CalcNotes vs Gotcha
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CalcNotes
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A powerful notepad that calculates each line and shows the results instantly. Quickly handle addition, subtraction, multiplication, division, and more in real time. Perfect for household budgets, balance tracking, revenue calculations, or splitting bills whenever you need to compute. β Calculation + Notepad Write an expression and it calculates automatically, displaying the result on the right. β No Equal Sign Needed You never need an '=' in your formulas. The app calculates automatically and shows the result in real time. β Tolerant of Extra Characters Expressions like "1,000 + 2,000" work perfectly even with commas or other characters. The app ignores what it doesn't need and still calculates correctly. β Copy Results Instantly Copy the calculation result with a single tap and paste it wherever you need it. β Unlimited Tab Management Create unlimited tabs for each category. β Flexible Tab Reordering Reorder tabs freely with intuitive drag-and-drop. β Notifications Schedule reminders with any message at the time you choose. β Automatic Backup & Restore Automatic backups keep your important data fully protected, even when switching devices. β Rich Theme Options Customize the app with a wide variety of color themes. β Biometric Authentication Boost app security with biometric authentication. β Full Offline Support Use the app anytime without an internet connection. β Full Dark Mode Support Switch freely between system-linked, light, and dark modes. β No Login Required Start using the app immediately without any login. β Robust Security We never send your data outside the device. All data stays securely stored on your device. No password input or storage is required. β Fast Support We respond quickly to your inquiries. Feel free to contact us at info@naokiotsu.com β Privacy Policy https://naokiotsu.com/privacy-policy β Terms of service https://naokiotsu.com/term-of-use
Gotcha
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Have you ever experienced these moments: "Which drawer did I put my passport in?" "Where is that spare cable I bought?" "Which box has my winter clothes?" Gotcha was created to solve these everyday hassles. It's not a heavy, complex management tool, but your portable "external memory" for physical items. Just snap a picture, and Gotcha remembers exactly where you put it. Core Features: - Lightning-Fast Photo Logging: No tedious typing needed. Snap a photo, choose the space and container, and log your item in a second. - Smart AI Recognition: Powered by advanced on-device vision technology, Gotcha automatically extracts item names and tags. It even recognizes text (OCR) within the images. - Build Custom Spaces: From "Living Room > TV Cabinet > Left Drawer" to "Garage > Toolbox", freely customize your tree-structured organization system. - Absolute Data Privacy: Your data belongs to you. Gotcha uses a local-first architecture with seamless Apple iCloud sync. No third-party servers will ever collect your personal information. - Complete Data Control: Exclusively supports one-click standard ZIP export and import. Even if you switch devices, all your text and image data can be perfectly migrated. - Multilingual Support: Natively supports English, Chinese (Simplified/Traditional), Japanese, and Korean. The interface automatically adapts to your system language. More Advanced Scenarios: - Renovation Tracking: Take a panoramic photo of a room and use pins to accurately mark masonry and interior finishing flaws. Communicate clearly with contractors, making progress and issues crystal clear. - Moving & Packing: Log packed items by box number. When you arrive at your new home, find exactly what you need without unpacking every box just to find a pair of scissors. Let Gotcha remember every little item in your life, saving your brain's memory for what truly matters!
Screenshots
Verdict
The clearest difference is in-app purchases: Gotcha at none against CalcNotes's 2. CalcNotes's advantage is iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. CalcNotes sells 2 in-app purchases, starting at $1.99 per month. Gotcha asks for nothing beyond the download.
| Parameter | CalcNotes | Gotcha |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | β |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.1 β better | 18.6 |
| Further details β not scored | ||
| Size | 52 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | naoki otsu | δ½³θΎ ε΄ |
In-app purchases
CalcNotes
- Premium$1.991 Month
- Premium (Pay Once)$4.99
Gotcha
No in-app purchases









