# Source Viewer XL vs Epic ATC Test

The clearest difference is price: Epic ATC Test at Free against Source Viewer XL's $1.99. Epic ATC Test also leads on rating (5.0 vs 4.7) and device support (3 vs 1). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Epic ATC Test is free to download; Source Viewer XL costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Epic ATC Test holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Source Viewer XL ships an update every 28 months, Epic ATC Test every 25 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Source Viewer XL | Epic ATC Test |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/source-viewer-xl/id364691406/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/epic-atc-test/id1638342310/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 25 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 16 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Epic Aircraft, LLC](https://appshunter.io/developer/1094663125) |

## What reviewers say

### Source Viewer XL

[App page](https://appshunter.io/ios/app/source-viewer-xl/id364691406)

View the HTML, CSS, and JavaScript source code of any website. Highlighted syntax, extracted links, and image galleries make code analysis easy. Save images, bookmarks, and history for later.

**Highlights:** Syntax highlighting for HTML, CSS, and JavaScript, Extracts and follows embedded links, Lists and views all website images, Saves images to photo album, Bookmark and session history management, Copy/paste code functionality

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

**In-app purchases:** none


### Epic ATC Test

[App page](https://appshunter.io/ios/app/epic-atc-test/id1638342310)

This app helps pilots develop essential communication skills for safe and enjoyable flying. It focuses on the comms necessary for aviation.

**Highlights:** Develops comms skills, Focuses on aviation communication, Supports safe flying, Enhances enjoyable flying

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

**In-app purchases:** none


## Frequently asked questions

### Is Source Viewer XL free?

Source Viewer XL costs $1.99, with no in-app purchases.

### Is Epic ATC Test free?

Epic ATC Test is free to download, with no in-app purchases.

### Which has better reviews, Source Viewer XL or Epic ATC Test?

Epic ATC Test is rated higher. Source Viewer XL averages 4.7 out of 5 from 3 ratings, while Epic ATC Test averages 5.0 from 3 ratings.

### Do Source Viewer XL or Epic ATC Test have ads?

Neither Source Viewer XL nor Epic ATC Test shows ads.

### Which is updated more often, Source Viewer XL or Epic ATC Test?

Source Viewer XL ships an update every 28 months, and Epic ATC Test every 25 months. Most recently, Source Viewer XL was updated on October 3, 2026 and Epic ATC Test on October 11, 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.*