Comparison

PDF AI vs QR Code Reader Maker

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

Head to head
About

PDF AI

This application offers a comprehensive suite of AI-powered tools for managing PDF documents. Users can edit text and images, generate AI summaries, convert files to various formats, and securely sign documents. It prioritizes speed and privacy with local processing and encryption.

Highlights
  • Edit PDF text and images
  • AI-powered summaries and highlights
  • Annotate and collaborate on documents
  • Fill and e-sign forms
  • Convert PDFs to Word, Excel, PPT, Images, TXT
  • Secure offline scanning and organization
Features
Read full description

AI-powered PDF toolkit built for speed, security, and clarity. Chat with PDFs, summarize long documents, generate slides, create podcast-style audio, scan, edit, convert, sign, and collaborate—without friction. What you can do • Chat with PDFs: Ask questions and get instant answers from documents. • Summarize smarter: Turn long PDFs, reports, papers, and books into clear key points. • Generate with AI: Create slides, podcast-style audio, visual digests, and insight cards from documents. • Edit PDFs: Modify text, images, and layout with precision. • Read smarter: AI summaries, highlights, bookmarks, day/night/Sepia. • Annotate & collaborate: Highlight, underline, notes, sketches, comments, and share. • Fill & sign: Complete interactive forms and e‑sign on the go. • Convert fast: PDF ⇄ Word/Excel/PPT/Images/TXT with high fidelity. • Scan & organize: Scan documents, extract text with OCR, search, manage, and work offline securely. Why it’s better • AI tools for reading, understanding, presenting, and listening to documents. • Lightning-fast viewer for large PDFs. • Privacy-first: local processing and strong encryption. • Professional output, zero watermarks for subscribers. • Continuous updates with new AI capabilities. VIP (auto‑renewable subscriptions) • Monthly or yearly plans available. • Unlock premium tools: advanced editing, full‑text search, batch processing, high‑quality exports, AI summaries, AI chat, AI slides, podcast-style audio, visual digests, OCR, conversion tools, and more. Policies • Privacy: https://sophoninc.com/privacy.html • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Terms of Service: https://sophoninc.com/terms.html Contact • Email: feedback@sophoninc.com

About

QR Code Reader Maker

Easily scan existing QR codes for instant information or create your own custom QR codes. Supports various content types and popular social media platforms, allowing you to personalize their appearance.

Highlights
  • Scan QR codes from menus, payments, and more
  • Create custom QR codes with text, numbers, and URLs
  • Generate QR codes for Facebook, TikTok, Instagram, and YouTube
  • Customize QR code colors
  • Get additional information by scanning
Features
Read full description

QR Code Reader is probably one of your iPhone's most valuable apps. Come and download it for free now! Basic Features:Scan Code: Scan the code you are interested in anytime, anywhere, whether it is a menu or a payment code, you can get the result immediately. Create QR code: You can make your own QR code by entering content, and supporting many popular apps: Facebook, TikTok, Instagram, Twitter, YouTube, etc., Change the colour of the QR code at will. Come and explore your world with QR codes. You can get additional information by scanning. Also, make QR codes that contain your unique content. Text, numbers, and URLs can be alright.

Screenshots

PDF AI4 screens
QR Code Reader Maker4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Code Reader Maker at none against PDF AI's 5. QR Code Reader Maker also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 90%). PDF AI's advantage is ratings volume (151 vs 6). On price, ads 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 AI sells 5 in-app purchases, starting at $7.99 per 7 days. QR Code Reader Maker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

QR Code Reader Maker holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: PDF AI has 151 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 90% of PDF AI's written reviews are positive against 100% of QR Code Reader Maker's.

Scorecard6 real differences · 4 level
PDF AI versus QR Code Reader Maker: the parameters behind the verdict, then further details
ParameterPDF AIQR Code Reader Maker
PriceFreeFree
Rating4.8 (151 ratings)5.0 (6 ratings) — better
Positive reviews90.0% of reviews100.0% of reviews — better
Number of ratings151 — better6
Update frequencyEvery 3 weeks—
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size169 MB18 MB
Age rating4+4+
DeveloperYang YangTop VPN Lab

Customer experience

PDF AI

All ratings151 ratings
Positive95.4%
Neutral1.3%
Negative3.3%
Written reviews40 reviews
Positive90.0%
Neutral2.5%
Negative7.5%

QR Code Reader Maker

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

PDF AI

Subscriptions5
  • Weekly VIP$7.997 Days
  • Weekly VIP$9.997 Days
  • Weekly VIP3 Days trial$9.997 Days
Show 2 more
  • Monthly VIP3 Days trial$14.991 Month
  • Yearly VIP3 Days trial$59.991 Year
None

QR Code Reader Maker

No in-app purchases

Questions

Is PDF AI free?
PDF AI is free to download, with in-app purchases available.
Is QR Code Reader Maker free?
QR Code Reader Maker is free to download, with no in-app purchases.
Which has better reviews, PDF AI or QR Code Reader Maker?
QR Code Reader Maker is rated higher. PDF AI averages 4.8 out of 5 from 151 ratings, while QR Code Reader Maker averages 5.0 from 6 ratings.
Do PDF AI or QR Code Reader Maker have ads?
Both PDF AI and QR Code Reader Maker show ads.

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