Comparison

Calc Pro vs CPMS

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

Head to head
About

Calc Pro

This powerful calculator handles complex equations and huge numbers with up to 15 digits of precision. It saves your calculation history, allowing you to reuse previous equations and answers. Access scientific functions like square root and logarithms easily with a swipe.

Highlights
  • Complex calculations
  • Huge number handling
  • Calculation history
  • Scientific functions
  • Dark Mode
  • Copy answer
Features
Read full description

Calc Pro can do complicated calculations easily. It is a very powerful math calculator but easy to use. Calc Pro also handles huge numbers without ellipsis. Most calculators will only handle calculations involving numbers with up to 13 digits, but this one allows for larger and more precise calculations, supporting up to 15 digits of precision to the right of the decimal, and big enough digits to the left. Calculation history won't be lost when the app is closed. You can reuse calculation equations and answers by tapping. Calc Pro also supports mathematical functions like square root, logarithm, combinations, and permutation. You can easily access these functions by swiping. Features: - Arithmetic - Calculation with parentheses - Dark Mode - Huge Number Handling - Copy calc answer with a long press - Calculation history - Scientific calculation - Swipe to change the keyboard easily

About

CPMS

Features
Read full description

this app is for user to access forms, review forms, and approve forms

Screenshots

Calc Pro4 screens
CPMS2 screens

Verdict

The call

The clearest difference is ads: CPMS at none against Calc Pro's shown. Calc Pro's advantage is update cadence (monthly vs every 67 months). On price, in-app purchases, device support and iOS requirement 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

Calc Pro ships an update monthly, CPMS every 67 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Calc Pro versus CPMS: the parameters behind the verdict, then further details
ParameterCalc ProCPMS
PriceFreeFree
Rating4.8 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyMonthly — betterEvery 67 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.6 — better
Further details — not scored
Size8 MB12 MB
Age rating4+4+
DeveloperKeita NonakaBEX SOLUTIONS LIMITED

In-app purchases

None

Calc Pro

No in-app purchases

None

CPMS

No in-app purchases

Questions

Is Calc Pro free?
Calc Pro is free to download, with no in-app purchases.
Is CPMS free?
CPMS is free to download, with no in-app purchases.
Do Calc Pro or CPMS have ads?
Calc Pro shows ads; CPMS does not.
Which is updated more often, Calc Pro or CPMS?
Calc Pro ships an update monthly, and CPMS every 67 months. Most recently, Calc Pro was updated on November 2, 2026 and CPMS on November 3, 2026.

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