Calculator83 vs Calculation!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator83
A minimalist calculator app focused on simplicity and a clean workflow. It offers both basic and scientific modes, allowing users to perform calculations without complex settings. Get started quickly with this straightforward tool.
- Minimalist design
- Clean workflow
- Basic mode
- Scientific mode
- Easy to use
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Calculator83 is a minimalist calculator designed with simplicity to the core and an emphasis on a clean workflow. Be up and running in seconds! Featuring two modes of operation, basic and scientific. The goal of this app is to allow users to have a powerful calculator without the fuss of learning all the settings of a powerful calculator.
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
Calculator83 and Calculation! both sit at 5.0 stars, but that hides the real split: 100% of Calculation!'s written reviews are positive against 63% of Calculator83's. Calculation! also leads on update cadence (every 10 days vs every 20 months) and ratings volume (88 vs 4). On price, rating, ads and in-app purchases 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 Calculator83 against 5.0 for Calculation!. That said, the two scores are not equally well evidenced: Calculation! has 88 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 63% of Calculator83's written reviews are positive against 100% of Calculation!'s.
Calculator83 ships an update every 20 months, Calculation! every 10 days. Both last shipped on October 3, 2026.
| Parameter | Calculator83 | Calculation! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (88 ratings) |
| Positive reviews | 62.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 88 — better |
| Update frequency | Every 20 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 14.3 — better |
| Further details — not scored | ||
| Size | 10 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Lyker Labs LLC | Paul Koomey |
Customer experience
Calculator83
Calculation!
Bugs and requests
Calculator83
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
Calculator83
No in-app purchases
Calculation!
No in-app purchases
Questions
Is Calculator83 free?
Is Calculation! free?
Which has better reviews, Calculator83 or Calculation!?
Do Calculator83 or Calculation! have ads?
Which is updated more often, Calculator83 or Calculation!?
Other comparisons
