Comparison

CallLinks vs PDFKit

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

Head to head
About

CallLinks

Features
Read full description

CallLinks is a simple and effective solution for those who make phone calls daily, offering Click-to-Call functionality: when you click on a phone number in your browser, a call is initiated on your iPhone smartphone to that number. How it works: - Install the browser extension from https://calllinks.sochka.com - Install the iPhone app and receive a unique TOKEN (secret key) after launching it on your device - Link your devices: enter the TOKEN into the browser extension settings to establish a connection between your PC and phone. Advantages of CallLinks: - Supports all popular browsers - No registration or login required: just enter the TOKEN - Perfect for productivity: ideal for online store managers, call center operators, and anyone who handles large volumes of phone numbers daily

About

PDFKit

Features
Read full description

A complete PDF toolbox that runs entirely on your phone. No subscription, no watermarks on your files, and nothing is ever uploaded — every tool works offline, on-device. Pay once for Pro and it's yours. Most PDF apps make you subscribe, stamp watermarks on your exports, or send your documents to their servers. PDFKit doesn't. Your files never leave your device. FREE TOOLS • Scan to PDF — snap a document, auto edge-detect and straighten, multi-page • Merge PDFs into one, in any order • Extract the pages you need • Sign — draw your signature and place it PDFKIT PRO (one-time purchase) • Edit & retype text right on the page • Convert PDF → Word and PDF → Excel (keeps real text, not just pictures) • Markup — freehand draw, lines, boxes, arrows and text with full color, border and fill • Highlight, underline and strikethrough actual text (OCR-aware) • Fill PDF forms (AcroForm fields) and flatten them • Stamps — APPROVED, DRAFT, CONFIDENTIAL and custom, placed anywhere • Redact — automatically finds emails, phone numbers, SSNs and card numbers and burns them out for good, all on-device • Images → PDF and PDF → images • Make scanned PDFs searchable (on-device OCR text layer) • Organize pages — reorder, rotate, delete • Split a PDF into separate files • Crop, compress, add page numbers / Bates numbering • Watermark • Password protect and unlock • Summarize a document on-device • Certificate-based digital signatures WHY PDFKIT • 100% on-device — your documents never leave your phone • Pay once — no subscriptions, ever • No watermarks on anything you export • Fast, private, and works with no signal PDFKit is built for people who just want their PDF tools to work — quickly, privately, and without a monthly bill.

Screenshots

CallLinks3 screens
PDFKit2 screens

Verdict

The call

The clearest difference is in-app purchases: CallLinks at none against PDFKit's 1. On price, update cadence, ads and device support there is nothing between them.

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

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

Both are free to download. PDFKit sells 1 one-off in-app purchase. CallLinks asks for nothing beyond the download.

UpkeepUpdate frequency

CallLinks ships an update monthly, PDFKit every 6 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard1 real difference Ā· 5 level
CallLinks versus PDFKit: the parameters behind the verdict, then further details
ParameterCallLinksPDFKit
PriceFreeFree
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.1 — better
Further details — not scored
Size2 MB90 MB
Age rating4+4+
DeveloperYaroslav SochkaSEDX LLC

In-app purchases

None

CallLinks

No in-app purchases

1 purchases

PDFKit

One-time1
  • PDF Tools$1.99

Questions

Is CallLinks free?
CallLinks is free to download, with no in-app purchases.
Is PDFKit free?
PDFKit is free to download, with in-app purchases available.
Do CallLinks or PDFKit have ads?
Neither CallLinks nor PDFKit shows ads.
Which is updated more often, CallLinks or PDFKit?
CallLinks ships an update monthly, and PDFKit every 6 weeks. Most recently, CallLinks was updated on October 24, 2026 and PDFKit on October 30, 2026.

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