どっちが長い？（あそんでまなぶ！シリーズ） vs Aqua Room
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
どっちが長い？（あそんでまなぶ！シリーズ）
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あそんでまなぶ！シリーズのどっちが長い？です。 長さの合計が大きいほうを当てるアプリです。 10問出題されます。100点取れるかがんばってみてください。 ランキングは、点数の多い順かつタイムの早い順になります。 お友達どうし、親子対決で楽しんでください。
Aqua Room
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Let’s make the sea creatures with your favorite materials! Let's shoot your work with the camera application on the background of the yellow-green color! When you select an image from the album, the background of the yellow-green color is hollowed out and it will join the ocean's companion! If you connect to the projector and TV, you can enjoy more!
Screenshots
Verdict
The clearest difference is in-app purchases: Aqua Room at none against どっちが長い？（あそんでまなぶ！シリーズ）'s 2. Aqua Room also leads on ads (none vs shown). どっちが長い？（あそんでまなぶ！シリーズ）'s advantage is update cadence (every 4 months vs every 15 months) and iOS requirement (9.0 vs 13.0). On price 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
Both are free to download. どっちが長い？（あそんでまなぶ！シリーズ） sells 2 one-off in-app purchases. Aqua Room asks for nothing beyond the download.
どっちが長い？（あそんでまなぶ！シリーズ） ships an update every 4 months, Aqua Room every 15 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | どっちが長い？（あそんでまなぶ！シリーズ） | Aqua Room |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months — better | Every 15 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 122 MB |
| Age rating | 4+ | 4+ |
| Developer | UNI-TY INC. | LITALICO Inc. |
In-app purchases
どっちが長い？（あそんでまなぶ！シリーズ）
- 広告非表示$2.99
- 回数制限解除$2.99
Aqua Room
No in-app purchases
Questions
Is どっちが長い？（あそんでまなぶ！シリーズ） free?
Is Aqua Room free?
Do どっちが長い？（あそんでまなぶ！シリーズ） or Aqua Room have ads?
Which is updated more often, どっちが長い？（あそんでまなぶ！シリーズ） or Aqua Room?
Other comparisons
