OmniCounter vs KuCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
KuCalc
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It is a calculator with basic functions. We pursued ease of use with a minimum number of buttons. It has a history function. It can copy the results to clipboard.
Screenshots
Verdict
The clearest difference is in-app purchases: KuCalc at none against OmniCounter's 10. KuCalc also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support 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. KuCalc asks for nothing beyond the download.
OmniCounter ships an update every 4 months, KuCalc every 3 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.
| Parameter | OmniCounter | KuCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 1 MB |
| Age rating | 4+ | 17+ |
| Developer | 留传 于 | Mineaki Sakatoku |
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
KuCalc
No in-app purchases
