Fast Diary vs JotItDownYo
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。
JotItDownYo
A straightforward and customizable note-taking application designed for ease of use. It offers robust organization features, extensive font and theme customization, and secure authentication options. Easily attach images, share content, and manage deleted notes with its intuitive interface.
- Unlimited nested folder creation
- Hundreds of customizable fonts and sizes
- Passcode, Face ID, and fingerprint authentication
- Customizable theme colors with dark mode support
- Attach and edit images within notes
- Undo and trash can functionality
- Note and folder sharing
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"Jot It Down Yo!" is a simple and user-friendly notes app, tailored to provide a customized experience for each user. Developed with the goal of creating a 'notes app even my Dad can use'. * Completely Free: No ads, no in-app purchases! * Intuitive Interface: Easy to use with just 'taps' and 'long presses'. So intuitive that you won't be lost trying to find where a new note is saved. * Unlimited Folder Creation: Create additional folders within folders for hierarchical organization - perfect for those who love to keep things tidy! * Customizable Fonts: Choose from hundreds of pre-installed iOS fonts (including font styles), with font sizes ranging from 10pt to 50pt, making it easy to read even for people with presbyopia like me! * Security with Authentication: Protect your privacy with passcode, facial recognition, and fingerprint authentication (depending on the device). Of course, you can opt to use it without the cumbersome authentication. * Customizable Theme Colors: Select your unique theme using the color picker - fully supports dark mode! * Image Features: Attach images to notes, with thumbnail display, adjustable size, brightness, and contrast. Black and white or sepia filters can also be applied. * Undo Function: Equipped with an Undo feature for peace of mind in case of mistaken inputs (Note: Redo function is not included). * Trash Can Function: Deleted notes are moved to the trash, so you can restore them later if needed. * Sharing Function: Easily share the contents of notes and folders with just a tap. * Color Highlighting: Highlight notes and folders with colors, making important notes instantly recognizable. * Backup Function: Backup all notes in a file and load backup files if necessary. * Character Count and Word Count Display: Features for displaying character and word count (Note: Supports only languages where words are separated by spaces).
Screenshots
Verdict
The clearest difference is in-app purchases: JotItDownYo at none against Fast Diary's 1. JotItDownYo also leads on ads (none vs shown) and update cadence (daily vs every 3 months). On price, 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. JotItDownYo asks for nothing beyond the download.
Fast Diary ships an update every 3 months, JotItDownYo daily. The most recent releases landed on August 17, 2026 and June 29, 2026 respectively.
| Parameter | Fast Diary | JotItDownYo |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 3 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.2 |
| Further details — not scored | ||
| Size | 89 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Haruya Nakamura | Masayoshi Ueda |
In-app purchases
Fast Diary
- Ad hiding option$0.99
JotItDownYo
No in-app purchases








