Source Viewer Lite vs ScanOnce
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Source Viewer Lite
View the HTML, CSS, and JavaScript source code of any website. Highlighted code, extracted links, and image collections are available. Save bookmarks, toggle word wrap, and copy/paste code easily.
- View HTML, CSS, and JavaScript source
- Highlighted code elements
- Extract and follow embedded links
- Collect and view images
- Save images to photo album
- Bookmark management
- Copy and paste code
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Description Whether you are a web designer or just curious - this application is for you. Source Viewer shows the HTML, CSS and Javascript source code of any website (upgrade required). Features: - Tags, keywords and CSS attributes are highlighted with a different color. - It extracts the links which are embedded into HTML and CSS so that they can be followed easily. - It collects all images from the HTML and CSS which can be viewed separately in a list and full screen. - images can be saved to the photo album - save bookmarks - toggle word wrap - copy and paste code to clipboard - open the URL in the browser and send it by email - support for the iPhone 6 and 6+
ScanOnce
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ScanOnce helps you capture, organize, and understand documents quickly. • Fast document scanning with automatic page capture • On-device OCR text extraction • Smart document insights (sender, totals, dates, invoice details) • Ask questions about your scanned document • Export and share as PDF • Privacy-first workflow with local processing Upgrade once for Lifetime Access to unlimited scanning.
Screenshots
Verdict
The clearest difference is update cadence: ScanOnce at every 2 months against Source Viewer Lite's every 9 months. Source Viewer Lite's advantage is iOS requirement (6.0 vs 17.0). On price, ads, in-app purchases and device support 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
Both are free to download. Source Viewer Lite sells 1 one-off in-app purchase and ScanOnce sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Source Viewer Lite ships an update every 9 months, ScanOnce every 2 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.
| Parameter | Source Viewer Lite | ScanOnce |
|---|---|---|
| Price | Free | Free |
| Rating | 1.1 (9 ratings) — better | — |
| Positive reviews | 2.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 6.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Piet Jonas | Johanna Hoppe |
In-app purchases
Source Viewer Lite
- Source Viewer Upgrade$0.99
ScanOnce
- Lifetime Access$3.99
