Comparison

Tropical Fish Tank vs Idle Sea Park

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

Head to head
About

Tropical Fish Tank

Easily maintain a virtual freshwater tropical fish tank on your smartphone. Enjoy beautiful 3D graphics of fish and plants, with simple controls for feeding and cleaning. Includes a clock mode and a notification system to help you remember daily care.

Highlights
  • Realistic 3D fish and plant graphics
  • Simple swipe and tap controls
  • Table clock mode
  • Earn points for fish care
  • Unlock new fish with points
  • Adjustable fish population
  • Background music and notifications
Features
Read full description

You can easily keep freshwater tropical fish in your smartphone. Enjoy looking at the beautiful fish and aquatic plants. In clock mode, you can enjoy it as a substitute for a table clock. After cleaning and feeding, all you have to do is look at the fish. Even people who do not have time can easily raise tropical fish. Let’s take care of the fish once a day. Even if you forget to take care of it, the fish are fine. FEATURES • Amazing 3D graphics • Simple Control. Swipe to cleaning, tap to feed. • There is a table clock mode • If you take care of fish, you will get points • You can add new fish by points • You can adjust number of fish • Comfortable background music • There is a notification function so that you do not forget to feed TYPE OF FISH AND SHRIMPS • Neon Tetra • Cardinal Tetra • Rummy Nose Tetra • Glow Light Tetra • Green Neon Tetra • Albino Neon Tetra • Black Phantom Tetra • Red Phantom Tetra • Rasbora Espei • Boraras Brigittae • Eyespot Rasbora • Microdevario kubotai • Galaxy Rasbora • German Blue Ramirezi • Electric Blue Ramirezi • Golden Honey Dwarf Gourami • Cobalt Blue Dwarf Gourami • Sunset Dwarf Gourami • Wild Cherry Shrimp • Red Cherry Shrimp • Yellow Cherry Shrimp • Blue Velvet Shrimp • Crystal Red Shrimp • Snowball Shrimp • Corydoras Sterbai • Corydoras Panda • Corydoras Adolfoi • Albino Corydoras • Red Platy • Sunset Platy • White Mickey Mouse Platy • Red Top Mickey Mouse Platy • Apistogramma Agassizii Double Red • Apistogramma Agassizii Fire Red • Dwarf Puffer PAID FEATURES • 10 background images • 7 background musics • Automatic feeding • No Ads Recommended for people who •want to keep pets but cannot •are not good at games •like taking care of living things •is tired from work, study, child care

About

Idle Sea Park

Build and manage your own underwater world by creating a diverse aquarium. Feed your fish, attract visitors, and expand your park with various sea creatures to become an aquarium tycoon.

Highlights
  • Build and expand aquariums
  • Collect diverse fish and sea life
  • Feed and care for aquatic animals
  • Attract and satisfy visitors
  • Decorate and enhance park
  • Increase earnings and park rating
Features
Read full description

Welcome to Idle Sea Park Tycoon! Immerse yourself in the fascinating underwater world by building an aquarium filled with a diverse array of fish species. Keep your fish happy and healthy by tapping the fish tank to feed them. As a skilled tycoon, expand your aquarium to increase your earnings and grow your empire! ● START SMALL & EXPAND Dive into the exciting world of fish tycoonery! Start by building a small aquarium park where visitors can admire your colorful fishy friends. Keep your finger tapping to stay on top of your customer’s needs, with strategic planning, your fish tank empire will flourish, and you'll be on your way to becoming a famous fish tycoon! ● ATTRACT VISITORS Decorate and enhance your Sea Park to create an aquarium paradise that delights both your fishy friends and your customers. Remember, happy customers and happy fish mean more progress for your thriving aquarium business! ● BIGGER ANIMALS – ORCAS, TURTLES, SHARKS! Develop your Sea Park and showcase a diverse array of aquatic life! From otters to penguins, lobsters to dolphins, tap your way to success as you catch and feed an incredible variety of sea life from the ocean! ● IMPROVE YOUR PARK RATING! Buy new attractions and expand your aquarium and accommodate even more fascinating aquatic life! With strategic tapping, improve your profits, and become the ultimate tycoon of the aquarium world!

