Scan QR Code vs Stackis RPN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scan QR Code
Easily scan QR codes from your camera, photos, files, or iCloud. Save your scan history and perform actions like opening links or adding contacts directly from scanned codes. This user-friendly tool offers quick and reliable QR code decoding.
- Scan from camera, photos, files, or iCloud
- Save and manage scan history
- Direct actions on scanned codes
- User-friendly interface
- Quick and reliable scanning
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QR Code Scanner is your ultimate solution for scanning QR codes quickly and efficiently. Whether you're using your camera, photos, files, or even iCloud, scanning has never been easier. With our user-friendly interface, you can effortlessly decode QR codes of all types, from URLs and contact info to product information and more. Save and manage your scanning history with ease, allowing you to revisit previously scanned codes whenever you need. QR Code Scanner provides a variety of actions for each QR code, so you can open links, share information, add contacts directly, and more—all with a simple tap. Key Features: Scan QR codes using your camera, photos, files, or iCloud Save and manage your scanning history for easy access Perform various actions directly from scanned codes Quick, reliable, and easy-to-use interface Download QR Code Scanner today and make QR code scanning simpler than ever! QR Code Scanner app is free. You can use it forever, at no cost. However, QR Code Scanner does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. Terms of Use: https://kociapp.github.io/QR-Scanner/term-of-use Privacy Policy: https://kociapp.github.io/QR-Scanner/privacy-policy
Stackis RPN
A calculator designed for users who prefer Reverse Polish Notation (RPN). It offers a familiar interface for RPN users and includes support for duodecimal calculations.
- RPN calculation style
- Duodecimal (dozenal) support
- Familiar interface for RPN users
- Simple and pleasant user experience
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This is an RPN calculator in the style of, for instance, old HP models. It will feel familiar if you are used to RPN, otherwise it will probably be a little confusing at first. It's not programmable and it doesn't try to mimic older hardware; it's just meant to be a pleasant calculator for those who prefer to use RPN. Also, if you want to perform calculations in duodecimal (dozenal), this app is for you!
Screenshots
Verdict
The clearest difference is ads: Stackis RPN at none against Scan QR Code's shown. Stackis RPN also leads on monetization model (free vs free with in-app purchases). On price, rating, review sentiment and ratings volume 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. Scan QR Code sells 4 in-app purchases, starting at $1.99 per 7 days and Stackis RPN sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Scan QR Code against 5.0 for Stackis RPN. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
| Parameter | Scan QR Code | Stackis RPN |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | 2 |
| Update frequency | — | Every 4 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 11 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Andy Sutanto | Skimra |
Customer experience
Scan QR Code
Stackis RPN
In-app purchases
Scan QR Code
- Scan QR Code Pro - 1W$1.997 Days
- QR Code Scanner Pro - 1Y3 Days trial$19.991 Year
- Offering$19.99
- QR Code Scanner Pro - Lifetime$39.99
Stackis RPN
- Advanced Mode$1.99









