Comparison

TraceArt vs QR Engine

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

Head to head
About

TraceArt

Transform your smartphone into a drawing tool. Trace photos and illustrations onto paper with adjustable outline thickness and screen brightness. Perfect for aspiring artists of all skill levels.

Highlights
  • Trace photos and illustrations
  • Adjust outline thickness
  • Adjust image size
  • Screen lock with maximized brightness
  • Save unlimited sketches
Features
Read full description

Anyone can easily draw a good picture!! TraceArt is an app that allows you to trace photos and illustrations on your smartphone. You don't need talent for painting, all you need is a paper and pencil! *How to use the app 1.Select your favorite photo or illustration from the album. 2.Adjust the thickness of the outline and adjust the size of the image. 3. Lock the screen with the screen lock button (At the same time, the screen brightness is maximized) 4. Place the paper on the screen and draw a picture. You can save as many sketches as you like. *Others Use thin, transparent paper as much as possible. Photos and illustrations with clear boundaries are recommended. *Advertisements will be displayed in the free version. ICONS by icons8(https://icons8.com)

About

QR Engine

Features
Read full description

QR Engine is the ultimate QR code scanner and generator app for iOS, featuring cutting-edge visionOS design and powerful functionality. ADVANCED QR SCANNING • Lightning-fast camera scanning with real-time detection • Support for all standard QR code formats • Instant torch control for low-light environments • Automatic focus and stabilization for accurate scans • Privacy-first approach with secure permission management POWERFUL QR GENERATION • Create QR codes for URLs, text, and contact information • Generate vCard format for seamless contact sharing • Real-time preview with customizable content • High-quality output optimized for all devices • Instant sharing and save options MODERN DESIGN EXPERIENCE • Beautiful visionOS-inspired interface with glass morphism • Native iOS 17+ SwiftUI implementation • Full dark mode support with accessibility features • Intuitive tab-based navigation between scanner and generator • SF Symbols integration throughout the interface PRIVACY AND SECURITY • Comprehensive permission management system • Custom onboarding flows instead of intrusive system alerts • No data collection or tracking • Local processing for maximum security • Transparent permission requests with clear explanations SEAMLESS INTEGRATION • Native Contacts app integration for vCard generation • Share extension support for quick QR generation • Background processing capabilities • Optimized for all iPhone sizes and orientations • Memory-efficient camera handling KEY FEATURES • Scan QR codes instantly with advanced camera technology • Generate QR codes for URLs, plain text, and contact cards • Beautiful glass morphism design following visionOS principles • Complete dark mode support with custom color schemes • Advanced permission handling with user-friendly onboarding • Real-time scanning feedback with haptic responses • High-performance Core Image framework integration • Accessibility support for VoiceOver and Dynamic Type Perfect for professionals, students, and anyone who frequently works with QR codes. QR Engine combines powerful functionality with an elegant user experience, making QR code operations effortless and enjoyable. Download QR Engine today and experience the future of QR code management on iOS.

Screenshots

TraceArt3 screens
QR Engine4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Engine at none against TraceArt's 1. QR Engine also leads on ads (none vs shown) and update cadence (every 2 months vs every 3 months). TraceArt's advantage is iOS requirement (14.2 vs 17.6). On price 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. TraceArt sells 1 one-off in-app purchase. QR Engine asks for nothing beyond the download.

UpkeepUpdate frequency

TraceArt ships an update every 3 months, QR Engine every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
TraceArt versus QR Engine: the parameters behind the verdict, then further details
ParameterTraceArtQR Engine
PriceFreeFree
Rating2.1 (73 ratings) — better—
Positive reviews14.3% of reviews—
Number of ratings73 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.2 — better17.6
Further details — not scored
Size5 MB1 MB
Age rating4+4+
DeveloperKENICHI YAMAMOTOIbrahim Uzun

In-app purchases

1 purchases

TraceArt

One-time1
  • Remove ADs$2.99
None

QR Engine

No in-app purchases

Questions

Is TraceArt free?
TraceArt is free to download, with in-app purchases available.
Is QR Engine free?
QR Engine is free to download, with no in-app purchases.
Do TraceArt or QR Engine have ads?
TraceArt shows ads; QR Engine does not.
Which is updated more often, TraceArt or QR Engine?
TraceArt ships an update every 3 months, and QR Engine every 2 months. Most recently, TraceArt was updated on October 9, 2026 and QR Engine on October 8, 2026.

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