Horizons data. It accurately recreates the orbits of planets, moons, comets, and dwarf planets while tracking the real positions of active spacecraft. * Real-time 3D Solar System Simulation — 8 planets, 5 dwarf planets, 10+ moons, and 4 comets — Precise Keplerian orbit calculations based on real astronomical data — Time travel from 1900 to 2100 — Pan, zoom, and rotate for a free-roaming perspective — Switch to planet-centric viewing mode * Live Spacecraft Tracking — Voyager 1, 2 | Pioneer 10, 11 — Cassini | Juno | New Horizons | Parker Solar Probe — Real position data from NASA JPL Horizons API * Deep Sky Exploration — Over 150 bright stars — 530 Milky Way stars — 124 deep-sky objects (Messier, NGC/IC catalogs) * Comprehensive Astronomy Education — 6 difficulty levels from middle school to graduate — Core concepts: Kepler's Laws, gravity, escape velocity, and more — Mission timelines for Voyager, Cassini, New Horizons, and others — 60+ quiz questions to test your knowledge — Historical space event date-guessing challenges * Free for Everyone — All content available at no cost — No ads — 11 languages supported Experience the beauty of the cosmos and the wonder of science through scientifically accurate data and intuitive interaction.

Screenshots

Multiplanetary Life4 screens
Heliosphere4 screens

Verdict

The call

The clearest difference is review sentiment: Multiplanetary Life at 100% against Heliosphere's 50%. Multiplanetary Life also leads on rating (4.6 vs 3.0) and in-app purchases (none vs 3). Heliosphere's advantage is update cadence (every 3 days vs every 3 months) and device support (3 vs 1). On price, ratings volume, ads and monetization model 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. Heliosphere sells 3 one-off in-app purchases. Multiplanetary Life asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Multiplanetary Life holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 100% of Multiplanetary Life's written reviews are positive against 50% of Heliosphere's.

UpkeepUpdate frequency

Multiplanetary Life ships an update every 3 months, Heliosphere every 3 days. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Multiplanetary Life versus Heliosphere: the parameters behind the verdict, then further details
ParameterMultiplanetary LifeHeliosphere
PriceFreeFree
Rating4.6 (5 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings5 — better2
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, Vision Pro — better
Requires iOS16.2 — better18.0
Further details — not scored
Size56 MB37 MB
Age rating17+4+
DeveloperMarcus GrantCHUNGKIL KIM

Customer experience

Multiplanetary Life

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Heliosphere

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Multiplanetary Life

No in-app purchases

3 purchases

Heliosphere

One-time3
  • 1 Coffee$2.99
  • 3 Coffees$8.99
  • 5 Coffees$14.99

Questions

Is Multiplanetary Life free?
Multiplanetary Life is free to download, with no in-app purchases.
Is Heliosphere free?
Heliosphere is free to download, with in-app purchases available.
Which has better reviews, Multiplanetary Life or Heliosphere?
Multiplanetary Life is rated higher. Multiplanetary Life averages 4.6 out of 5 from 5 ratings, while Heliosphere averages 3.0 from 2 ratings.
Do Multiplanetary Life or Heliosphere have ads?
Neither Multiplanetary Life nor Heliosphere shows ads.
Which is updated more often, Multiplanetary Life or Heliosphere?
Multiplanetary Life ships an update every 3 months, and Heliosphere every 3 days. Most recently, Multiplanetary Life was updated on October 24, 2026 and Heliosphere on October 24, 2026.

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