Comparison

Calc² vs OmniCounter

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

Head to head
About

Calc²

A customizable, one-handed calculator designed for iPad. Easily switch layouts for left-handed use and adjust decimal places and animations. Personalize themes that also change the app icon.

Highlights
  • One-handed typing support
  • Left-handed layout option
  • Copy/Paste functionality
  • Calculation history
  • Customizable themes and app icons
  • Adjustable decimal places
  • Adjustable animations
Features
Read full description

Calc² is a minimalistic calculator for the iPad that offers plenty of customization to cater to your own style. The number pad is designed so that you can hold the iPad and type with one hand, and if you are left-handed, you can move the number pad to the left. Calc² features: •Left handed supported •One-Handed supported •Copy/Paste support •History •Themes that also change the App Icon •Adjustable decmail places •Adjustable animations •Landscape/Portrait support

About

OmniCounter

This app is a comprehensive calculator with support for basic, scientific, and advanced mathematical functions. It features a customizable keyboard, multiple input bases, and expression beautification. Enjoy a powerful, ad-free calculation experience.

Highlights
  • Supports over a dozen computing categories
  • Customizable keyboard with auto-completion
  • Multiple input bases (binary, octal, decimal, hex)
  • Beautified input expressions
  • Optional historical features
  • Copy inputs and outputs
Features
Read full description

It's a Fully Functional Calculator that supports basic, scientific, trigonometry, algebra, calculus, combinatorics, datetime, economics, geometry, matrix, vector, number theory, statistics, and so on. · This App is permanently ad-free. · This App uses a powerful computing engine to support up to a dozen categories of computing, including basic, scientific, trigonometry, algebra, calculus, combinatorics, datetime, economics, geometry, matrix, vector, number theory, statistics, and more. · This app provides a customized keyboard that supports automatic completion and parameter prompts. In addition, the app also supports the system to include input from other third-party keyboards. · This app supports binary, octal, decimal, binary, and hex inputs and outputs. · This app beautifies the input expressions in different colors and spaces. · This app offers optional historical features (on by default). · This app supports the copying of inputs and outputs. · This app provides a number of configurable parameters. · This app was ingeniously built all by myself.

Screenshots

Calc²4 screens
OmniCounter4 screens

Verdict

The call

The clearest difference is in-app purchases: Calc² at none against OmniCounter's 10. Calc² also leads on update cadence (every 11 days vs every 4 months) and iOS requirement (11.2 vs 13.0). On price, rating, ratings volume and ads 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. OmniCounter sells 10 one-off in-app purchases. Calc² asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Calc² against 5.0 for OmniCounter. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

Calc² ships an update every 11 days, OmniCounter every 4 months. The most recent releases landed on August 16, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 7 level
Calc² versus OmniCounter: the parameters behind the verdict, then further details
ParameterCalc²OmniCounter
PriceFreeFree
Rating5.0 (2 ratings)5.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings24 — better
Update frequencyEvery 11 days — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS11.2 — better13.0
Further details — not scored
Size24 MB14 MB
Age rating4+4+
DeveloperManar Alhamdy留传 于

Customer experience

Calc²

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

OmniCounter

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calc²

No in-app purchases

10 purchases

OmniCounter

One-time10
  • Datetime$0.99
  • Calculus$2.99
  • Combinatorics$2.99
Show 7 more
  • Economics$2.99
  • Geometry$2.99
  • Matrix & Vector$2.99
  • SpecialFunction$2.99
  • NumberTheory$2.99
  • Statistics$2.99
  • Trigonometry$2.99

Questions

Is Calc² free?
Calc² is free to download, with no in-app purchases.
Is OmniCounter free?
OmniCounter is free to download, with in-app purchases available.
Which has better reviews, Calc² or OmniCounter?
Calc² and OmniCounter are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.
Do Calc² or OmniCounter have ads?
Neither Calc² nor OmniCounter shows ads.
Which is updated more often, Calc² or OmniCounter?
Calc² ships an update every 11 days, and OmniCounter every 4 months. Most recently, Calc² was updated on August 16, 2026 and OmniCounter on June 1, 2026.

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