Calc² vs OmniCounter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- One-handed typing support
- Left-handed layout option
- Copy/Paste functionality
- Calculation history
- Customizable themes and app icons
- Adjustable decimal places
- Adjustable animations
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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
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.
- 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
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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
Verdict
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
Both are free to download. OmniCounter sells 10 one-off in-app purchases. Calc² asks for nothing beyond the download.
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.
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.
| Parameter | Calc² | OmniCounter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 11 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 11.2 — better | 13.0 |
| Further details — not scored | ||
| Size | 24 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Manar Alhamdy | 留传 于 |
Customer experience
Calc²
OmniCounter
In-app purchases
Calc²
No in-app purchases
OmniCounter
- Datetime$0.99
- Calculus$2.99
- Combinatorics$2.99
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- Economics$2.99
- Geometry$2.99
- Matrix & Vector$2.99
- SpecialFunction$2.99
- NumberTheory$2.99
- Statistics$2.99
- Trigonometry$2.99








