Comparison

Uncheck X vs PDFast

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Uncheck X

Features
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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.

About

PDFast

Features
Read full description

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

Uncheck X3 screens
PDFast4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 3 level
Uncheck X versus PDFast: the parameters behind the verdict, then further details
ParameterUncheck XPDFast
PriceFree — better$3.99
Update frequencyEvery 6 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad
Requires iOS18.0 — better18.6
Further details — not scored
Size21 MB9 MB
Age rating4+4+
DeveloperKeisuke ChinoneVladimir Rodzaevskiy

In-app purchases

None

Uncheck X

No in-app purchases

None

PDFast

No in-app purchases

Questions

Is Uncheck X free?
Uncheck X is free to download, with no in-app purchases.
Is PDFast free?
PDFast costs $3.99, with no in-app purchases.
Do Uncheck X or PDFast have ads?
Neither Uncheck X nor PDFast shows ads.
Which is updated more often, Uncheck X or PDFast?
Uncheck X ships an update every 6 months, and PDFast every 5 weeks. Most recently, Uncheck X was updated on November 3, 2026 and PDFast on October 31, 2026.

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