Comparison

PDF Studio vs QR Code Generator

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

Head to head
About

PDF Studio

Features
Read full description

PDF Studio — your complete PDF solution for iPhone and iPad. Scan, edit, sign, convert, and manage documents with professional-grade tools, all in one app. SCAN & DIGITIZE • Intelligent document scanner with auto-edge detection • Multi-page scanning in seconds • High-quality PDF output from any paper document EDIT & ANNOTATE • Add text, images, and shapes to any PDF • Highlight, underline, and strike through text • Draw and sketch with precision tools • Reorder, rotate, and delete pages SIGN DOCUMENTS • Create and save multiple signatures • Sign contracts, forms, and agreements instantly • Professional digital signatures CONVERT ANYTHING • PNG, JPG, HEIC, WebP → PDF • PDF → PNG, JPG images • TXT ↔ PDF conversion • Batch convert multiple files COMPRESS & OPTIMIZE • Reduce PDF size up to 70% • Three compression levels: Light, Medium, Maximum • Perfect for email attachments and sharing POWERFUL TOOLS • OCR: Extract text from images and scans • Merge: Combine multiple PDFs into one • Split: Separate PDF into individual pages • Print: Direct printing to any AirPrint device ORGANIZE YOUR FILES • Create folders and organize documents • Quick search across all files • Favorites for fast access • Recent files tracking CLOUD SYNC • Automatic iCloud synchronization • Access documents on all your Apple devices • Secure cloud backup WHY PDF STUDIO? No watermarks on your documents Works offline — no internet required Privacy first — files stay on your device Clean, intuitive interface Regular updates with new features Perfect for students, professionals, and anyone who works with documents. Download PDF Studio and take control of your PDFs today! Download PDF Studio today and experience the most powerful PDF toolkit for iOS! Terms of Use: https://github.com/spiroba/pdf-studio-legal/blob/main/TERMS_OF_USE.md

About

QR Code Generator

Features
Read full description

QR Code Generator - QrEngine Your all-in-one core engine for creating, designing, and tracking QR codes. Tired of basic, boring QR codes? QrEngine empowers you to generate, customize with professional ease—directly on your iPhone . Key Features: Generate in Seconds: Create QR codes for URLs, contacts, Wi-Fi, events, and plain text instantly. Smart Design Studio: Customize with colors, gradients, logos, and frame styles. Make each code uniquely yours. Built-in QR Scanner: Scan & create in one app Professional templates for business & marketing Why QrEngine? “It’s not just a generator; it’s your mobile QR code workshop. From simple sharing to professional marketing campaigns—we’ve got you covered.” Perfect For: Entrepreneurs, marketers, educators, event organizers, and anyone who needs reliable, stylish, and trackable QR codes on the go. Download QR Code Generator - QrEngine now and turn any link into an opportunity! Terms of use: https://wavecolor.net/qrgenerator_term.html Privacy Policy: https://wavecolor.net/qrgenerator_policy.html If you have any questions, please contact us: qlove89757@gmail.com.

Screenshots

PDF Studio4 screens
QR Code Generator4 screens

Verdict

The call

The clearest difference is ads: PDF Studio at none against QR Code Generator's shown. QR Code Generator's advantage is iOS requirement (15.6 vs 17.6). On price, update cadence, in-app purchases 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 Studio sells 3 in-app purchases, starting at $2.49 per 7 days and QR Code Generator sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Studio ships an update every 2 weeks, QR Code Generator every 9 days. Both last shipped on September 14, 2026.

Scorecard2 real differences · 4 level
PDF Studio versus QR Code Generator: the parameters behind the verdict, then further details
ParameterPDF StudioQR Code Generator
PriceFreeFree
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.6 — better
Further details — not scored
Size6 MB54 MB
Age rating4+4+
DeveloperBoris SpiroWave Color LLC

In-app purchases

3 purchases

PDF Studio

Subscriptions3
  • Weekly Premium$2.497 Days
  • Monthly Premium$4.991 Month
  • Annual Premium$29.991 Year
3 purchases

QR Code Generator

Subscriptions2
  • QR Code Generator vip$3.991 Month
  • QR code Generator unlimited use.$17.991 Year
One-time1
  • Qr code Generator unlimited use.$34.99

Questions

Is PDF Studio free?
PDF Studio is free to download, with in-app purchases available.
Is QR Code Generator free?
QR Code Generator is free to download, with in-app purchases available.
Do PDF Studio or QR Code Generator have ads?
QR Code Generator shows ads; PDF Studio does not.
Which is updated more often, PDF Studio or QR Code Generator?
PDF Studio ships an update every 2 weeks, and QR Code Generator every 9 days. Most recently, PDF Studio was updated on September 14, 2026 and QR Code Generator on September 14, 2026.

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