# GLview Pro vs Barcode Tool

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.

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

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.

## The numbers

| Metric | GLview Pro | Barcode Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/glview-pro/id6478085651/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 25 months |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 101 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | +17 |
| Developer | [Stephane Denis](https://appshunter.io/developer/295455703) | [Christopher Jahn](https://appshunter.io/developer/1722542020) |

## What reviewers say

### GLview Pro

[App page](https://appshunter.io/ios/app/glview-pro/id6478085651)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version | $1.99 | one-time |


### Barcode Tool

[App page](https://appshunter.io/ios/app/barcode-tool/id6499479416)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*