Brain;Notes vs Let's track
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Brain;Notes
Organize your thoughts and information with a scrapbook-style notepad. Freely add text, photos, maps, URLs, and voice memos to multiple workspaces. Notes can be secured with biometric authentication and exported as PDFs.
- Scrapbook-style organization
- Support for text, photo, location, URL, and voice notes
- Multiple workspaces with custom wallpapers
- Biometric note locking
- Calendar and Reminder integration
- PDF export and AirDrop support
- Stable and Shared note modes
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"Brain;Notes" is a scrapbook-like sticky note that uses sticky notes to efficiently organize your ideas and information. You can freely write down not only text but also maps, photos, URLs, and other notes on your workspace. It can be used in a variety of ways depending on your ideas and thoughts, such as mind mapping. Main Features ・Simple menu-driven user interface. ・Available note types: text, photo, location, URL, and voice. ・Voice notes can be recorded for 60 seconds. ・Multiple workspaces are available for managing notes. ・Each workspace can have its own wallpaper. ・Each note can be locked by biometric authentication. ・Notes can be created as events in Calendar.app. ・Notes can be registered in Reminder.app. ・Workspaces can be exported as PDF files. ・AirDrop is supported. ・App supports for Sharing. (Notes can be created by "Share" from other apps. Notes can be created by dragging from other apps.) Unique Features: ・When a note is set to "Stable" mode, it will appear in all workspaces. If you create a new workspace, the note will still appear automatically. ・When a note is set to "Shared" mode, it will only appear in the workspace you select. Attentions: ・There is no ability to delete a workspace. However, you can delete all notes on a workspace with a three-finger tap gesture. Please be careful not to create too many workspaces. ・If there are less than 10 notes left, the app will automatically refill notes to 10 at midnight. Gesture Operations: Workspace (gray area): ・Single Tap: shows menu. ・Double Tap: creates new note. ・Two Finger Tap: reset wallpaper. ・Three Finger Tap: deletes all notes on the workspace. Sticky notes: ・Single Tap: shows menu. ・Double Tap: transforms appearance. ・Long Press: shows context menu.
Let's track
Easily manage your money with this intuitive expense tracker. Log transactions quickly, visualize spending with charts, set budgets, and track savings goals. Secure your data with Face ID/Touch ID and export your financial information.
- Quick transaction entry with categories and tags
- Voice input for hands-free logging
- Attach receipt photos
- Visual spending charts and insights
- Monthly budgets by category
- Savings goals tracking
- Export data to CSV
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Take control of your finances with Let's Track - the intuitive expense tracker designed for simplicity and power. SMART EXPENSE TRACKING • Quick transaction entry with categories, tags, and notes • Voice input for hands-free expense logging • Attach receipt photos to any transaction • Location tagging to remember where you spent VISUALIZE YOUR SPENDING • Beautiful charts and insights • Monthly spending trends and category breakdowns • Calendar view to see daily expenses at a glance • Map view to visualize spending locations BUDGET & SAVINGS • Set monthly budgets by category • Create savings goals and track progress • Recurring transaction support POWERFUL FEATURES • Home screen widgets for quick access • iCloud backup and restore • Export data to CSV • Face ID / Touch ID protection • Dark mode support Your income is limited, but your spending habits don't have to be a mystery. Let's Track helps you understand where your money goes, so you can make smarter financial decisions. Start tracking today - your future self will thank you.
Screenshots
Verdict
The clearest difference is rating: Let's track at 5.0 against Brain;Notes's 2.5. Let's track also leads on in-app purchases (none vs 4) and update cadence (daily vs every 6 days). On price, ratings volume, ads and monetization model 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. Brain;Notes sells 4 one-off in-app purchases. Let's track asks for nothing beyond the download.
Let's track holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
Brain;Notes ships an update every 6 days, Let's track daily. Both last shipped on November 3, 2026.
| Parameter | Brain;Notes | Let's track |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 6 days | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Kouichi Abe | Jongmin Lee |
Customer experience
Brain;Notes
Let's track
In-app purchases
Brain;Notes
- 20 notes$0.99
- 50 notes$1.99
- 80 notes$2.99
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- 150 notes$4.99
Let's track
No in-app purchases









