Comparison

PDF Converter vs QR Studio KBR

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

Head to head
About

PDF Converter

This app transforms your mobile device into a powerful PDF scanner and editor. Convert various file types to and from PDF, perform OCR for searchable text, and secure your documents with passwords and encryption. It offers a comprehensive suite of tools for managing, signing, and annotating PDFs without needing a desktop.

Highlights
  • Mobile document scanning with auto edge detection
  • On-device OCR for searchable text
  • Convert to/from PDF and multiple file formats
  • Merge, split, reorder, and compress PDFs
  • Sign, fill forms, and annotate documents
  • Password protection and redaction
  • iCloud sync and share sheet integration
Features
Read full description

PDF Converter — Scan, Convert & Edit PDFs Like a Pro The all-in-one PDF powerhouse for iPhone and iPad. Scan documents, convert almost any file to or from PDF, sign, edit, protect, and organize — all in one beautifully designed, privacy-first app. No desktop required. SCAN ANYTHING, INSTANTLY Turn your camera into a pocket scanner. Automatic edge detection and perspective correction deliver crisp, professional scans every time. Capture multi-page documents, receipts, IDs, and even barcodes — then save straight to PDF. SEARCHABLE TEXT WITH ON-DEVICE OCR Smart OCR recognizes text in your scans and images, turning every document into a fully searchable, selectable file. It runs entirely on your device in multiple languages — fast, accurate, and private. THE ULTIMATE FILE CONVERTER Convert to and from PDF with studio-grade fidelity: • PDF → Word, Excel, PowerPoint, EPUB, Image, Text, Markdown, HTML, JSON & CSV • Word, Excel, PowerPoint & Apple Pages/Numbers/Keynote → PDF • Images (JPEG, PNG, HEIC, TIFF, SVG), RTF, Markdown, HTML, CSV, code & more → PDF If you have a file, iPDF can turn it into a polished PDF — and back again. A COMPLETE PDF TOOLKIT Everything you need to finish the job: • Merge & split documents • Reorder, rotate & delete pages • Compress — even down to a target file size • Add watermarks, headers, footers & Bates numbering • Edit metadata, bookmarks & outlines • Find & replace text • Compare two PDFs side by side • Extract images & text SIGN, FILL & ANNOTATE Draw and save your signature, then drop it onto any document in seconds. Fill out forms, highlight, draw, and add notes with a fluid, intuitive markup toolkit. PROTECT WHAT MATTERS Lock PDFs with passwords and strong encryption. Permanently redact sensitive information. Add a Face ID / Touch ID app lock so your files stay yours and yours alone. READ & ORGANIZE WITH EASE A distraction-free reader with bookmarks, search, and saved reading positions. Keep everything in sync across your devices with iCloud Drive, and import files from any app through the share sheet. BUILT FOR PRIVACY Scanning and OCR happen right on your device. Your documents stay in your control — no account required. MORE TO LOVE • Siri Shortcuts & App Intents • Native iPhone & iPad design • Available in 13 languages • Fast, modern, and built for the latest iOS SUBSCRIPTION & PRICING • $49.99/Yearly and $9.99/Week and $9.99/Week with 3-day free trial • 3-day free trial, then auto-renews weekly at the price shown before purchase • Payment charged to your iTunes account at purchase confirmation • Subscription auto-renews unless canceled ≥24h before the end of the current period • Manage/cancel anytime in your iTunes account Settings Privacy Policy: https://appspolicymanager.com/apps/pdf-converter-docs-scanner/privacy-policy Terms of Use: https://appspolicymanager.com/apps/pdf-converter-docs-scanner/terms Whether you're a student, a freelancer, or a business professional, iPDF Ultimate replaces a whole stack of apps with one. Download now and take total command of your documents. Premium subscriptions unlock unlimited access to all tools, with weekly, yearly, and lifetime plans and a free trial. Subscriptions auto-renew; cancel anytime in Settings.

About

QR Studio KBR

Features
Read full description

QR Studio es la forma rápida y sencilla de crear y leer códigos QR en tu iPhone. Funciona sin cuenta y sin conexión: todo se guarda en tu dispositivo. Genera códigos QR para varios usos: - Texto libre y notas - Enlaces y URLs - Redes Wi-Fi con su contraseña, para compartir sin teclear - Tarjetas de contacto vCard con nombre, empresa, teléfono, email y web Incluye un lector con detección automática para escanear cualquier código QR y abrir el enlace, copiar el texto o compartirlo en segundos. Todos tus códigos quedan ordenados en el historial, con icono por tipo y opción de eliminarlos cuando quieras. La app es gratuita y se sostiene con publicidad. Sin cuentas, sin nube, sin seguimiento oculto.

Screenshots

PDF Converter4 screens
QR Studio KBR4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Studio KBR at none against PDF Converter's 3. QR Studio KBR also leads on iOS requirement (13.0 vs 17.0). PDF Converter's advantage is ads (none vs shown). On price, update cadence and device support 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

Both are free to download. PDF Converter sells 3 in-app purchases, starting at $9.99 per 7 days. QR Studio KBR asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Converter ships an update every 5 days, QR Studio KBR every 4 days. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 6 level
PDF Converter versus QR Studio KBR: the parameters behind the verdict, then further details
ParameterPDF ConverterQR Studio KBR
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 5 daysEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size58 MB34 MB
Age rating4+4+
DeveloperKomal GanganiKPR PREMIUM MOTOR CARS SL

In-app purchases

3 purchases

PDF Converter

Subscriptions3
  • Weekly3 Days trial$9.997 Days
  • Weekly$9.997 Days
  • Yearly$49.991 Year
None

QR Studio KBR

No in-app purchases

Questions

Is PDF Converter free?
PDF Converter is free to download, with in-app purchases available.
Is QR Studio KBR free?
QR Studio KBR is free to download, with no in-app purchases.
Do PDF Converter or QR Studio KBR have ads?
QR Studio KBR shows ads; PDF Converter does not.
Which is updated more often, PDF Converter or QR Studio KBR?
PDF Converter ships an update every 5 days, and QR Studio KBR every 4 days. Most recently, PDF Converter was updated on September 11, 2026 and QR Studio KBR on September 10, 2026.

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