# Source Viewer XL vs SitePREP®

The clearest difference is price: SitePREP® at Free against Source Viewer XL's $1.99. SitePREP® also leads on update cadence (every 2 months vs every 28 months) and device support (3 vs 1). Source Viewer XL's advantage is in-app purchases (none vs 1). On rating, ratings volume, ads and iOS requirement there is nothing between them.

SitePREP® is free to download; Source Viewer XL costs $1.99 up front. SitePREP® sells 1 in-app purchase, starting at $349.99 per year. Source Viewer XL asks for nothing beyond the download.

SitePREP® holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 3 and 8 respectively.

Source Viewer XL ships an update every 28 months, SitePREP® every 2 months. The most recent releases landed on September 9, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Source Viewer XL | SitePREP® |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/source-viewer-xl/id364691406/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/siteprep/id1489189125/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 45 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [SitePrep LLC.](https://appshunter.io/developer/1468883144) |

## 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


### SitePREP®

[App page](https://appshunter.io/ios/app/siteprep/id1489189125)

Capture site data with photos and notes, automatically plotting them on a map. Generate and email detailed reports directly from your mobile device, saving time and increasing accuracy.

**Highlights:** Photo data collection, Note and observation capture, Automatic GPS location and direction, Photo plotting on satellite map, Report generation and emailing, Export to word processing applications

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SitePREP Annual Subscription | $349.99 | per year |


## Frequently asked questions

### Is Source Viewer XL free?

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

### Is SitePREP® free?

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

### Which has better reviews, Source Viewer XL or SitePREP®?

SitePREP® is rated higher. Source Viewer XL averages 4.7 out of 5 from 3 ratings, while SitePREP® averages 4.9 from 8 ratings.

### Do Source Viewer XL or SitePREP® have ads?

Neither Source Viewer XL nor SitePREP® shows ads.

### Which is updated more often, Source Viewer XL or SitePREP®?

Source Viewer XL ships an update every 28 months, and SitePREP® every 2 months. Most recently, Source Viewer XL was updated on September 9, 2026 and SitePREP® on June 10, 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.*