Comparison

Whenlyy vs Calculator Pro

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

Head to head
About

Whenlyy

Features
Read full description

It is an application where you can see how many years, months, weeks, days or minutes are left or how much time has passed since this date, where you can set a notification for each date, and where you can see these dates as widgets.

About

Calculator Pro

This comprehensive toolkit offers standard and scientific calculations, currency and unit conversions, and financial planning tools. It features a clean interface with multi-language support and customizable options for everyday math needs.

Highlights
  • Standard and scientific calculator modes
  • Real-time currency conversion
  • Extensive unit converter
  • Mortgage and finance estimators
  • Calculation history and widget
  • Multi-language support
  • Dark Mode
Features
Read full description

Calculator Pro brings a scientific calculator, a currency converter, a unit converter, and number-base conversion together in one place. Compare exchange rates on a single screen, convert units and number bases, calculate percentages and discounts, and revisit recent calculations with a Home Screen widget. Depending on your region and language, you can also access useful tools for dates, mortgages, savings estimates, and more. CURRENCY CONVERTER Keep your frequently used currencies together in an editable list. Compare travel money and prices across currencies at a glance. Exchange rates may be delayed and are for reference only. UNIT CONVERTER Enter a value once and compare supported units across length, mass, temperature, time, area, volume, speed, engineering, electricity, and digital storage. EVERYDAY CALCULATORS Use base conversion, BMI estimation, random numbers, percentages, discounts, and other practical tools. SCIENTIFIC CALCULATOR Perform everyday arithmetic and scientific calculations, including trigonometric functions, logarithms, exponents, roots, and factorials. Switch between degree and radian modes. CALCULATION HISTORY AND WIDGET Review previous calculations and continue from an earlier result. Use the Home Screen widget to access recent calculations. Exchange rates and financial estimates are for informational purposes only. BMI is an estimate, not a medical assessment. These tools do not constitute investment, medical, tax, or legal advice. Verify important decisions with appropriate official or professional sources. Terms of Use: https://iorangepie.com/supercalculator/terms.html Privacy Policy: https://iorangepie.com/supercalculator/privacy.html

Screenshots

Whenlyy4 screens
Calculator Pro4 screens

Verdict

The call

The clearest difference is update cadence: Calculator Pro at every 10 days against Whenlyy's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Whenlyy sells 1 one-off in-app purchase and Calculator Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Whenlyy ships an update every 2 months, Calculator Pro every 10 days. Both last shipped on November 5, 2026.

Scorecard1 real difference ยท 7 level
Whenlyy versus Calculator Pro: the parameters behind the verdict, then further details
ParameterWhenlyyCalculator Pro
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 2 monthsEvery 10 days โ€” better
AdsNoNo
In-app purchasesYesYes
Monetizationโ€”Free
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS16.6 โ€” better17.6
Further details โ€” not scored
Size5 MB7 MB
Age rating4+4+
DeveloperErkmen ErgulLOVE ORANGE TECHNOLOGY CO.,LTD

In-app purchases

1 purchases

Whenlyy

One-time1
  • Whenly Premium$1.79
1 purchases

Calculator Pro

One-time1
  • Lifetime Pro$4.99

Questions

Is Whenlyy free?
Whenlyy is free to download, with in-app purchases available.
Is Calculator Pro free?
Calculator Pro is free to download, with in-app purchases available.
Do Whenlyy or Calculator Pro have ads?
Neither Whenlyy nor Calculator Pro shows ads.
Which is updated more often, Whenlyy or Calculator Pro?
Whenlyy ships an update every 2 months, and Calculator Pro every 10 days. Most recently, Whenlyy was updated on November 5, 2026 and Calculator Pro on November 5, 2026.

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