Comparison

Omega Calculator vs CaIculator

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

Head to head
About

Omega Calculator

A beautiful and intuitive calculator app for iPhone and iPad, offering both basic arithmetic and advanced scientific functions. It features a smooth, fluid interface with large, colorful buttons and high-quality mathematical typesetting. Results are saved to a history tape and synced across devices, with customizable themes available.

Highlights
  • Basic and scientific calculation modes
  • Intuitive and fluid interface
  • High-quality mathematical typesetting
  • History tape for saved calculations
  • Customizable themes
  • Advanced functions (Pro version)
Features
Read full description

Welcome to Omega Calculator, a beautiful and intuitive calculator for your iPhone and iPad. It’s both familiar and powerful. A full-blown scientific calculator when you need it, and a simple arithmetic device when you don’t. A myriad of capabilities to suit your needs, from trivial computations to advanced mathematical functions. Perfect for students and professionals alike, or anyone in need of a high-quality, visually-pleasing calculator, capable of performing any mathematical task you throw its way. Simplicity meets elegance in the app’s intuitive design. The interface is smooth, fluid, and fun. Buttons are large and colorful, arranged to maximize efficiency and ease of use. The whole expression appears on one line as you input it, and then together with the result when you press enter. Characters are given high-quality mathematical typesetting. You can type in crazy long expressions and it’s a breeze. Results are saved to a history tape for future use, synced to all your devices. And you have the freedom to customize your calculator with different themes. We’re committed to providing an ad-free experience for everyone. No one wants to be interrupted by irrelevant ads while trying to use their calculator. That’s why Omega has no outside advertisements. We also don’t collect any data from users. Your calculations and any other information are kept on your device only. Unlock even more features with Omega Pro. Available as a single in-app purchase. All 30+ themes, an interactive text pointer for editing the input line, and saving and exporting your past calculations. Variables for storing and recalling values, plugging numbers into expressions, graphing functions, and more advanced operations like summation, derivatives, and integrals. It’s time to get the best calculator experience. Download Omega Calculator today.

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

Omega Calculator4 screens
CaIculator4 screens

Verdict

The call

The clearest difference is ads: Omega Calculator at none against CaIculator's shown. Omega Calculator also leads on update cadence (every 2 months vs every 5 months). CaIculator's advantage is rating (4.9 vs 4.7) and review sentiment (100% vs 83%). On price, ratings volume, in-app purchases and monetization model 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. Omega Calculator 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 4.7. Both are backed by a comparable volume of ratings — 44 and 27 respectively. Written reviews point the same way: 83% of Omega Calculator's written reviews are positive against 100% of CaIculator's.

UpkeepUpdate frequency

Omega Calculator ships an update every 2 months, CaIculator every 5 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Omega Calculator versus CaIculator: the parameters behind the verdict, then further details
ParameterOmega CalculatorCaIculator
PriceFreeFree
Rating4.7 (44 ratings)4.9 (27 ratings) — better
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings44 — better27
Update frequencyEvery 2 months — betterEvery 5 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size9 MB61 MB
Age rating4+4+
DeveloperJoseph RupertusEdison Largo

Customer experience

Omega Calculator

All ratings42 ratings
Positive90.5%
Neutral2.4%
Negative7.1%
Written reviews24 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

CaIculator

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

In-app purchases

1 purchases

Omega Calculator

One-time1
  • Omega Pro$6.99
1 purchases

CaIculator

One-time1
  • Remove Ads$3.99

Questions

Is Omega Calculator free?
Omega Calculator 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, Omega Calculator or CaIculator?
CaIculator is rated higher. Omega Calculator averages 4.7 out of 5 from 44 ratings, while CaIculator averages 4.9 from 27 ratings.
Do Omega Calculator or CaIculator have ads?
CaIculator shows ads; Omega Calculator does not.
Which is updated more often, Omega Calculator or CaIculator?
Omega Calculator ships an update every 2 months, and CaIculator every 5 months. Most recently, Omega Calculator was updated on October 24, 2026 and CaIculator on October 24, 2026.

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