Comparison

PrimeCalc vs Calculate Note

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

Head to head
About

PrimeCalc

Features
Read full description

--- PrimeCalc feature --- ■ Normal arithmetic operation (×, /, +, -) is available. ■ prime: integer calculation (Division remainder ÷, prime factorization p) can be done. (You can also exponentiate.) ■ auto: Automatic calculation, memory storage, history recording is possible. ■ global: Digit display of countries around the world is possible. (千、万、億、兆、京、垓、・・・) ■ iPhone / iPad is available. Free. We are displaying advertisements. Caution) In case of large number, calculation error etc. may occur. Please use it together with other calculator. If you have comments, questions, etc., please email or bulletin board. http: //www.eonet.ne.jp/~treechart/

About

Calculate Note

This calculator app records all your calculations with customizable names and comments. Easily find past calculations and share your notes directly with others. It helps you keep track of your financial entries beyond just numbers.

Highlights
  • Records all calculations
  • Customizable calculation names
  • Add comments to calculations
  • Quickly find calculation notes
  • Share calculation notes
Features
Read full description

Calculate Note is more than just a calculator — it's your personal calculation notebook that automatically records every calculation you make. Never lose track of your numbers again. Whether you're splitting a restaurant bill, calculating shopping discounts, managing household expenses, or figuring out tips, every calculation is saved with a name and timestamp for easy reference. KEY FEATURES: • Automatic Calculation History — Every calculation is recorded automatically • Custom Names — Name each calculation (defaults to date) for easy identification • Quick Search — Find any past calculation instantly • Share Directly — Export and share calculation notes with friends and family • Tip Calculator — Built-in tip sharing for restaurants and group dining • Smart Notes — Add comments and notes to any calculation Perfect for everyday use: shopping lists, budget tracking, expense sharing, tip calculations, and more. Download now and transform the way you calculate!

Screenshots

PrimeCalc1 screens
Calculate Note4 screens

Verdict

The call

The clearest difference is update cadence: PrimeCalc at every 5 weeks against Calculate Note's every 18 months. PrimeCalc also leads on iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PrimeCalc ships an update every 5 weeks, Calculate Note every 18 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

Scorecard2 real differences · 8 level
PrimeCalc versus Calculate Note: the parameters behind the verdict, then further details
ParameterPrimeCalcCalculate Note
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 5 weeks — betterEvery 18 months
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size12 MB5 MB
Age rating4+4+
DeveloperYutaka NakaoCHI HAO CHIU

In-app purchases

None

PrimeCalc

No in-app purchases

None

Calculate Note

No in-app purchases

Questions

Is PrimeCalc free?
PrimeCalc is free to download, with no in-app purchases.
Is Calculate Note free?
Calculate Note is free to download, with no in-app purchases.
Do PrimeCalc or Calculate Note have ads?
Both PrimeCalc and Calculate Note show ads.
Which is updated more often, PrimeCalc or Calculate Note?
PrimeCalc ships an update every 5 weeks, and Calculate Note every 18 months. Most recently, PrimeCalc was updated on October 26, 2026 and Calculate Note on October 23, 2026.

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