Comparison

GrapNote vs 3 Seconds Memo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GrapNote

Features
Read full description

GrapNote is a streamlined list-management app that helps you organize your thoughts and ideas effortlessly. Key Features: • Clean, intuitive interface • Eye-friendly color scheme that's gentle even at first wake-up • Full voice input support • Organize ideas across five categories: Vision, Style, Mission, Plan, and Action • Two-level inbox for unsorted items • Quick list additions from text input • Privacy-focused: all data stays on your device Perfect For: • Capturing every idea and inspiration • Managing your goals and action plans • Instantly noting daily tasks and sudden thoughts • Anchoring your project mindset and vision development Special Features: • Folder classification for structured thinking • Keyboard-optimized interface for efficiency • Lightweight performance for quick launch-to-note workflow All your data remains exclusively on your device and is never transmitted externally. Start organizing your thoughts and bringing your ideas to life with GrapNote.

About

3 Seconds Memo

This app allows for rapid note-taking and idea capture, opening directly to a creation screen. It offers offline functionality, local data storage, and organizational tools like categories and tags. Premium features include ad-free usage, data export, and custom categories.

Highlights
  • Immediate memo creation on launch
  • Offline functionality
  • Local-only data storage
  • Organize with categories and tags
  • Attach photos to memos
  • Lock Screen widget for quick access
  • Export to Markdown and CSV (Premium)
Features
Read full description

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/

Screenshots

GrapNote4 screens
3 Seconds Memo4 screens

Verdict

The call

The clearest difference is in-app purchases: GrapNote at none against 3 Seconds Memo's 2. GrapNote also leads on ads (none vs shown) and update cadence (daily vs weekly). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 3 Seconds Memo sells 2 in-app purchases, starting at $2.99 per month. GrapNote asks for nothing beyond the download.

UpkeepUpdate frequency

GrapNote ships an update daily, 3 Seconds Memo weekly. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 5 level
GrapNote versus 3 Seconds Memo: the parameters behind the verdict, then further details
ParameterGrapNote3 Seconds Memo
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyDaily — betterWeekly
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size1 MB78 MB
Age rating4+4+
DeveloperRYU HARAGUCHIAiju Kawase

In-app purchases

None

GrapNote

No in-app purchases

2 purchases

3 Seconds Memo

Subscriptions2
  • Montly Plan1 Month trial$2.991 Month
  • Annual Plan1 Month trial$29.991 Year

Questions

Is GrapNote free?
GrapNote is free to download, with no in-app purchases.
Is 3 Seconds Memo free?
3 Seconds Memo is free to download, with in-app purchases available.
Do GrapNote or 3 Seconds Memo have ads?
3 Seconds Memo shows ads; GrapNote does not.
Which is updated more often, GrapNote or 3 Seconds Memo?
GrapNote ships an update daily, and 3 Seconds Memo weekly. Most recently, GrapNote was updated on October 11, 2026 and 3 Seconds Memo on October 25, 2026.

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