# CalcNotes - Calculation memo > Calculator + Notepad! Canonical page: [https://chrome-stats.com/d/app.web.calculationnotes](https://chrome-stats.com/d/app.web.calculationnotes) ## Overview - **ID:** `app.web.calculationnotes` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Naoki Otsu - **Category:** PRODUCTIVITY - **Downloads:** 4,168 - **Version:** 2.20.0 - **Last updated:** 2026-08-25 - **First published:** 2025-09-17 - **Publisher country:** JP - **Size:** 100 MB - **Data as of:** 2026-09-09 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=app.web.calculationnotes) - **Website:** [https://naokiotsu.com/](https://naokiotsu.com/) - **Privacy policy:** [https://naokiotsu.com/privacy-policy](https://naokiotsu.com/privacy-policy) ## Description 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.

■ Calculation + Notepad
Write an expression and it calculates automatically, displaying the result on the right.

■ No Equal Sign Needed
You never need an '=' in your formulas.
The app calculates automatically and shows the result in real time.

■ 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.

■ Copy Results Instantly
Copy the calculation result with a single tap and paste it wherever you need it.

■ Unlimited Tab Management
Create unlimited tabs for each category.

■ Flexible Tab Reordering
Reorder tabs freely with intuitive drag-and-drop.

■ Notifications
Schedule reminders with any message at the time you choose.

■ Automatic Backup & Restore
Automatic backups keep your important data fully protected, even when switching devices.

■ Rich Theme Options
Customize the app with a wide variety of color themes.

■ Biometric Authentication
Boost app security with biometric authentication.

■ Full Offline Support
Use the app anytime without an internet connection.

■ Full Dark Mode Support
Switch freely between system-linked, light, and dark modes.

■ No Login Required
Start using the app immediately without any login.

■ 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.

■ Fast Support
We respond quickly to your inquiries.
Feel free to contact us at
info@naokiotsu.com

■ Privacy Policy
https://naokiotsu.com/privacy-policy

■ Terms of service
https://naokiotsu.com/term-of-use ## Rankings - #756,686 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_APP_BADGE` - `android.permission.READ_EXTERNAL_STORAGE` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.USE_BIOMETRIC` - `android.permission.USE_FINGERPRINT` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `android.permission.WRITE_EXTERNAL_STORAGE` - `app.web.calculationnotes.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.anddoes.launcher.permission.UPDATE_COUNT` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.htc.launcher.permission.READ_SETTINGS` - `com.htc.launcher.permission.UPDATE_SHORTCUT` - `com.huawei.android.launcher.permission.CHANGE_BADGE` - `com.huawei.android.launcher.permission.READ_SETTINGS` - `com.huawei.android.launcher.permission.WRITE_SETTINGS` - `com.majeur.launcher.permission.UPDATE_BADGE` - `com.oppo.launcher.permission.READ_SETTINGS` - `com.oppo.launcher.permission.WRITE_SETTINGS` - `com.sec.android.provider.badge.permission.READ` - `com.sec.android.provider.badge.permission.WRITE` - `com.sonyericsson.home.permission.BROADCAST_BADGE` - `com.sonymobile.home.permission.PROVIDER_INSERT_BADGE` - `me.everything.badger.permission.BADGE_COUNT_READ` - `me.everything.badger.permission.BADGE_COUNT_WRITE` ## Similar extensions and apps - [CalcNote - Notepad Calculator](https://chrome-stats.com/d/com.burton999.notecal) — 1,028,963 users, 4.36 / 5 - [Easy Note Calc](https://chrome-stats.com/d/com.dendigital.easynotecalc) — 36 users - [CalcPad - Notepad Calculator](https://chrome-stats.com/d/com.roshini.calcpad.notepadcalculator) — 84 users - [NoteCalc: Calculator](https://chrome-stats.com/d/com.kgstudio.notecalc) — 83 users - [Calculator Memo - Note Calc](https://chrome-stats.com/d/com.kjapps.calculatormemo) — 77 users - [CalcNote](https://chrome-stats.com/d/com.downloadervideo.snapapp.tube) — 1,522 users - [CalPad+](https://chrome-stats.com/d/com.appestry.calpad_plus) — 92 users - [Calc Note](https://chrome-stats.com/d/com.ayoub.calcnote) — 135 users - [Calcnote Lite](https://chrome-stats.com/d/com.mathssolver.calcnote) — 3 users - [CalPad](https://chrome-stats.com/d/com.appestry.calpad) — 3,903 users - [Calculator Note](https://chrome-stats.com/d/sayeh.moji.tac) — 29,670 users, 4.28 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/app.web.calculationnotes)