Comparison

Calculator S.L.U.Y.S+ vs QR Code Scanner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calculator S.L.U.Y.S+

Features
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Entrust daily usual calc to S.L.U.Y.S! Simple calculator that always performs binary operations. Haven't you experienced? Problem when calc like... 1+2x3=7 Calc S.L.U.Y.S calc like.. 1+2x3=9 Simple, easy to use calc App nice for daily usual calc like consumption tax. Save up to 50 calc progressions and change part of it later. Useful for calculate shopping where the unit price and quantity change little by little each time. Performs two-items calculations with tree-structures in easy operation. Calc progression display, and “Go back” the progression. “Structured calc” in easy operation. “Calc Unit” 2 consumption tax rates. Input order calculation. Not Normal arithmetic order. Always operate on the calculation results up to immediately before. Calc Units ・ Handle “Calc Unit” which is calc progression before pressing “=“. ・ Re-calc “Calc Unit” with correction. ・ Copy-Paste “Calc Unit” with Text format data. ・ Save “Calc Unit” capability ( Up to 50 calcs with + edition ). ・ Load “Calc Unit” and re-calc with correction. ・ Register 2 consumption tax rates Tax included / excluded calc button with 2 types of consumption tax rates. ・ You can change tax rates on “Settings” at anytime. Structured calc ・ Go down and up between hierarchy with “Enter detail” button and “Parent node” button during calculation. Disclaimer ・ Please note that we are not responsible for any loss or damage caused by using this software. ・ We do our best to ensure the accuracy of the calculation results by this software, but we do not guarantee the accuracy.

About

QR Code Scanner

This utility app transforms your device into a powerful QR code and barcode scanner. It can also generate custom QR codes and barcodes, supporting a wide range of code types for efficient data access and sharing.

Highlights
  • Scan QR codes and barcodes
  • Create QR codes and barcodes
  • Supports various code types
  • Direct app integration
  • Haptic Touch and Control Center shortcuts
  • 100% local processing for privacy
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QR Scanner: QR Code Reader – All-in-One Utility Transform your device into an efficient QR code reader and barcode scanner with QR Scanner: QR Code Reader. This versatile app not only scans but also lets you create QR codes and barcodes effortlessly, anytime, anywhere. Key Features: - Quickly scan QR codes and barcodes using your device’s camera. - Supports all types of QR codes including links, contacts, messages, emails, locations, Wi-Fi, social accounts, and many more. - Fast scanning for food & products. - Use Haptic Touch for quick actions and integrate with the Control Center for faster access to the scanner. - Easily create your own QR codes and barcodes. - Share several images simultaneously for scanning within the app. - Directly open corresponding apps for quick and seamless access. For example, scan a YouTube link and instantly launch the YouTube app to view the video. - Supported code types include QR Code, Barcode, Aztec, Codabar, Data Matrix, PDF417, ITF, Code128, Code93, Code39, EAN-8, EAN-13, UPC-A, and UPC-E among others. QR Scanner: QR Code Reader is your go-to solution for all scanning needs. From organizing and accessing important data to sharing high-quality barcodes, our app ensures reliability and efficiency. Why Choose QR Scanner? - Fast and reliable scanning - 100% Local Processing for enhanced privacy - Intuitive user interface - Comprehensive support for various code types - Enhancements like Haptic Touch and Control Center shortcuts - Pay once, unlock features on iPhone, iPad, and Mac. Elevate your scanning capabilities with QR Scanner: QR Code Reader. Download now and experience the ultimate convenience in QR code and barcode scanning! • Privacy Policy: https://shieldapps.notion.site/QR-Scanner-Privacy-Policy-4da59be76c8d43f29194ba63b1fdae0b • Terms of Use: https://shieldapps.notion.site/QR-Scanner-Terms-Conditions-1a04c9c74d2c45a3b551aa05316e19ce

Screenshots

Calculator S.L.U.Y.S+4 screens
QR Code Scanner4 screens

Verdict

The call

The clearest difference is price: QR Code Scanner at Free against Calculator S.L.U.Y.S+'s $1.99. QR Code Scanner also leads on update cadence (every 2 weeks vs every 3 months). Calculator S.L.U.Y.S+'s advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

QR Code Scanner is free to download; Calculator S.L.U.Y.S+ costs $1.99 up front. QR Code Scanner sells 4 in-app purchases, starting at $4.99 per month. Calculator S.L.U.Y.S+ asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator S.L.U.Y.S+ ships an update every 3 months, QR Code Scanner every 2 weeks. The most recent releases landed on June 28, 2026 and August 20, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator S.L.U.Y.S+ versus QR Code Scanner: the parameters behind the verdict, then further details
ParameterCalculator S.L.U.Y.S+QR Code Scanner
Price$1.99Free — better
Rating—4.7 (15 ratings) — better
Positive reviews—55.6% of reviews
Number of ratings—15 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.514.0 — better
Further details — not scored
Size3 MB15 MB
Age rating4+4+
DeveloperImagineSpark Inc.满 李

In-app purchases

None

Calculator S.L.U.Y.S+

No in-app purchases

4 purchases

QR Code Scanner

Subscriptions3
  • Upgrade to Pro - Monthly$4.991 Month
  • Upgrade to Pro - Annual3 Days trial$9.991 Year
  • Upgrade to Pro - Annual3 Days trial$14.991 Year
One-time1
  • QR Scanner Pro - Lifetime$29.99

Questions

Is Calculator S.L.U.Y.S+ free?
Calculator S.L.U.Y.S+ costs $1.99, with no in-app purchases.
Is QR Code Scanner free?
QR Code Scanner is free to download, with in-app purchases available.
Do Calculator S.L.U.Y.S+ or QR Code Scanner have ads?
Neither Calculator S.L.U.Y.S+ nor QR Code Scanner shows ads.
Which is updated more often, Calculator S.L.U.Y.S+ or QR Code Scanner?
Calculator S.L.U.Y.S+ ships an update every 3 months, and QR Code Scanner every 2 weeks. Most recently, Calculator S.L.U.Y.S+ was updated on June 28, 2026 and QR Code Scanner on August 20, 2026.

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