Comparison

PDFast vs ZapPDF

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

Head to head
About

PDFast

Features
Read full description

PDFast β€” Your All-in-One PDF Toolkit Everything you need to work with PDFs, right in your pocket. POWERFUL TOOLS: β€’ Join PDFs β€” Merge multiple files into one β€’ Split PDF β€” Extract specific pages β€’ Compress β€” Reduce file size instantly Images ↔ PDF β€” Convert photos to PDF and back β€’ Rotate β€” Fix page orientation β€’ Protect β€” Add password encryption β€’ Watermark β€” Add text watermarks β€’ Scanner β€” Scan documents with camera β€’ Sign PDF β€” Add your signature β€’ OCR β€” Recognize text in scanned documents β€’ PDF β†’ Word β€” Convert to editable format β€’ Page Numbers β€” Add numbering to pages β€’ Unlock β€” Remove password protection β€’ Add Text β€” Place text anywhere on PDF β€’ PDF Reader β€” Read and annotate with highlights, drawings, stickers WHY PDFAST? β€’ Works 100% offline β€” your files never leave your device β€’ Beautiful, intuitive interface β€’ Lightning-fast processing β€’ Supports 10 languages β€’ No subscription β€” one-time purchase, yours forever Download PDFast and take control of your PDFs today!

About

ZapPDF

Features
Read full description

ZapPDF is the ultimate privacy-first PDF utility. Whether you are dealing with sensitive financial documents, legal forms, or heavy study materials, ZapPDF gives you the power to manage them instantlyβ€”without ever uploading your private files to a random cloud server. 100% OFFLINE & PRIVATE All processing happens locally on your device. Zero cloud uploads. Zero data harvesting. Total peace of mind. POWERFUL FEATURES β€’ Merge: Combine multiple files into one seamless document. β€’ Split: Extract specific page ranges or break a large file into individual pages. β€’ Edit Pages: Drag to reorder, rotate, or delete pages in seconds. β€’ Document Scanner: Scan paper documents or import photos directly into a crisp, secure PDF. β€’ Flatten: Merge annotations and form fields directly into the page content to prevent further editing. β€’ Seamless Sharing: Open files directly from the Files app, Mail, or other apps using the iOS Share Sheet. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDFast4 screens
ZapPDF3 screens

Verdict

The call

The clearest difference is price: ZapPDF at Free against PDFast's $3.99. PDFast's advantage is in-app purchases (none vs 2) and update cadence (every 5 weeks vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

ZapPDF is free to download; PDFast costs $3.99 up front. ZapPDF sells 2 in-app purchases, starting at $8.99 per year. PDFast asks for nothing beyond the download.

UpkeepUpdate frequency

PDFast ships an update every 5 weeks, ZapPDF every 4 months. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

Scorecard3 real differences Β· 3 level
PDFast versus ZapPDF: the parameters behind the verdict, then further details
ParameterPDFastZapPDF
Price$3.99Free β€” better
Update frequencyEvery 5 weeks β€” betterEvery 4 months
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPad, Mac β€” better
Requires iOS18.617.0 β€” better
Further details β€” not scored
Size9 MB13 MB
Age rating4+4+
DeveloperVladimir RodzaevskiyYasar Berker Gungor

In-app purchases

None

PDFast

No in-app purchases

2 purchases

ZapPDF

Subscriptions1
  • ZapPDF Pro Annual$8.991 Year
One-time1
  • Lifetime Pro Unlock$14.99

Questions

Is PDFast free?
PDFast costs $3.99, with no in-app purchases.
Is ZapPDF free?
ZapPDF is free to download, with in-app purchases available.
Do PDFast or ZapPDF have ads?
Neither PDFast nor ZapPDF shows ads.
Which is updated more often, PDFast or ZapPDF?
PDFast ships an update every 5 weeks, and ZapPDF every 4 months. Most recently, PDFast was updated on October 31, 2026 and ZapPDF on October 28, 2026.

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