Comparison

Planet Fun vs The Moon

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

Head to head
About

Planet Fun

Explore a 4D solar system simulation with accurate astronomical calculations for planets, moons, and stars. Interact with the celestial bodies using touch gestures, set any date and time, and even view your GPS position in augmented reality.

Highlights
  • 4D solar system simulation
  • Configurable animation speed
  • Augmented reality mode
  • Almanac module with ephemeris calculators
  • Touch gesture controls
  • Star and constellation visualization
Features
Read full description

PlanetFun is a 4D solar system simulation (3D + time) Sun, planets, Moon and star positions are calculated using various astronomical methods. App source code (Delphi Firemonkey) is available at: https://github.com/omarreis/vsop2013 PlanetFun features: * Solar system animation with configurable speed * Set any local date and time * Choose camera target (Sun, planets, etc) * Configurable camera distance-to-target * Touch gestures: one finger pan, two finger zoom, two finger rotation * show planet orbits. Each orbit is represented by 52 dots (for Earth it is one dot per week) * Heliocentric axis (x and z) * VSOP2013 and VSOP87 planet position calculations * Moon positions calculations ELP2000 * Star background image with 42455 stars of the Hipparcos Input Catalogue * Star and constellation lines and names ( a celestial sphere image ) * Constellation drawings ( 31 constellations ) * actual 3D spheres for the 150 brightest stars * Lighthouse on Earth on your GPS position * phone in the scene is positioned according to phone sensors (Azimuth,Elevation,Roll) * click the phone button to enter augmented reality mode. * Almanac module allows exploring the ephemeris calculators (stars, planets, Sun, Moon, Earth) controls: * camera distance and angle of view. * planet scales * local time, time animation speed * control visibility of various interface elements * app uses sensors compass, gyro and GPS - requires permission This app collects no user data.

About

The Moon

Explore the moon with stunning realism and accuracy. This app provides real-time rendering of lunar phases, liberations, and orbital positions. Access a yearly calendar of moon phases and view the moon's location on an Earth map.

Highlights
  • Real-time moon rendering
  • Accurate lunar phase visualization
  • Intuitive time controller
  • Yearly moon phase calendar
  • Earth map with moon position
  • User-friendly interface
Features
Read full description

Experience the moon with detailed accuracy using The Moon - Simulation App. Designed for moon enthusiasts, astronomers, and anyone interested in our celestial neighbor, this app offers precise information and a user-friendly interface, allowing you to observe the moon in real-time. Key Features: - Real-Time Moon Rendering: Witness the moon's phases, liberations, and apogee/perigee with astonishing realism and accuracy. Use the intuitive time controller to seamlessly move forwards or backwards, witnessing the Moon's phases unfold continuously. Or, simply pick a specific date and time to jump to using the time picker. - High Realism and User-Friendly Interface: The Moon app is designed to provide the highest level of realism, ensuring accurate depictions of the moon's behavior while maintaining an intuitive and easy-to-navigate interface. - Yearly Moon Phase Calendar: Select any year to view a detailed list of significant moon phases (full, new, half), along with the precise date and time of each phase. Click on any event to jump to that specific time instance. Also, explore moon's maximum declination and apogee/perigee (maximum distances) effortlessly. - Earth Map with Moon Position: View the moon's current overhead position on the map. You can also select your location to see the parallactic angle of the moon phase, offering a unique perspective based on your geographic location.

Screenshots

Planet Fun4 screens
The Moon4 screens

Verdict

The call

The clearest difference is in-app purchases: Planet Fun at none against The Moon's 1. Planet Fun also leads on update cadence (every 4 weeks vs every 6 months). On price, rating, ratings volume and ads 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. The Moon sells 1 one-off in-app purchase. Planet Fun asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

The Moon holds the better App Store score, 4.9 against 4.8. Both are backed by a comparable volume of ratings — 8 and 14 respectively.

UpkeepUpdate frequency

Planet Fun ships an update every 4 weeks, The Moon every 6 months. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Planet Fun versus The Moon: the parameters behind the verdict, then further details
ParameterPlanet FunThe Moon
PriceFreeFree
Rating4.8 (8 ratings)4.9 (14 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings814 — better
Update frequencyEvery 4 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size161 MB81 MB
Age rating4+4+
DeveloperOmar reisOthman Alzahrani

Customer experience

Planet Fun

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%

The Moon

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Planet Fun

No in-app purchases

1 purchases

The Moon

One-time1
  • Support The Moon App$0.99

Questions

Is Planet Fun free?
Planet Fun is free to download, with no in-app purchases.
Is The Moon free?
The Moon is free to download, with in-app purchases available.
Which has better reviews, Planet Fun or The Moon?
The Moon is rated higher. Planet Fun averages 4.8 out of 5 from 8 ratings, while The Moon averages 4.9 from 14 ratings.
Do Planet Fun or The Moon have ads?
Neither Planet Fun nor The Moon shows ads.
Which is updated more often, Planet Fun or The Moon?
Planet Fun ships an update every 4 weeks, and The Moon every 6 months. Most recently, Planet Fun was updated on June 4, 2026 and The Moon on September 20, 2026.

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