Comparison

Creatinine Clearance Calc Pro vs QR Code Master

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

Head to head
About

Creatinine Clearance Calc Pro

Features
Read full description

Creatinine Clearance Calculator - Professional Calculation Tool Precise Calculations, Scientifically Reliable • Based on international standard mathematical formulas • Supports multiple measurement units (mg/dL, μmol/L, kg, lbs) • Smart unit conversion with accurate results Data Management, History Storage • Automatically saves calculation results • Complete calculation history management • Data visualization for easy analysis and comparison Clean & Efficient, Easy to Use crcl calculator • Clean interface design with intuitive operation • Multi-language interface support • Offline calculation, use anywhere anytime • Quick input with instant results Perfect for students, researchers, engineers, and professionals who need reliable numerical calculations. Making complex calculations simple and efficient! SUBSCRIPTION & LEGAL INFORMATION **Subscription:** This app offers auto-renewable subscriptions for premium features. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage subscriptions in your Account Settings after purchase. **Privacy Policy:** https://koo8chun.github.io/ccrapp/privacy-policy.html **Terms of Use:** https://koo8chun.github.io/ccrapp/terms-of-service.html This app uses the standard Apple Terms of Use (EULA). For subscription terms and conditions, please see: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Medical Disclaimer: This app is for educational purposes only and should not replace professional medical advice. Always consult with a healthcare provider for medical decisions.

About

QR Code Master

Features
Read full description

Private QR scanner & generator - offline by default. No ads. No accounts.No tracking. Everything stays on your device. Scan QR codes and create your own in seconds. Share Wi-Fi access, links, contacts, and more, without clutter or accounts. Scan - Fast, automatic scanning - Scan using the camera or from photos - Safe preview before opening links - Works offline Create - Website links - Wi-Fi access - Contacts (vCard) - Text, phone numbers, email - Locations Save & reuse - Automatically saves scanned and created codes - Rename items for easy reuse - Re-open or share anytime Export - Save as image - Share instantly - Works with Photos and Files - - - - - - Designed to be simple QR Code Master focuses on the essentials: - No ads - No accounts - No tracking - Everything stays on your device Perfect for sharing Wi-Fi, creating contact cards, printing simple codes, or keeping useful links close at hand. - - - - - - Privacy Your data stays on your device. No sign-up required. No analytics tracking your content.

Screenshots

Creatinine Clearance Calc Pro4 screens
QR Code Master3 screens

Verdict

The call

The clearest difference is in-app purchases: QR Code Master at none against Creatinine Clearance Calc Pro's 2. QR Code Master also leads on update cadence (every 2 days vs every 3 weeks). Creatinine Clearance Calc Pro's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17). On price and ads 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

Both are free to download. Creatinine Clearance Calc Pro sells 2 in-app purchases, starting at $1.99 per month. QR Code Master asks for nothing beyond the download.

UpkeepUpdate frequency

Creatinine Clearance Calc Pro ships an update every 3 weeks, QR Code Master every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 2 level
Creatinine Clearance Calc Pro versus QR Code Master: the parameters behind the verdict, then further details
ParameterCreatinine Clearance Calc ProQR Code Master
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17
Further details — not scored
Size33 MB12 MB
Age rating17+4+
Developer立春 代Costhap

In-app purchases

2 purchases

Creatinine Clearance Calc Pro

Subscriptions2
  • Monthly Subscription7 Days trial$1.991 Month
  • yearly Subscription7 Days trial$9.991 Year
None

QR Code Master

No in-app purchases

Questions

Is Creatinine Clearance Calc Pro free?
Creatinine Clearance Calc Pro is free to download, with in-app purchases available.
Is QR Code Master free?
QR Code Master is free to download, with no in-app purchases.
Do Creatinine Clearance Calc Pro or QR Code Master have ads?
Neither Creatinine Clearance Calc Pro nor QR Code Master shows ads.
Which is updated more often, Creatinine Clearance Calc Pro or QR Code Master?
Creatinine Clearance Calc Pro ships an update every 3 weeks, and QR Code Master every 2 days. Most recently, Creatinine Clearance Calc Pro was updated on October 30, 2026 and QR Code Master on October 31, 2026.

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