MindMatrix vs Yoakari
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MindMatrix
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やることを「見える化」して、毎日をスッキリ整理! MindMatrix は、「重要度 × 緊急度」のマトリクス上にタスク(付箋)を自由に配置できる、直感的なリマインダーアプリです。 付箋をドラッグして「今やる」「後でやる」「やらなくていい」を視覚的に整理。 色・メモ・期限も自由に設定でき、あなたの頭の中をスッキリ外に出して管理できます。 主な特徴 マトリクスで思考整理:緊急×重要の4象限で分類 付箋スタイルのタスク管理:メモ感覚で自由に書き込める ドラッグで移動・編集も簡単:タップ&移動で直感操作 完全オフライン対応:通信不要でいつでも使える データは端末内に自動保存:セキュア&スムーズ 複数リストを作成可能:仕事・勉強・生活など用途別に使い分け
Yoakari
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When you try to open an app you chose, a night town appears. Choose “Don’t open it” and one more window lights up. You can also choose “Open for 5 minutes.” Nothing is taken away — you simply don’t get a light. After five minutes the screen comes back. As lights add up, buildings appear: a bathhouse, an old bookshop, a café, a lantern alley, a lighthouse. You can name every building you build. ■ What you can do ・Choose which apps bring up the screen ・See how often you stopped and how often you opened, on a 7-day chart ・Collect 24 kinds of buildings, plus one that shows up only rarely ・Set the hours the screen can appear (one-time purchase) ■ Nothing is forced Yoakari never makes an app permanently unusable. Choose “Open for 5 minutes” and you can use it. It is one quiet beat, so the choice stays yours. ■ About your records Your counts and the names you give buildings stay on this iPhone. Nothing is sent to the developer. No account is required. There are no ads. ■ About the purchase “Opening Night” is a one-time payment. There is no monthly fee. The free version lets you choose one app and build six kinds of buildings.
Screenshots
Verdict
The clearest difference is in-app purchases: MindMatrix at none against Yoakari's 1. MindMatrix also leads on update cadence (every 5 days vs every 3 weeks). On price, ads, 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. Yoakari sells 1 one-off in-app purchase. MindMatrix asks for nothing beyond the download.
MindMatrix ships an update every 5 days, Yoakari every 3 weeks. Both last shipped on October 3, 2026.
| Parameter | MindMatrix | Yoakari |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.5 | 17.4 — better |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Sakihara Riki | Masato Oda |
In-app purchases
MindMatrix
No in-app purchases
Yoakari
- Opening Night$5.99









