Comparison

Slime VR vs Planetarium VR

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

Head to head
About

Slime VR

Experience bouncy slimes in a virtual reality environment. Rotate your device to view them, or use a VR box for an immersive 3D experience. Capture photos with slimes and even have them follow detected faces.

Highlights
  • 3D VR viewing
  • Face detection for slime interaction
  • Photo capture with slimes
  • Texture selection for slimes and fields
  • Multi-device view synchronization
  • iCloud save/load integration
Read full description

Slime VR is a VR app of bouncy slimes. You can watch bouncing slimes around you by rotating your iOS device. You can switch to side by side mode by tapping switch icon(right bottom icon). And you can watch slimes in 3D using a VR box for iPhone. You can also take photos(right top icon) with slimes. Front and back camera overlay is supported. By tapping face icon(right middle), you can turn on face detection. Slimes will follow faces!! This app is viewing only, no growing. If you want to take care and grow slimes, please download the original version of "Slime!!". You can also let slimes in "Slime!!" play in Slime VR via iCloud save/load function. You can select texture images for slimes and fields by tapping texture icons. You can sync views on multiple devices by tapping sync icon at the same time.

About

Planetarium VR

Explore the night sky with this virtual planetarium. Using your device's GPS and sensors, you can identify constellations and over 3000 stars. It supports VR Cardboard for an immersive experience and offers options for viewing the sky in different scenarios.

Highlights
  • View over 3000 stars
  • Identify 88 constellations
  • Uses GPS and advanced sensors
  • Cardboard VR support
  • Simulates diurnal motion
  • Adjustable viewing locations
Read full description

have a view of Starry sky over a device "Planetarium VR" is using gps and advanced sensor. Only holding the device in the sky, you can see the constellations. "Planetarium VR" is "Cardboard" supported. "Planetarium VR" is equipped with a variety of options. -view the starry sky in the waterside. -Best in a dark place. ■function -stellar to be displayed more than 3000. -using gps and advanced sensor. -Display all of the stars and constellations, apply regardless of the Northern Hemisphere or the Southern Hemisphere. -Display 88 kinds of constellations -"Cardboard" supported. ■Option "Planetarium VR" is equipped with a variety of options. 【constellations】 It appears constellation near the starry sky that looked up. 【Diurnal motion】 advance the time in 15-second intervals. 【Waterside】 view the starry sky in the waterside. 【Night】 Best in a dark place. 【Location】 Using a GPS, calculate the starry sky and the constellation position of the current location.

Screenshots

Slime VR4 screens
Planetarium VR4 screens

Verdict

The call

The clearest difference is in-app purchases: Slime VR at none against Planetarium VR's 1. Slime VR also leads on review sentiment (75% vs 41%) and device support (4 vs 2). Planetarium VR's advantage is ads (none vs shown) and rating (3.0 vs 2.8). On price, ratings volume and update cadence 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. Planetarium VR sells 1 one-off in-app purchase. Slime VR asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Planetarium VR holds the better App Store score, 3.0 against 2.8. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews complicate that: 75% of Slime VR's written reviews are positive against 41% of Planetarium VR's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Slime VR ships an update every 4 months, Planetarium VR every 6 months. Both last shipped on October 24, 2026.

Scorecard7 real differences · 3 level
Slime VR versus Planetarium VR: the parameters behind the verdict, then further details
ParameterSlime VRPlanetarium VR
PriceFreeFree
Rating2.8 (8 ratings)3.0 (5 ratings) — better
Positive reviews75.0% of reviews — better41.2% of reviews
Number of ratings8 — better5
Update frequencyEvery 4 months — betterEvery 6 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size47 MB141 MB
Age rating4+4+
DeveloperKENSHI DOITaosoftware Inc.

Customer experience

Slime VR

All ratings8 ratings
Positive37.5%
Neutral12.5%
Negative50.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Planetarium VR

Written reviews17 reviews
Positive41.2%
Neutral5.9%
Negative52.9%

In-app purchases

None

Slime VR

No in-app purchases

1 purchases

Planetarium VR

One-time1
  • Solar system planets$1.99

Questions

Is Slime VR free?
Slime VR is free to download, with no in-app purchases.
Is Planetarium VR free?
Planetarium VR is free to download, with in-app purchases available.
Which has better reviews, Slime VR or Planetarium VR?
Planetarium VR is rated higher. Slime VR averages 2.8 out of 5 from 8 ratings, while Planetarium VR averages 3.0 from 5 ratings.
Do Slime VR or Planetarium VR have ads?
Slime VR shows ads; Planetarium VR does not.
Which is updated more often, Slime VR or Planetarium VR?
Slime VR ships an update every 4 months, and Planetarium VR every 6 months. Most recently, Slime VR was updated on October 24, 2026 and Planetarium VR on October 24, 2026.

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