Comparison

QR Code Reader & Scanner ◦ vs Brian's Power Calculator

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

Head to head
About

QR Code Reader & Scanner ◦

Instantly scan QR codes and barcodes with this fast, secure, and reliable utility. Effortlessly open links, connect to Wi-Fi, save contacts, or access text with smart actions. Keep a history of your scans, all while prioritizing your privacy as no data is collected.

Highlights
  • Fast and accurate scanning
  • Smart actions for links, Wi-Fi, contacts
  • Scan history tracking
  • Privacy-focused, no data collection
  • Flashlight support for low-light scanning
Features
Read full description

Scan QR codes and barcodes quickly with a tool built for everyday use. Detect links, text, contact details, Wi-Fi access, and other encoded information using your phone’s camera, with clear results and simple navigation. Key Features: - Instant Scan: Detect and decode QR codes and barcodes in real time. - Code Type Support: Scan URLs, text, vCards, Wi-Fi codes, events, and more. - Scan History: Keep previous scans available for quick access. - Flashlight Support: Use the built-in torch when scanning in low light. - Offline Scanning: Scan local QR codes and barcodes without an internet connection. - Simple Interface: Access the QR code reader and scanner tools without unnecessary steps. Scan QR codes, read barcodes, and return to previous results whenever you need them — all from one convenient scanner. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Privacy Policy: https://docs.google.com/document/d/1XoQ8rz87RGHMiptA4Tk3ppFUyxC_XJh4QAI9DPhsoqs/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/17ww8lbNkZkMQHca-ciYHoOWzAURqi4bGfAlmN8wgrIg/edit?usp=sharing

About

Brian's Power Calculator

Features
Read full description

Transform your electrical engineering workflow with this comprehensive calculator designed specifically for electrical professionals, students, and technicians. PROFESSIONAL CALCULATIONS • Power Triangle Analysis with visual diagrams • Three-Phase Power Systems • Power Factor Correction (capacitor sizing) • Voltage Drop & Regulation calculations • Short Circuit Analysis • Transformer Rating, Impedance & Efficiency • Energy Cost Analysis • Harmonic Distortion (THD) calculations • Cable Ampacity & Voltage Drop COMPREHENSIVE UNIT CONVERTER Convert between all electrical units including: • Power: Watts, Kilowatts, Horsepower, VA, VAR • Electrical: Voltage, Current, Resistance, Inductance, Capacitance • Energy: Wh, kWh, Joules, BTU • Physical: Length, Area, Temperature, Frequency SMART FEATURES • Calculation History with detailed results • Customisable Engineering Defaults • Professional Reference Materials • Safety Guidelines & Best Practices • Dark/Light Mode Support • Offline Functionality BUILT FOR PROFESSIONALS Whether you're designing electrical systems, performing field calculations, or studying electrical engineering, this app provides accurate, reliable calculations following industry standards. QUALITY ASSURANCE All calculations follow established electrical engineering principles. Always verify critical calculations with additional methods and use professional judgment for safety-critical applications. Perfect for electrical engineers, technicians, students, and anyone working with electrical systems. Download now and streamline your electrical calculations!

Screenshots

QR Code Reader & Scanner ◦4 screens
Brian's Power Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Brian's Power Calculator at none against QR Code Reader & Scanner ◦'s 10. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. QR Code Reader & Scanner ◦ sells 9 in-app purchases, starting at $5.99 per 7 days. Brian's Power Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 9 level
QR Code Reader & Scanner ◦ versus Brian's Power Calculator: the parameters behind the verdict, then further details
ParameterQR Code Reader & Scanner ◦Brian's Power Calculator
PriceFreeFree
Rating4.6 (48 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings48 — better—
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size30 MB14 MB
Age rating4+4+
DeveloperVladimir JankovicJoshua Fitzpatrick

In-app purchases

9 purchases

QR Code Reader & Scanner ◦

Subscriptions9
  • QR Code Reader, Scanner QRCode3 Days trial$5.997 Days
  • QR Code Mobile Scanner, Reader$5.997 Days
  • QR Code Mobile Scanner, Reader$7.997 Days
Show 6 more
  • QR Code Reader, Scanner QRCode3 Days trial$7.997 Days
  • QR Code Reader, Scanner QRCode$9.991 Month
  • QR Code Mobile Scanner, Reader$9.997 Days
  • QR Code & Barcode Reader3 Days trial$9.997 Days
  • QR Code Reader & Generator2 variants$19.991 Year
  • QR Code & Barcode Reader$24.993 Months
None

Brian's Power Calculator

No in-app purchases

Questions

Is QR Code Reader & Scanner ◦ free?
QR Code Reader & Scanner ◦ is free to download, with in-app purchases available.
Is Brian's Power Calculator free?
Brian's Power Calculator is free to download, with no in-app purchases.
Do QR Code Reader & Scanner ◦ or Brian's Power Calculator have ads?
Neither QR Code Reader & Scanner ◦ nor Brian's Power Calculator shows ads.
Which is updated more often, QR Code Reader & Scanner ◦ or Brian's Power Calculator?
QR Code Reader & Scanner ◦ ships an update weekly, and Brian's Power Calculator weekly. Most recently, QR Code Reader & Scanner ◦ was updated on November 5, 2026 and Brian's Power Calculator on October 30, 2026.

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