Comparison

GLview Pro vs Barcode Tool

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

Head to head
About

GLview Pro

Explore detailed graphics hardware information, including OpenGL and Metal capabilities. This universal app provides comprehensive device insights and a renderer database, with an option to upgrade for ad-free experience and database contribution.

Highlights
  • Comprehensive device insights
  • Detailed OpenGL capabilities
  • Metal version and capabilities
  • Extensive renderer database
  • Interface testing for OpenGL
  • Ad-free and tracking-free experience (Pro)
Features
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Explore the graphics capabilities of your iPhone, iPad, and Mac with GLview Pro, the latest evolution of OpenGL Extensions Viewer, developed since 2005. Built with SwiftUI as a universal app, GLview Pro provides detailed information about your device, graphics APIs, and display capabilities in a clear, responsive interface. KEY FEATURES Device and Display Information View device and operating-system details, memory usage, display modes, refresh rates, and HDR properties such as minimum, maximum, and full-frame luminance when reported by the display. OpenGL Capabilities Inspect supported OpenGL contexts, extensions, limits, pixel formats, and implementation details. Metal Capabilities Explore Metal device information, supported features, and graphics capabilities. Renderer Database Browse an extensive cross-platform graphics database and learn more about renderers and extensions. Rendering Tests Run interactive rendering tests to examine graphics performance and implementation behavior. PRO FEATURES Ad-Free and Tracking-Free Enjoy a streamlined and private experience without advertising or tracking. Database Submission Contribute your device information to the GLview graphics database, built from decades of graphics research across multiple operating systems. Whether you are a developer, graphics enthusiast, or simply curious about your hardware, GLview Pro gives you a detailed view of your device's graphics capabilities.

About

Barcode Tool

Features
Read full description

This is a tool to faciliate the scanning and generation of QR barcodes. The primary audience is app developers.

Screenshots

GLview Pro4 screens
Barcode Tool3 screens

Verdict

The call

The clearest difference is in-app purchases: Barcode Tool at none against GLview Pro's 1. GLview Pro's advantage is update cadence (every 2 months vs every 25 months). On price, 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

Both are free to download. GLview Pro sells 1 one-off in-app purchase. Barcode Tool asks for nothing beyond the download.

UpkeepUpdate frequency

GLview Pro ships an update every 2 months, Barcode Tool every 25 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 7 level
GLview Pro versus Barcode Tool: the parameters behind the verdict, then further details
ParameterGLview ProBarcode Tool
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 25 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size76 MB101 MB
Age rating4++17
DeveloperStephane DenisChristopher Jahn

In-app purchases

1 purchases

GLview Pro

One-time1
  • Pro version$1.99
None

Barcode Tool

No in-app purchases

Questions

Is GLview Pro free?
GLview Pro is free to download, with in-app purchases available.
Is Barcode Tool free?
Barcode Tool is free to download, with no in-app purchases.
Do GLview Pro or Barcode Tool have ads?
Neither GLview Pro nor Barcode Tool shows ads.
Which is updated more often, GLview Pro or Barcode Tool?
GLview Pro ships an update every 2 months, and Barcode Tool every 25 months. Most recently, GLview Pro was updated on October 9, 2026 and Barcode Tool on September 29, 2026.

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