WP 31s vs CaaaalcIt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WP 31s
This app emulates a classic RPN scientific calculator, offering a rich function set for daily use with a simplified interface. It's based on the more complex WP 34s but is designed for easier operation.
- RPN scientific calculator emulation
- Rich function set
- Simplified, less cluttered keyboard
- Based on WP 34s
- Available on iOS
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WP 31s is a classic RPN scientific calculator based on the powerful but more complex WP 34s. Now available on iOS too (see the support site for other emulators and for the real stuff). It is not programmable but has a rich function set for daily use and is easier to use, thanks to a less cluttered keyboard. A manual can be downloaded at http://sourceforge.net/projects/wp34s/files/doc/Manual_wp_31s_1_2q.pdf/download
CaaaalcIt
This calculator app uses Reverse Polish Notation (RPN) for efficient calculations. It features a visible stack for tracking operations and offers numerous functions to explore.
- Reverse Polish Notation (RPN)
- 4 visible stack levels
- Numerous functions
- Intuitive interface
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An intuitive Reverse Polish Notation calculator with 4 visible stack levels :-), and many more functions to discover !
Screenshots
Verdict
The clearest difference is review sentiment: WP 31s at 100% against CaaaalcIt's 0%. CaaaalcIt's advantage is iOS requirement (10.2 vs 12.0). On price, ads, in-app purchases and monetization model 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.
| Parameter | WP 31s | CaaaalcIt |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (15 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 15 — better | — |
| Update frequency | Every 10 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 10.2 — better |
| Further details — not scored | ||
| Size | 16 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Pascal Meheut | darius beretta |
Customer experience
WP 31s
CaaaalcIt
In-app purchases
WP 31s
No in-app purchases
CaaaalcIt
No in-app purchases
