Comparison

eCalculator vs CaIculator

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

Head to head
About

eCalculator

This app enhances the standard calculator with advanced features like history, equation viewing, and a scientific mode. It offers specialized calculators for fractions, programming, and tips, along with extensive unit and currency conversions. Personalize your experience with themes and keyboard input.

Highlights
  • Basic and scientific calculations
  • Fraction calculator
  • Programmer calculator (binary, octal, decimal, hex)
  • Unit and currency converter
  • Tip calculator and bill splitter
  • Calculation history and equation view
  • Widget support and keyboard input
Features
Read full description

Designed to take the original calculator to the next level with simplicity and functionality. This app features all basic and scientifc calculation from the original calculator with more advanced functions like history, calculation equation, scientific mode in portrait, calculation on the widget, themes, and keyboard input. Unlock the power of binary, octal, decimal, and hexadecimal math with Programmer Calculator. Solve fraction math problem quickly and easily with fraction calculator. Includes international currency conversion and variety of units conversion categories. Tip calculator to calculate tip percentage for food and drink on the fly. Save time when use bill splitter, and tip exactly what you mean to, no more, no less. BASIC/SCIENTIFIC CALCULATOR • All functions like the original calculator app • Basic calculation in portrait • Scientific calculation in both portrait and landscape • Access result and do calculation on widget • Switch between Degrees and Radians calculations • Make more complex calculations with Memory buttons • Simply swipe on the digits to delete a single wrong digit UNIT CONVERTER • Currency converter with daily updated exchange rates in the universal currency • Freely convert units from variety of categories • All catalogs in converter include: Currency, Area, Data, Length, Weight, Velocity, Temperature, Time, Volume, Acceleration, Angle, Current, Energy, Force, Illumination, Inductance, Magnitude, Power, Pressure, Radiation and Torque FRACTION CALCULATOR • Built-in fraction calculator to solve fraction math • Display result in proper fraction, improper fraction or decimal number PROGRAMMER CALCULATOR • Multi-base calculations with seamlessly switch between binary, octal, decimal and hexadecimal • Perform arithmetic and logical operations • Directly view and manipulate the individual bits of the binary number with built-in Bit Editor TIP CALCULATOR • Calculate tip of bill on the fly • Split the bill to share with others • Simply swipe to round any number of total, tip, or per person • Built-in share function to easily share the number SIMPLICITY • Check previous calculation with history • View whole equation during calculation • Copy and paste numbers from or into display • Support external hardware keyboard input • Quickly launch different modes with home screen quick action INTERFACE • Get new feel of different looks with multiple themes • Buttons feedback sound and haptic to ensure you touch the buttons correctly NOTES: • To add widget in iOS 14 or later, scroll to the bottom of the widget list, tap Edit, tap Customize, add Calculator widget, and tap Done.

About

CaIculator

A simple and intuitive calculator app designed for ease of use. It offers features like a backspace key, decimal point/comma support, calculation history, and customizable themes. Regular updates ensure continuous improvement.

Highlights
  • Intuitive interface with large buttons
  • Backspace key for corrections
  • Decimal point or comma support
  • Calculation history display
  • Two customizable themes
  • Regular updates with new features
Features
Read full description

Calculator app. Simple, easy to use, and packed with features to help you get the job done. Our calculator is designed with you in mind, whether you're a student, a professional, or just need to do some quick calculations. Our calculator app features a sleek and intuitive interface, with large buttons and a clear display for easy input and output. Plus, with the backspace key you can correct or change numbers. Other features of our calculator app include support for decimal point or decimal comma, a display log for your calculation, and two themes to choose from!. And with regular updates and new features being added all the time, our calculator app is always improving and getting even better. Download our calculator app today and experience the ultimate in calculation convenience and accuracy!

Screenshots

eCalculator4 screens
CaIculator4 screens

Verdict

The call

The clearest difference is rating: CaIculator at 4.9 against eCalculator's 4.6. CaIculator also leads on review sentiment (100% vs 80%). eCalculator's advantage is ratings volume (156 vs 27). On price, update cadence, ads and in-app purchases 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. eCalculator sells 1 one-off in-app purchase and CaIculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CaIculator holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: eCalculator has 156 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 80% of eCalculator's written reviews are positive against 100% of CaIculator's.

UpkeepUpdate frequency

eCalculator ships an update every 3 months, CaIculator every 5 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
eCalculator versus CaIculator: the parameters behind the verdict, then further details
ParametereCalculatorCaIculator
PriceFreeFree
Rating4.6 (156 ratings)4.9 (27 ratings) — better
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings156 — better27
Update frequencyEvery 3 months — betterEvery 5 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better12.0
Further details — not scored
Size77 MB61 MB
Age rating4+4+
DeveloperRatha SouEdison Largo

Customer experience

eCalculator

All ratings151 ratings
Positive91.4%
Neutral2.6%
Negative6.0%
Written reviews10 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

CaIculator

All ratings22 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

eCalculator

One-time1
  • Full Version$4.99
1 purchases

CaIculator

One-time1
  • Remove Ads$3.99

Questions

Is eCalculator free?
eCalculator is free to download, with in-app purchases available.
Is CaIculator free?
CaIculator is free to download, with in-app purchases available.
Which has better reviews, eCalculator or CaIculator?
CaIculator is rated higher. eCalculator averages 4.6 out of 5 from 156 ratings, while CaIculator averages 4.9 from 27 ratings.
Do eCalculator or CaIculator have ads?
Both eCalculator and CaIculator show ads.
Which is updated more often, eCalculator or CaIculator?
eCalculator ships an update every 3 months, and CaIculator every 5 months. Most recently, eCalculator was updated on November 3, 2026 and CaIculator on November 3, 2026.

Other comparisons