Comparison

My Screen Protractor vs QR Scanner

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

Head to head
About

My Screen Protractor

Features
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Measure angles on your screen with a simple touch. No physical protractor needed — get precise angle measurements anytime, anywhere. 【Touch-Based Angle Measurement】 Tap to set the vertex point, then draw two lines by dragging. The angle is calculated automatically. Intuitive controls make it easy for anyone to use. 【Real-Time Angle Display】 See the angle update in real time as you draw. A visual arc and label clearly show the measured angle with one decimal place precision. 【Clean Grid Background】 A grid overlay helps you align lines and better visualize angles at a glance. 【Dark Mode Support】 Switch to dark mode for comfortable use in any lighting condition. 【Multi-Language Support】 Available in 10 languages including English, Korean, Japanese, Chinese, and more. Perfect for architecture, interior design, DIY projects, math homework, blueprint reading, and any moment you need to measure an angle.

About

QR Scanner

Instantly scan QR codes and barcodes with automatic recognition. Create custom, stylish QR codes from text or URLs with various design options. Manage your scan history locally on your device.

Highlights
  • Instant QR and barcode scanning
  • Scan QR codes from photos
  • Stylish QR code generator
  • Scan history management
  • Smart actions for scanned data
  • Local data processing for privacy
Features
Read full description

The ultimate QR code scanner and generator with a stunning cyberpunk design. Scan any QR code or barcode instantly, create beautiful custom QR codes, and manage your scan history — all in one app. KEY FEATURES ▸ INSTANT SCANNING Point your camera at any QR code or barcode for instant recognition. No button press needed — it's fully automatic. ▸ SCAN FROM PHOTOS Import images from your gallery to scan QR codes from screenshots, photos, or saved images. ▸ STYLISH QR GENERATOR Create QR codes from any text or URL. Choose from 12 beautiful style presets including gradients, or design your own with the custom color picker. ▸ SCAN HISTORY All your scans are saved automatically. Search, copy, or delete any scan. Set auto-delete to keep things tidy (7, 30, or 90 days). ▸ SMART ACTIONS Copy scanned text to clipboard, open URLs directly in your browser, or share results with anyone — all with one tap. ▸ 20 LANGUAGES Available in English, Korean, Japanese, Chinese, Spanish, French, German, Portuguese, Russian, Arabic, Hindi, Indonesian, Thai, Vietnamese, Turkish, Italian, Dutch, Polish, and Malay. SUPPORTED FORMATS QR Code, EAN-13, EAN-8, Code 128, Code 39, UPC-A, UPC-E, PDF417, Aztec, Data Matrix PRIVACY FIRST All scanning and QR generation happens locally on your device. No data is sent to any server. Your scan history stays on your phone. Download QR Scanner now and experience the fastest, most beautiful way to scan and create QR codes!

Screenshots

My Screen Protractor3 screens
QR Scanner4 screens

Verdict

The call

The clearest difference is ads: My Screen Protractor at none against QR Scanner's shown. My Screen Protractor also leads on update cadence (weekly vs every 2 months) and iOS requirement (13.0 vs 15.1). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

My Screen Protractor ships an update weekly, QR Scanner every 2 months. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 6 level
My Screen Protractor versus QR Scanner: the parameters behind the verdict, then further details
ParameterMy Screen ProtractorQR Scanner
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeekly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size21 MB45 MB
Age rating4+4+
Developermintaek leeSeungMan Choi

In-app purchases

None

My Screen Protractor

No in-app purchases

None

QR Scanner

No in-app purchases

Questions

Is My Screen Protractor free?
My Screen Protractor is free to download, with no in-app purchases.
Is QR Scanner free?
QR Scanner is free to download, with no in-app purchases.
Do My Screen Protractor or QR Scanner have ads?
QR Scanner shows ads; My Screen Protractor does not.
Which is updated more often, My Screen Protractor or QR Scanner?
My Screen Protractor ships an update weekly, and QR Scanner every 2 months. Most recently, My Screen Protractor was updated on September 29, 2026 and QR Scanner on October 8, 2026.

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