空想水族館 vs もちっとつみつみ
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
空想水族館
Discover a futuristic aquarium filled with whimsical creatures. Collect unique animal hybrids through a free gacha system and uncover the aquarium's secrets in a fun, story-driven game. Enjoy simple, casual gameplay perfect for passing the time.
- Collect unique hybrid creatures
- Free gacha system
- Futuristic aquarium setting
- Story-driven gameplay
- Tilt sensor mechanics
- Casual time-killing game
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西暦20XX年、ありえないと思われていた水族館がついにオープン!? おさかな町にある、不思議な生き物たちが暮らす未来の水族館。 普通の水族館とは違う、その秘密とは…? いろいろな生き物と出会って空想水族館の秘密にせまろう!(漫画で進む面白ストーリー) 完全無料のガチャガチャを回して、可愛いく不思議な生きもの達を集めよう。 ほのぼの簡単な暇つぶし面白ゲームだよ。 うさぎ+ペンギンの「うさぺん」、ハムスター+あざらしの「ハムざらし」など様々なキャラクターが飛び出すよ。 端末の傾きセンサーに対応した様々な仕掛けもあるので、いろいろ試してね。おもちゃ感覚で遊べるよ。 ©はてなのたまご ライセンス:カミオジャパン、いたのくまんぼう アプリ提供:アーツプラネット 空想水族館 https://twitter.com/KUUSOU_official カミオジャパン https://twitter.com/kamiojapan いたのくまんぼう https://twitter.com/Ninebonz アーツプラネット https://twitter.com/Artsplanet_Inc
もちっとつみつみ
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Plop, squish, stick! Stack soft, stretchy mochi above the gold line in this physics puzzle game. ■ How to play Tap the screen and a mochi drops right there. Get the top of your stack above the gold line and hold it for 2 seconds to clear the stage. Each stage gives you a set number of mochi. ■ Five kinds of mochi, each one different - Shiro: plain mochi. Nicely soft and a little sticky. - Anko: red bean mochi. Small, heavy and firm. A steady base for your tower. - Kinako: round and tall, but its powder makes it slippery. Nothing sticks to it. - Yomogi: the stickiest one. Pull it and it stretches, then peels off. - Sakura: light and gooey. It spreads flat and fills the bumps. Which goes on the bottom, and which goes on top? The order changes everything. ■ Free Play No rules. Drop mochi, stretch them with your finger and stack them however you like. Just watching them wobble is relaxing. ■ World Ranking Signed in to Game Center? Compete with players around the world on stages cleared and your best Free Play score. ■ Great for - Quick breaks: play just one stage - Playing without ads getting in the way - Anyone who loves squishy, bouncy things No ads, no in-app purchases. Plays offline. Your progress is saved on your device.
Screenshots
Verdict
The clearest difference is ads: もちっとつみつみ at none against 空想水族館's shown. もちっとつみつみ also leads on update cadence (every 4 days vs every 2 months). 空想水族館's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
空想水族館 ships an update every 2 months, もちっとつみつみ every 4 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | 空想水族館 | もちっとつみつみ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 395 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | ArtsPlanet | Shota Sakaguchi |
In-app purchases
空想水族館
No in-app purchases
もちっとつみつみ
No in-app purchases









