Command vs Calculation!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Command
This app offers a command-line interface for performing complex calculations, including chained operations, variable assignments, and advanced mathematical functions. It supports various number bases, constants, and provides a built-in help system for ease of use.
- Command-line interface
- Chained calculations
- Variable assignment
- Complex numbers
- Multiple number bases
- Unit and function definition
- Extensive math functions
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Command-Line Calculator (CLCalculator) provides the most fluid interface, especially if you are performing chained calculations i.e. multiple calculations that rely on the results of previous calculations. By providing a command-line interface, CLCalculator allows you to easily enter and view the history of your calculations. You focus on your calculations instead of being intimidated by myriad of buttons on a traditional calculator interface! In addition to performing basic calculations, CLCalculator provides an array of features such as: - Assign and reuse variables - Complex numbers - Number bases i.e. binary, octal, hexadecimal - Constants e.g. e, pi - String manipulation - Matrices - Unit conversion: in-built and user-defined (create your own units!) - Functions: in-built and user-defined (create your own functions!) - Arithmetic functions e.g. fraction, square root, rounding off, ceiling, floor, logarithm - Algebra functions e.g. derivative, simplify symbolic expressions, solve linear equations - Bitwise functions e.g. bitwise and, not, or, left and right shift - Combinatorics functions e.g. Bell, Catalan, Stirling numbers - Geometry functions - Logical functions e.g. and, not, or, xor - Probability functions e.g. combinations, permutations, factorial - Relational functions - Set functions e.g. cartesian product, intersection, union - Statistics functions e.g. mean, median, mode, standard deviation, variance - Trigonometry functions e.g. sin, cos, tan, cot, sinh, acos - and much more! The app also comes with a comprehensive in-built help system with plenty of examples. CLCalculator is powered by math.js (https://mathjs.org/)
Calculation!
This app provides a user-friendly scientific calculator with a comprehensive expression history. Easily copy past calculations and results with a simple double-tap. It includes advanced functions for complex mathematical needs.
- Copyable expression history
- Double tap to copy
- Ans button
- Trigonometric functions
- Degree and Radian modes
- Share functionality
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Calculation is an easy to use, scientific calculator with a copyable expression history. Key features: - Double tap to copy expressions and results - Expression history - Ans button - Trig and inverse trig functions - EE, π, and e - Degree and Radian modes - Share with friends button
Screenshots
Verdict
The clearest difference is ratings volume: Calculation! at 88 against Command's 5. Command's advantage is update cadence (every 5 days vs every 10 days) and device support (4 vs 2). On price, rating, review sentiment 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Command against 5.0 for Calculation!. That said, the two scores are not equally well evidenced: Calculation! has 88 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Command ships an update every 5 days, Calculation! every 10 days. The most recent releases landed on September 9, 2026 and October 3, 2026 respectively.
| Parameter | Command | Calculation! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (88 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 | 88 — better |
| Update frequency | Every 5 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.3 |
| Further details — not scored | ||
| Size | 1 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Ketan Appa | Paul Koomey |
Customer experience
Command
Calculation!
Bugs and requests
Command
Not enough reviews yet to summarise bugs or requests.
Calculation!
Requested features
8 requests- Add more operations to match default Apple calculator
- Implement copy paste from outside the app
- Add dark mode
- iPad and macOS versions
- Make hitting enter on a blank line re-enter previous input
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- Change color of 'clear' button and vary 'delete'/'menu' button colors
- Send to newline after overflow error
- Themes menu
In-app purchases
Command
No in-app purchases
Calculation!
No in-app purchases









