Comparison

Planet Rotation vs UnivMap

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

Head to head
About

Planet Rotation

Features
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The screen at startup is the earth.The equatorial inclination angle of the earth is 23.4 degrees.Equatorial inclination angle is the angle between the equatorial plane and the orbital plane of a planet that revolves while rotating. The equatorial inclination angle of the mercury is 0.027 degrees.The rotation axis is upright almost vertically. The equatorial inclination angle of the venus is 177.36 degrees.The rotation axis is almost completely inverted, and it rotates in the opposite direction. The equatorial inclination angle of the mars is 25 degrees.The axis of rotation is a gradient close to the earth. You can change the rotation speed of the planet.The equatorial inclination angle of the jupiter is 3.08 degrees.The rotation axis is upright almost vertically. When you press the button, the angle of the sun changes by 30 degrees each time. The fastest thing is one revolution per second.The slowest thing is one rotation in 300 seconds (5 minutes). When checked, reverse rotation will occur.

About

UnivMap

Features
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UnivMap is a navigation app. Search for places, get directions, and check your estimated time of arrival. -Search Type in where you want to go. Alpha Centauri, the Orion Nebula, or that black hole at the center of the galaxy. -Directions Starting from your current location, UnivMap works out the distance and arrival time โ€” and kindly routes you around interstellar pirates and high-radiation zones. To Voyager 1: 25.599 billion km, about 23 hr 43 min at the speed of light. It never stops moving, so we time it just right โ€” it reaches the destination to meet you the moment you arrive. -Choose how you travel Rocket, car, bike, or on foot โ€” take your pick. Drive to Mars and the route card will warn you it's uphill the whole way. -Save your places Set your Home and Work, and get directions home with a single tap. -Reviews Every place has ratings and reviews. The Moon currently holds 5.0 stars across three reviews โ€” one visitor wrote: "That's one small step for a man, one giant leap for mankind." -Works offline No connection required. No data collected. -Search galaxies, get directions, check your ETA. The nearest neighbor is over four years away โ€” pack snacks.

Screenshots

Planet Rotation4 screens
UnivMap4 screens

Verdict

The call

The clearest difference is price: UnivMap at Free against Planet Rotation's $0.99. UnivMap also leads on update cadence (every 9 days vs every 10 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

UnivMap is free to download; Planet Rotation costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Planet Rotation ships an update every 10 months, UnivMap every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences ยท 4 level
Planet Rotation versus UnivMap: the parameters behind the verdict, then further details
ParameterPlanet RotationUnivMap
Price$0.99Free โ€” better
Update frequencyEvery 10 monthsEvery 9 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size41 MB31 MB
Age rating4+4+
DeveloperMasahiro Tomosadaๅฎ‡่ผ่ณ‡่จŠๆœ‰้™ๅ…ฌๅธ

In-app purchases

None

Planet Rotation

No in-app purchases

None

UnivMap

No in-app purchases

Questions

Is Planet Rotation free?
Planet Rotation costs $0.99, with no in-app purchases.
Is UnivMap free?
UnivMap is free to download, with no in-app purchases.
Do Planet Rotation or UnivMap have ads?
Neither Planet Rotation nor UnivMap shows ads.
Which is updated more often, Planet Rotation or UnivMap?
Planet Rotation ships an update every 10 months, and UnivMap every 9 days. Most recently, Planet Rotation was updated on November 3, 2026 and UnivMap on October 31, 2026.

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