# GLview Mobile vs EXTENSION.app

The clearest difference is in-app purchases: GLview Mobile at none against EXTENSION.app's 4. GLview Mobile also leads on iOS requirement (12.0 vs 26.0). EXTENSION.app's advantage is ads (none vs shown) and ratings volume (4.9K vs 7). On price, rating and monetization model there is nothing between them.

Both are free to download. EXTENSION.app sells 4 in-app purchases, starting at $0.99 per month. GLview Mobile asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for GLview Mobile against 4.6 for EXTENSION.app. That said, the two scores are not equally well evidenced: EXTENSION.app has 4.9K ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 68% of GLview Mobile's written reviews are positive against 78% of EXTENSION.app's.

GLview Mobile ships an update every 4 months, EXTENSION.app every 5 weeks. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | GLview Mobile | EXTENSION.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/glview-mobile/id377636805/reviews)** | [4.6 (4.9K ratings)](https://appshunter.io/ios/app/extensionapp/id1533525753/reviews) |
| Number of ratings | 7 | **4.9K** |
| Positive reviews | 68.3% of reviews | **77.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 73 MB | 143 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** |
| Age rating | 4+ | 17+ |
| Developer | [Stephane Denis](https://appshunter.io/developer/295455703) | [X.app](https://appshunter.io/developer/1397532342) |

## What reviewers say

### GLview Mobile

[App page](https://appshunter.io/ios/app/glview-mobile/id377636805)

This utility app provides detailed information about your device's graphics hardware, including OpenGL ES and Apple Metal capabilities. It offers access to extension documentation, shader information, and includes benchmark tests for various OpenGL ES versions. Useful for developers and those interested in comparing device performance.

**Highlights:** GPU hardware information reporting, OpenGL ES and Apple Metal capabilities, Access to extension documentation, Shader capabilities display, OpenGL ES benchmark tests, Cloud storage for OpenGL information

**In-app purchases:** none


### EXTENSION.app

[App page](https://appshunter.io/ios/app/extensionapp/id1533525753)

This app enhances video playback on iOS devices, enabling Picture-in-Picture mode for supported websites and apps. It allows for simultaneous playback of multiple videos, background audio, and provides extensive sharing and browser extension capabilities.

**Highlights:** Picture-in-Picture video mode, Simultaneous video playback, Background audio playback, Share extensions for videos, Safari browser extensions, iMessage extension for videos, Customizable shortcuts

**Features:** Safari Extension, Family Sharing, Apple Watch app, iMessage stickers

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EXTENSION+ Monthly | $0.99 | per month |
| EXTENSION+ Monthly for Family | $1.99 | per month |
| EXTENSION+ Yearly | $9.99 | per year |
| EXTENSION+ Yearly for Family | $19.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Works as described
- 💡 Useful for multitasking
- 🔒 No data collection
- 👍 Simple and straightforward

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔋 Battery drain issues
- 🚫 Compatibility problems with some apps
- 💤 Automatic closing of the window after video ends

**Reported bugs**

- Picture-in-picture mode not working consistently
- Age-restricted videos unable to be viewed
- Playlist shuffling not working on iPad
- Freezing or crashing on certain devices

**Requested features**

- Add playback speed adjustment in PIP mode
- Implement a history or bookmarking feature
- Improve seamless transition to PIP mode
- Add support for more apps beyond just web-based ones
- Integrate with system-level PIP for better integration


## Frequently asked questions

### Is GLview Mobile free?

GLview Mobile is free to download, with no in-app purchases.

### Is EXTENSION.app free?

EXTENSION.app is free to download, with in-app purchases available.

### Which has better reviews, GLview Mobile or EXTENSION.app?

GLview Mobile is rated higher. GLview Mobile averages 4.7 out of 5 from 7 ratings, while EXTENSION.app averages 4.6 from 4.9K ratings.

### Do GLview Mobile or EXTENSION.app have ads?

GLview Mobile shows ads; EXTENSION.app does not.

### Which is updated more often, GLview Mobile or EXTENSION.app?

GLview Mobile ships an update every 4 months, and EXTENSION.app every 5 weeks. Most recently, GLview Mobile was updated on October 17, 2026 and EXTENSION.app on October 18, 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.*