# 3 Seconds Memo - Simple Notes — Never lose an idea. > Never lose an idea. (iPhone/iPad app by Aiju Kawase.) - Source: https://appshunter.io/ios/app/3-seconds-memo-simple-notes/id6773546340 (this page in markdown: same URL + `.md`) - Developer: [Aiju Kawase](https://appshunter.io/developer/6773546342) - Category: Productivity, Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 16.4 · 73 MB - Languages: American English, Japanese - Released: 2026-06-02 - Data updated: 2026-09-07 - User reviews in markdown: https://appshunter.io/ios/app/3-seconds-memo-simple-notes/id6773546340/reviews.md ## What is 3 Seconds Memo? 3-Second Memo is a simple notepad app for quickly writing down and saving ideas, notes, and content ideas the moment they come to mind. ■Concept Instead of complex features, 3-Second Memo focuses on letting you write as quickly and easily as possible. It helps you capture ideas you might otherwise think, “I’ll write it down later,” and use the app casually as your personal idea notebook. ■Features of 3-Second Memo - When you launch the app, the memo creation screen opens immediately. - Works offline. Use it anytime, anywhere, whether on the subway or on a plane. - Your memo content is saved only on your own device. It is never used for AI training or similar purposes. - To improve the app, we collect only usage statistics, such as the number of times memos are written. ■Main Features - Start writing immediately after launching the app - View saved memos in chronological order - Organize memos clearly with categories and tags - Convenient offline access - Attach photos to memos to save visual notes, references, and ideas - View attached photos as an album from the category list page - Add a launch widget to the Lock Screen for quick access to memo creation - Local-only data storage. Your data is not saved on the operator’s servers. ■Premium Benefits - Use the app comfortably without ads - Export to Markdown and CSV for easy integration with AI and other tools - Add custom categories, making it possible to manage notes by projects that suit you, such as “Streaming Ideas” or “Development” - Copy memos by category in bulk, so you can easily move each category into other tools ■Important Notice Before using this app, please review the Terms of Use and Privacy Policy below. Japanese - Terms of Use: https://3s-memo.tea-19.com/ja/terms/ - Privacy Policy: https://3s-memo.tea-19.com/ja/privacy/ English - Terms of Use: https://3s-memo.tea-19.com/en/terms/ - Privacy Policy: https://3s-memo.tea-19.com/en/privacy/ ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Montly Plan | $2.99 | per month | | Annual Plan | $29.99 | per year | ## Version history (last 5 releases) ### 1.7.0 — 2026-08-31 We mainly made improvements for new users. ■Usability improvements ・The tutorial has been updated to make the flow easier to understand. ・Following the launch of the official website, the links to the Terms of Service and Privacy Policy have been updated. The content of the Privacy Policy and Terms of Service is exactly the same as before. The new pages are below. ・Terms of Use: https://3s-memo.tea-19.com/en/terms/ ・Privacy Policy: https://3s-memo.tea-19.com/en/privacy/ ### 1.6.1 — 2026-08-28 We’ve made small usability improvements and fixed a few bugs. New Features - Choose the sort order for your category list. - Hide categories with no notes. Usability Improvements - Improved the readability of the category list. - Simplified the share icon. Bug Fixes - Fixed an issue where images added before an app update could no longer be viewed. ### 1.6.0 — 2026-07-08 Photos can now be added to memos. You can also set up a Lock Screen widget to open Memo instantly. ■ New Features ・You can now attach photos to memos. ・Photos can be viewed as an album from the category list page. ・You can now add a launch widget to the Lock Screen. ・You can now mark items as completed, making it easier to manage tasks and ideas. ■ Improvements ・[Premium] Improved the category editing UI. ・Added a guide on how to add widgets. ■ Bug Fixes ・Fixed an issue where the keyboard background could remain on the list screen after creating a memo. ### 1.5.0 — 2026-06-21 New notes now automatically open the keyboard, so you can start writing right away. ■ New Features ・The input field is now automatically focused when opening a new note. ・Added note statistics to the user profile page. ■ Usability Improvements ・Long category names are now abbreviated to prevent them from being cut off. ・Updated the design of the Settings page and category selection page for a more consistent look. ■ Other ・Updated internal systems. ### 1.4.0 — 2026-06-17 You can now auto-save memos. This update addresses feedback we received from our users. Thank you for your valuable input. ■ New Feature - When creating a new memo or editing an existing one, your changes can now be saved automatically even if you close the screen without tapping the Save button. ※ If you prefer the previous manual save behavior, you can turn off “Auto-save memos” in Settings. ■ Other Updates - Added support so that “Japanese” is displayed as a supported language on the App Store. - Internal system improvements. ## More apps by Aiju Kawase - [サッカー2026日程確認・通知](https://appshunter.io/ios/app/2026/id6780294246) All apps by Aiju Kawase: https://appshunter.io/developer/6773546342 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-07.*