Memo Stacker vs RapiMemo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memo Stacker
This app helps you capture and organize your thoughts, ideas, and daily logs. It automatically stacks your entries chronologically, making it easy to look back on your past records through a visual timeline. Enjoy customizable features and secure data storage options.
- Timeline notes
- Auto-organized by date
- Habit tracking stats
- Modern font customization
- Dark mode support
- iCloud Drive integration
- Local data storage option
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Stack your everyday life. A memo app for building up your thoughts like blocks. Memo Stacker is a memo app that makes “writing” and “looking back” as simple as possible. Ideas that come to you in the moment, diary entries, ToDos, life logs. Stack every kind of record like blocks and visualize your everyday life. “What was I thinking back then?” With Memo Stacker, you never have to wonder. By using iCloud Drive, which iOS users can use for free, Memo Stacker is designed so your data is not locked inside the app. If you use the same iCloud account, your data will not be lost when you change devices, and your important notes will remain even if you delete the app. Of course, your notes belong only to your account, so no one else, including the developer, can see them. Write: Start typing as soon as you open the app. Timestamps are added automatically. Stack: Notes are stacked chronologically and automatically organized by date. View: Browse your past records beautifully in a refined timeline format. ■ Timeline Format With No Organizing Needed Open the home screen and all your notes are arranged chronologically. No more creating folders or managing file names. Just swipe to instantly revisit your past self. ■ Automatically Organized Timeline View Notes are automatically organized by date. With intuitive navigation by year, month, and day, you can find records from years ago in an instant. ■ Stats That Reveal Your Habits See how much you have written through a heatmap. The joy of continuing to write helps support your habit. ■ Customization That Feels Like You Includes beautiful modern fonts and an eye-friendly dark mode. Because it is something you use every day, Memo Stacker is designed with care for both writing comfort and appearance. Even when using Local Mode without iCloud Drive: ■ Privacy and Backup You Can Trust Notes are stored only on your device with a local-first design. When changing devices, you can easily migrate your data to the cloud using your Google account. When using Memo Stacker on a MacBook, the optimized iPad version is available.
RapiMemo
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RapiMemo - AI-Powered Memo Organizer In our busy daily lives, we want to quickly jot down ideas as they come to us. But organizing them later is such a hassle... RapiMemo solves this problem. <Key Features> ・Take Notes Freely Text and voice input support Record thoughts as they come No format restrictions, complete freedom ・AI Auto-Organization Automatic summarization with Google Gemini AI Automatic genre-based tagging ・8-language support (Japanese, English, German, French, Spanish, Italian, Chinese, Korean) ・Easy to View and Search Memos organized by tags ・Full-text search functionality Side-by-side display of summaries and original memos ・Smart Notification System Notifies you about unorganized memos <How to Use> ・Create Memos: Enter text in the input field at the bottom of the home screen, or use voice input ・AI Organization: Check unorganized memos in the review queue and execute AI summarization ・Review & Edit: Check generated summaries and tags, edit as needed ・Search & Browse: Search and browse memos organized by tags <Privacy & Security> Memo data is safely stored on your device AI processing requires explicit user consent <Use Cases> Learning: Automatically organize class and reading notes Work: Efficiently manage meeting notes and ideas Daily Life: Organize shopping lists and schedules Hobbies: Record book notes and movie reviews <Multi-Language Support> Not just Japanese, but also English, German, French, Spanish, Italian, Chinese, and Korean memos can be automatically summarized and tagged. Perfect for business trips, studying abroad, and multilingual learning. Why not change your note-taking habits with RapiMemo? Let AI organize your thoughts and create more creative time for you.
Screenshots
Verdict
The clearest difference is in-app purchases: RapiMemo at none against Memo Stacker's 2. RapiMemo also leads on ads (none vs shown). Memo Stacker's advantage is iOS requirement (16.4 vs 18.0). On price and device support 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. Memo Stacker sells 2 in-app purchases, starting at $2.99 per month. RapiMemo asks for nothing beyond the download.
| Parameter | Memo Stacker | RapiMemo |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 90 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Trivial Ventures | yuta tabane |
In-app purchases
Memo Stacker
- Pro plan Monthly$2.991 Month
- Remove Ads$2.99
RapiMemo
No in-app purchases









