Calculator83 vs Calculator with 12 button
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.
Calculator with 12 button
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A calculator with a (12) button that allows for fast typing
Screenshots
Verdict
The clearest difference is ads: Calculator83 at none against Calculator with 12 button's shown. Calculator83 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). Calculator with 12 button's advantage is update cadence (every 2 months vs every 20 months). On price 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.
Calculator83 ships an update every 20 months, Calculator with 12 button every 2 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.
| Parameter | Calculator83 | Calculator with 12 button |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 20 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 10 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Lyker Labs LLC | Hideaki Uchikoshi |
In-app purchases
Calculator83
No in-app purchases
Calculator with 12 button
No in-app purchases
Questions
Is Calculator83 free?
Is Calculator with 12 button free?
Do Calculator83 or Calculator with 12 button have ads?
Which is updated more often, Calculator83 or Calculator with 12 button?
Other comparisons
