Fast Diary vs Memos as Blocks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fast Diary
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Fast Diaryは、シンプルでサクッと日記を書くことができるアプリです。 その日の気分や天気も簡単に記録することができ、一言日記を残していくことができます。 このアプリの特徴 ・シンプルでオシャレ、ミニマルなデザイン ・テーマカラーを気分に合わせて変更できる ・気分や天気をアイコンで記録・確認できる ・日記に写真を設定することができる ・保存した日記を検索できる ・カレンダーで一覧確認できる ・ロック機能(パスコード・生体認証)でロックできる また、今後以下の機能追加を予定しています。 ・iCloudバックアップ機能 ・アルバム機能 ご要望や不明点はお問い合わせ画面からお問い合わせください。
Memos as Blocks
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Write down ideas as memos, then arrange them like blocks to build your notes. PieceNote is a note app where you create pages by arranging memos. [ Arrange memos to create pages ] In PieceNote, you create pages inside a note, then arrange memos on each page like blocks. Use it for favorite places, study notes, ideas, work notes, reading records, and more. Instead of writing everything as one long document, you can split your content into separate memos and organize it by meaning or purpose. [ Collapse memos and keep pages tidy ] Memos can be collapsed whenever you need. Collapse basic information or extra notes that you don’t check often, and keep the memos you use most expanded. This helps you keep each page clean, easy to read, and organized. [ Write first, organize later ] When something comes to mind, just save it as a memo. You can reorder memos later, move them to another page, or combine multiple memos into one. Because each memo works as a small block of content, it is easy to organize the whole page afterward. [ Rich text for expressive writing ] When creating or editing memos, you can use formatting such as: - Bold - Italic - Underline - Strikethrough - Text color - Indentation - Bullet lists - Checkboxes - Heading sizes - Dividers [ Fully local and private ] Your data is stored on your device. PieceNote does not use an external server to store your notes. Backup, restore, and memo export are also supported, so you can move your data to a new device or keep important notes outside the app. [ PieceNote Premium (In-App Purchase) ] With PieceNote Premium, you get: - Completely ad-free experience - Dark mode - Color marker feature With color markers, you can add a visual marker to memos to make important memos or memos to check later easier to find. PieceNote Premium is a one-time purchase. No subscription required.
Screenshots
Verdict
The clearest difference is ads: Memos as Blocks at none against Fast Diary's shown. Memos as Blocks also leads on update cadence (weekly vs every 3 months). 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. Fast Diary sells 1 one-off in-app purchase and Memos as Blocks sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Fast Diary ships an update every 3 months, Memos as Blocks weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.
| Parameter | Fast Diary | Memos as Blocks |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 89 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Haruya Nakamura | Yohei Nishimura |
In-app purchases
Fast Diary
- Ad hiding option$0.99
Memos as Blocks
- PieceNote Premium$3.99









