Jellyfish Aquarium - Pet Game

Hiroki Yamada · Games

4.7 264 ratings Free

Independent analytics for this App Store listing. AppTracker is not affiliated with Hiroki Yamada.

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 30, 2026
Rating ★ 4.71 → 4.72
Aug 26, 2026
Rating ★ 4.7 → 4.71

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.

Average rating history over the observed period. 4.65 4.70 4.75 4.80 Aug 23 Sep 6 Sep 19 Oct 2 Oct 16

Average rating · ★ 4.72 now · 2 changes on record

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 85% 224
4★ 9% 24
3★ 2% 5
2★ 1% 3
1★ 3% 8

In-app purchases · US

No in-app purchases.

Screenshots

About

Over one million downloads worldwide! Introducing the 「Jellyfish」 to this already popular game! FREE DOWNLOAD! It's real easy to raise your own pet in this game!! ■Raise your own Jellyfish on your smartphone. ■Watch how cute your Jellyfish moves. It's so soothing and therapeutic. [Instructions] This is a virtual pet app where you can raise your very own Jellyfish on your smartphone. It`s so easy to raise. Just feed your pet once every four days and clean its home once a week. This game app is great for kids and people who find RPG's and puzzle games a bit tedious. Try this game out! It's therapeutic, and a great way to kill time! [Basic Functions] ・It's simple to raise. Just remember to feed you Jellyfish and clean its home. ・Like a real Jellyfish, it moves around in such an adorable way. ・You can call over your Jellyfish by tapping on the screen. Look at how adorable this is! ・You can give your Jellyfish a name. You can give it a new name at anytime. ・Your Jellyfish grows in realtime. The growth of your pet is calculated by every 0.5 second. ・The game records how much your pet has grown since the last time you visited it. ・You can take a picture of your Jellyfish with your mobile device and share it with your friends over various social networking sites. ・The app also can send you notifications to let you know when your pet needs feeding and cleaning. ・You can even transfer your pet's data to a new device so that you can keep the same pet even after you change your mobile device. ・All of these functions are free and do not require any microtransactions! [Recommended for:] ・people who have always wanted a Jellyfish or already have one and want a virtual Jellyfish to spend time with everywhere and at anytime ・people who love visiting the zoo and aquariums ・people who love raising virtual pets ・people who want a simple game to pass their free time with something fun

What's new · 5.0

- bug fixes.

Details

DeveloperHiroki Yamada
ReleasedOct 2015
UpdatedFeb 2023
Version5.0
Size132.3 MB
RequiresiOS 11.0 or later
Age rating4+
LanguagesChinese, English, French, German, Japanese, Korean, Spanish
PriceFree
Categories GamesLifestyleSimulationWord
Bundle IDjp.co.yamadapp.jellyfish