Comparison

CalcNotes vs Plusm

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
Read full 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. 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

Plusm

Features
Read full description

Plusm is a notepad-style calculator that lets you type the way you think. No buttons. No formulas. Just type plain text and see results instantly β€” right next to each line. CALCULATE NATURALLY Write math like you would on paper. Mix numbers, labels, and notes freely: Rent: $1,450 Groceries: 320 + 45.50 Total: $1,450 + 365.50 CONVERT ANYTHING Currencies, units, and more β€” just type it: 250 USD to EUR 5.8 feet to cm 72Β°F to Β°C 0.5 BTC to USD WORK WITH DATES today + 90 days March 1 - January 15 USE VARIABLES price = 299 price + 8.5% AND MORE now in Tokyo sqrt(144), sin(45) 0xFF, 0b1010 ORGANIZE WITH PAGES Keep separate calculations in named pages β€” monthly budget, trip planning, work hours. Everything saves automatically. MENU BAR MODE Access Plusm from your menu bar with one click. Quick calculations without leaving what you're doing. BUILT FOR YOU Native app. Dark mode. Keyboard-first. Fast and lightweight. Plusm Pro unlocks unlimited pages, currency & crypto conversion, and menu bar mode. Free version includes full math, unit conversion, and three pages. Terms of Use: https://plusm.app/terms EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CalcNotes4 screens
Plusm3 screens

Verdict

The call

The clearest difference is update cadence: CalcNotes at weekly against Plusm's every 5 months. CalcNotes also leads on iOS requirement (15.1 vs 18.0). On price, ads, 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 Plusm sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CalcNotes ships an update weekly, Plusm every 5 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

Scorecard2 real differences Β· 4 level
CalcNotes versus Plusm: the parameters behind the verdict, then further details
ParameterCalcNotesPlusm
PriceFreeFree
Update frequencyWeekly β€” betterEvery 5 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, Mac
Requires iOS15.1 β€” better18.0
Further details β€” not scored
Size51 MB4 MB
Age rating4+4+
Developernaoki otsuEgor Sigaev

In-app purchases

2 purchases

CalcNotes

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

Plusm

Subscriptions2
  • Plusm Pro Monthly7 Days trial$2.991 Month
  • Plusm Pro Yearly7 Days trial$17.991 Year
One-time1
  • Plusm Pro Lifetime$24.99

Questions

Is CalcNotes free?
CalcNotes is free to download, with in-app purchases available.
Is Plusm free?
Plusm is free to download, with in-app purchases available.
Do CalcNotes or Plusm have ads?
Neither CalcNotes nor Plusm shows ads.
Which is updated more often, CalcNotes or Plusm?
CalcNotes ships an update weekly, and Plusm every 5 months. Most recently, CalcNotes was updated on September 20, 2026 and Plusm on September 10, 2026.

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