Shape Memory vs EchoGrid
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Shape Memory
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あそびかた: 1.じっと見る! 最初に5秒間だけ、お手本の形と色が表示されます。集中して覚えよう! 2.形を作る! 制限時間(30秒)以内に、図形の「点」をドラッグして、覚えた形に近づけよう。 3.色も合わせる! 「あの色はもっと濃(こ)かったかな?」右の色変えバーで、色も再現してね。 4.結果発表! 時間が来ると採点(さいてん)されるよ。形と色がどれだけ似ているかでスコアが決まる! レベルは3段階: 簡単な四角形から、難しい八角形まで。 「Hard(むずかしい)」モードで高得点を目指そう!
EchoGrid
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Read the signal. Hold it in your mind. Rebuild it. EchoGrid is a visual-memory puzzle about reading a pattern of lit cells, keeping it in your head, and recreating it through a spatial rule. How it works: • Watch the signal light up the grid • The board hides • Rebuild the pattern from memory • Each world bends the rule a little more Four spatial worlds: • Echoes — pure recall, rebuild exactly what you saw • Reflections — mirror the pattern left to right • Rotations — turn it 90 degrees • Sequence — remember the order, not just the cells Easy to learn, hard to master. Levels start gentle and grow into a real test of attention and spatial memory. Play your way: • Daily challenges to build a streak • Endless runs that never stop • Track mastery and unlock achievements • Quick sessions or long focus blocks • No account needed Every grid becomes a compact workout for memory, focus, and spatial reasoning. Support: https://srgconsult.ing/products/echogrid/support Privacy: https://srgconsult.ing/products/echogrid/privacy-policy
Screenshots
Verdict
The clearest difference is ads: EchoGrid at none against Shape Memory's shown. On price, in-app purchases, device support and iOS requirement 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.
| Parameter | Shape Memory | EchoGrid |
|---|---|---|
| Price | Free | Free |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | Tomoyuki Enokiya | Sebastian Rodriguez Garcia |
In-app purchases
Shape Memory
No in-app purchases
EchoGrid
No in-app purchases









