Comparison

BASIC格付けチェック vs Medaka Aquarium Breeder

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

Head to head
About

BASIC格付けチェック

Features
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基本問題を解いていく格付けチェックに挑戦しよう。問題は全部で50問。途中で止めても続きから始めることができるよ。全て解き終えたらランクが表示されるよ。さて、あなたは一流の称号を得ることができるのか!?称号は全部で7個あるので上位を狙おう。最後はあの人になれるかも!? 本アプリでは、上部に記載されている問題を元に下部にある4つの答えから選択しタップします。合っていればレベルが上がり一定レベルに到達するとランクが上がります。間違えるとレベルが下がり一定レベルに達するとランクが下がります。答えてはいけないものを選択してしまうと2つレベルが下がってしまいます。わからない場合は右上にあるヒントボタンをタップすることでヒント!?が表示されます。ただしヒントの中にはあまり役に立たないものもあります。

About

Medaka Aquarium Breeder

Raise and breed killifish in a relaxing aquarium simulation. Manage water quality, feed your fish, and sell them to upgrade your tank. Discover new species and create a beautiful underwater world.

Highlights
  • Manage aquarium water quality and temperature
  • Feed and grow killifish
  • Sell fish to earn money
  • Breed new killifish species
  • Customize aquarium with equipment and layouts
  • Offline play available
Features
Read full description

Medaka Aquarium Breeder is an idle breeding game where you become a medaka breeder, manage your aquarium, and raise your own medaka fish. Adjust the water temperature and quality, feed your medaka, and watch them grow over time. Even while the app is closed, your medaka continue to grow little by little. Sell the medaka you raise to earn money, buy aquarium equipment and layout items, and create your own relaxing aquarium. A major update has expanded the breeding and collection experience. Main features added in the update: - View medaka relationships and breeding routes with the genetic map - Use Breed Points to unlock hints for undiscovered medaka and analysis for discovered medaka - Expanded breeding patterns make it possible to discover more medaka varieties - Seasonal Shop where you can obtain medaka inspired by spring, summer, autumn, and winter - Expanded encyclopedia and genetic map with more detailed information about discovered medaka - Updated Tips to make new features and breeding advice easier to understand How to play: - Manage water temperature and quality, and feed your medaka as they grow. - Feeding and cleaning take only a short time, making it easy to care for your aquarium during spare moments. - Sell raised medaka to earn money, then buy aquarium equipment and layout items. - Pair male and female medaka to produce offspring that inherit traits from their parents. - Use the genetic map and encyclopedia to search for medaka you have not discovered yet. - Check in-game Tips anytime to learn about raising medaka and using each feature. Features: - Idle growth system where medaka continue to grow while you are away - Aquarium layout customization with equipment, sand, aquatic plants, stones, and more - Collection gameplay where breeding can lead to new medaka varieties - Encyclopedia to review discovered medaka - Genetic map to check parent-child relationships and breeding clues - Seasonal Shop where different medaka appear depending on the season - A calm aquarium atmosphere with water sounds and music The medaka available in the shop are only part of what you can discover. Some medaka can only be created through breeding, and others are connected to the seasons. Think about parent combinations, unlock hints with Breed Points, and work toward completing your encyclopedia. Recommended for players who: - Enjoy raising games that can be played little by little - Like aquariums and relaxing water-themed experiences - Enjoy caring for virtual pets - Like discovering new varieties through breeding or pairing systems - Want to steadily complete an encyclopedia or collection - Want a calm game to enjoy during breaks or quiet moments Raise medaka, breed new varieties, expand your encyclopedia, and create your own aquarium.

Screenshots

BASIC格付けチェック3 screens
Medaka Aquarium Breeder4 screens

Verdict

The call

The clearest difference is update cadence: Medaka Aquarium Breeder at every 11 days against BASIC格付けチェック's every 22 months. Medaka Aquarium Breeder also leads on iOS requirement (13.3 vs 15.1). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BASIC格付けチェック ships an update every 22 months, Medaka Aquarium Breeder every 11 days. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
BASIC格付けチェック versus Medaka Aquarium Breeder: the parameters behind the verdict, then further details
ParameterBASIC格付けチェックMedaka Aquarium Breeder
PriceFreeFree
Rating—4.3 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 22 monthsEvery 11 days — better
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.3 — better
Further details — not scored
Size26 MB244 MB
Age rating4+4+
Developertakeshi inoueYuki Naruse

In-app purchases

None

BASIC格付けチェック

No in-app purchases

None

Medaka Aquarium Breeder

No in-app purchases

Questions

Is BASIC格付けチェック free?
BASIC格付けチェック is free to download, with no in-app purchases.
Is Medaka Aquarium Breeder free?
Medaka Aquarium Breeder is free to download, with no in-app purchases.
Do BASIC格付けチェック or Medaka Aquarium Breeder have ads?
Both BASIC格付けチェック and Medaka Aquarium Breeder show ads.
Which is updated more often, BASIC格付けチェック or Medaka Aquarium Breeder?
BASIC格付けチェック ships an update every 22 months, and Medaka Aquarium Breeder every 11 days. Most recently, BASIC格付けチェック was updated on October 26, 2026 and Medaka Aquarium Breeder on October 30, 2026.

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