Uncheck X vs PDFast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Uncheck X
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Have you ever checked items that you did not agree to when buying something or creating an account for a service? This application will deselect checkboxes and radio buttons that are selected by default on a website. This saves you the trouble of unchecking items that have been added without your consent. You will no longer be sent email newsletters before you know it. Main features: ・Remove the checked attribute of checkboxes and set the initial state to unchecked. ・Disable extensions on specific sites. ・Temporarily disable extensions by clicking a button on the toolbar ・Disable extensions with Siri ・Support for shortcut apps ・Disable extensions with the Focus Mode Filter. *We do not guarantee that it will work on all websites. Please think of it as something that reduces the risk of checkboxes being added without your permission.
PDFast
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PDFast — Your All-in-One PDF Toolkit Everything you need to work with PDFs, right in your pocket. POWERFUL TOOLS: • Join PDFs — Merge multiple files into one • Split PDF — Extract specific pages • Compress — Reduce file size instantly Images ↔ PDF — Convert photos to PDF and back • Rotate — Fix page orientation • Protect — Add password encryption • Watermark — Add text watermarks • Scanner — Scan documents with camera • Sign PDF — Add your signature • OCR — Recognize text in scanned documents • PDF → Word — Convert to editable format • Page Numbers — Add numbering to pages • Unlock — Remove password protection • Add Text — Place text anywhere on PDF • PDF Reader — Read and annotate with highlights, drawings, stickers WHY PDFAST? • Works 100% offline — your files never leave your device • Beautiful, intuitive interface • Lightning-fast processing • Supports 10 languages • No subscription — one-time purchase, yours forever Download PDFast and take control of your PDFs today!
Screenshots
Verdict
The clearest difference is price: Uncheck X at Free against PDFast's $3.99. Uncheck X also leads on device support (4 vs 2). PDFast's advantage is update cadence (every 5 weeks vs every 6 months). On ads, in-app purchases and iOS requirement 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
Uncheck X is free to download; PDFast costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Uncheck X ships an update every 6 months, PDFast every 5 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Uncheck X | PDFast |
|---|---|---|
| Price | Free — better | $3.99 |
| Update frequency | Every 6 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac, Vision Pro — better | iPhone, iPad |
| Requires iOS | 18.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 21 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Keisuke Chinone | Vladimir Rodzaevskiy |
In-app purchases
Uncheck X
No in-app purchases
PDFast
No in-app purchases









