RPN vs SoloKool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RPN
This utility app functions as a reverse Polish notation calculator. Users input numbers and operations using a stack-based interface to perform calculations. It's designed for straightforward mathematical tasks.
- Reverse Polish Notation (RPN) input
- Stack-based operation
- Intuitive digit and operation buttons
- Clear result display
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Simple reverse polish notation calculator. To make an operation you tap the number using the digit buttons. When you want to insert the number into the stack you press the orange button "Enter". When you're done inserting the numbers just tap the operation to do it. The result will be displayed but not put again into stack. Example: 6+7 is 6 enter, 7 enter +
SoloKool
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The SoloKool App is an easy to use application for your mobile devices designed to offer you complete control of your SoloKool devices. Key Features: Control On/Off power Control fan speed Battery status indicator Duration timer
Screenshots
Verdict
The clearest difference is in-app purchases: SoloKool at none against RPN's 1. SoloKool also leads on iOS requirement (12.0 vs 16.6). On price, 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. RPN sells 1 one-off in-app purchase. SoloKool asks for nothing beyond the download.
| Parameter | RPN | SoloKool |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomas Stankiewicz Baldassarri | SoloKool LLC |
In-app purchases
RPN
- Stack LCD$0.49
SoloKool
No in-app purchases
