CallLinks vs PDFKit
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
CallLinks
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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
PDFKit
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A complete PDF toolbox that runs entirely on your phone. No subscription, no watermarks on your files, and nothing is ever uploaded ā 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 ā snap a document, auto edge-detect and straighten, multi-page ⢠Merge PDFs into one, in any order ⢠Extract the pages you need ⢠Sign ā draw your signature and place it PDFKIT PRO (one-time purchase) ⢠Edit & retype text right on the page ⢠Convert PDF ā Word and PDF ā Excel (keeps real text, not just pictures) ⢠Markup ā 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 ā APPROVED, DRAFT, CONFIDENTIAL and custom, placed anywhere ⢠Redact ā automatically finds emails, phone numbers, SSNs and card numbers and burns them out for good, all on-device ⢠Images ā PDF and PDF ā images ⢠Make scanned PDFs searchable (on-device OCR text layer) ⢠Organize pages ā 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 ā your documents never leave your phone ⢠Pay once ā 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 ā quickly, privately, and without a monthly bill.
Screenshots
Verdict
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
Both are free to download. PDFKit sells 1 one-off in-app purchase. CallLinks asks for nothing beyond the download.
CallLinks ships an update monthly, PDFKit every 6 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | CallLinks | PDFKit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly ā better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod ā better |
| Requires iOS | 15.6 | 15.1 ā better |
| Further details ā not scored | ||
| Size | 2 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Yaroslav Sochka | SEDX LLC |
In-app purchases
CallLinks
No in-app purchases
PDFKit
- PDF Tools$1.99