Screenshots

Tropical Fish Tank4 screens
Idle Sea Park4 screens

Verdict

The call

Tropical Fish Tank and Idle Sea Park both sit at 4.7 stars, but that hides the real split: 82% of Tropical Fish Tank's written reviews are positive against 58% of Idle Sea Park's. Idle Sea Park's advantage is update cadence (every 3 weeks vs every 2 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. Tropical Fish Tank sells 1 one-off in-app purchase and Idle Sea Park sells 14 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Tropical Fish Tank against 4.7 for Idle Sea Park. Both are backed by a comparable volume of ratings — 612 and 923 respectively. Written reviews are what separate them: 82% of Tropical Fish Tank's written reviews are positive against 58% of Idle Sea Park's.

UpkeepUpdate frequency

Tropical Fish Tank ships an update every 2 months, Idle Sea Park every 3 weeks. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 8 level
Tropical Fish Tank versus Idle Sea Park: the parameters behind the verdict, then further details
ParameterTropical Fish TankIdle Sea Park
PriceFreeFree
Rating4.7 (612 ratings)4.7 (923 ratings)
Positive reviews81.8% of reviews — better58.3% of reviews
Number of ratings612923 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size127 MB413 MB
Age rating4+4+
DeveloperHimitsu Lab Inc.Playstack Ltd

Customer experience

Tropical Fish Tank

All ratings612 ratings
Positive91.5%
Neutral5.2%
Negative3.3%
Written reviews66 reviews
Positive81.8%
Neutral7.6%
Negative10.6%

Idle Sea Park

All ratings923 ratings
Positive92.2%
Neutral3.3%
Negative4.6%
Written reviews103 reviews
Positive58.3%
Neutral9.7%
Negative32.0%

Bugs and requests

Tropical Fish Tank

Reported bugs

4 issues
  • Game glitches at random times
  • Fish occasionally disappear off-screen
  • Frozen or non-functional ads
  • Menu buttons remain visible after purchase

Requested features

20 requests
  • Multiple aquarium tanks
  • More fish species (Bettas, Angelfish, Discus, Mollies, Rainbow Sharks, Guppies, Gouramis, Cichlids, Goldfish, Danios, Swordtails, Parrots, Plecos, Barbels, Corydoras varieties, Snails, Shrimp varieties)
  • Landscape/horizontal orientation mode
  • Ability to sell or remove fish
  • Physical decorations and tank customization (rocks, driftwood, plants placement)
Show 15 more
  • Animated water plants and flowing water effects
  • Fish tank depth perception (fish swimming in/out of background)
  • More BGM options and sound variations
  • Ability to hide menu buttons
  • Fish species compatibility system
  • Live food options (blood worms, brine shrimp)
  • Increased fish personality variations
  • Marimo moss balls
  • Snails and additional invertebrates
  • Saltwater/marine fish version
  • Pond fish version (koi, goldfish)
  • Corydoras-focused specialized app
  • Spanish language support
  • Sound in silent/mute mode
  • Fish size information in shop

Idle Sea Park

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Tropical Fish Tank

One-time1
  • Premium Pack$6.99
14 purchases

Idle Sea Park

One-time14
  • Hard Currency Pack 1 - 50 Gems$0.99
  • Hard Currency Pack 2 240 Gems$3.99
  • Small earnings boost$4.99
Show 11 more
  • Advanced Researcher$5.99
  • Remove Ads – over 50% off!$5.99
  • Beginner Pack$6.99
  • Hard Currency Pack 3 500 Gems$6.99
  • Large earnings boost$8.99
  • Offline Extension Park Manager$8.99
  • Starter Pack$8.99
  • Hard Currency Pack 4 825 Gems$10.99
  • Remove All Ads$14.99
  • Hard Currency Pack 5 1500 Gems$16.99
  • Hard Currency Pack 6 4000 Gems$42.99

Questions

Is Tropical Fish Tank free?
Tropical Fish Tank is free to download, with in-app purchases available.
Is Idle Sea Park free?
Idle Sea Park is free to download, with in-app purchases available.
Which has better reviews, Tropical Fish Tank or Idle Sea Park?
Tropical Fish Tank and Idle Sea Park are both rated 4.7 out of 5 on the App Store, from 612 and 923 ratings respectively.
Do Tropical Fish Tank or Idle Sea Park have ads?
Both Tropical Fish Tank and Idle Sea Park show ads.
Which is updated more often, Tropical Fish Tank or Idle Sea Park?
Tropical Fish Tank ships an update every 2 months, and Idle Sea Park every 3 weeks. Most recently, Tropical Fish Tank was updated on September 21, 2026 and Idle Sea Park on September 23, 2026.

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