Comparison

CalcNotes vs Byosoku Memo

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

Head to head
About

CalcNotes

Features
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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

About

Byosoku Memo

Features
Read full description

Between β€œopen” and β€œwrite,” there is nothing. Byosoku Memo is a zero-friction notepad: the moment it launches, a new note and the keyboard are already there. No hunting for buttons, no flipping pages β€” the app finally keeps up with β€œlet me jot this down before I forget.” β–  Open = start typing Tap the icon and a blank note with the keyboard appears at once. No splash screen, no confirmation dialog. β–  Auto-save, always There is no save button. Every keystroke is saved instantly. Close an empty note and nothing is left behind β€” no junk notes. β–  Lock Screen & Home Screen widgets Jump straight from a Lock Screen widget into a new note. The Home Screen widget lists your recent notes; tap one to open it directly. β–  Control Center (iOS 18) Add β€œNew Note” to Control Center and start writing from anywhere with one tap. β–  Smart full-text search Kana, full/half-width and upper/lowercase are all treated alike, with multi-word AND search to find any note fast. β–  Export & share Share a single note, or export your whole list as a text file. All data is stored on your device. No account required. [Pricing] Every feature is available. A banner ad is shown at the bottom of the screen. A one-time β€œRemove Ads” purchase hides it permanently (no subscription). Privacy policy: https://honki.ai/byosoku-memo/privacy.html

Screenshots

CalcNotes4 screens
Byosoku Memo3 screens

Verdict

The call

The clearest difference is ads: CalcNotes at none against Byosoku Memo's shown. CalcNotes also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, in-app purchases 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. CalcNotes sells 2 in-app purchases, starting at $1.99 per month and Byosoku Memo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CalcNotes ships an update weekly, Byosoku Memo fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Β· 4 level
CalcNotes versus Byosoku Memo: the parameters behind the verdict, then further details
ParameterCalcNotesByosoku Memo
PriceFreeFree
Update frequencyWeekly β€” betterFortnightly
AdsNo β€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size52 MB8 MB
Age rating4+4+
Developernaoki otsuδΈ½δ½³ ζ–½

In-app purchases

2 purchases

CalcNotes

Subscriptions1
  • Premium$1.991 Month
One-time1
  • Premium (Pay Once)$4.99
1 purchases

Byosoku Memo

One-time1
  • Remove Ads$0.49

Questions

Is CalcNotes free?
CalcNotes is free to download, with in-app purchases available.
Is Byosoku Memo free?
Byosoku Memo is free to download, with in-app purchases available.
Do CalcNotes or Byosoku Memo have ads?
Byosoku Memo shows ads; CalcNotes does not.
Which is updated more often, CalcNotes or Byosoku Memo?
CalcNotes ships an update weekly, and Byosoku Memo fortnightly. Most recently, CalcNotes was updated on October 30, 2026 and Byosoku Memo on October 31, 2026.

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