Comparison

Qr code Reader vs PDF Scanner App

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

Head to head
About

Qr code Reader

Easily scan QR codes to instantly view their content or create your own personalized QR codes. This tool also allows for editing and beautifying generated codes, with a content management table for easy access.

Highlights
  • Scan QR codes
  • Create QR codes
  • Edit and beautify QR codes
  • Content management table
  • Share exclusive QR codes
Features
Read full description

Personalized and exquisite QR code generation tool and QR code scanning tool 1. Scan QR code: Quickly scan the QR code to view the content 2. Create QR code: Create and share your exclusive QR code 3. Edit QR code: Beautify and decorate the generated QR code 4 Content Management Table: Instantly view QR code content - Privacy Policy: https://docs.qq.com/doc/DRk9xRkpldEpoUHRM - Terms of Use: https://docs.qq.com/doc/DRnRWZ1FKa05iTHBL

About

PDF Scanner App

This app uses AI to enhance scanned documents, making text sharp and readable even in poor lighting. It offers automatic cropping, multilingual OCR, and flexible file management for easy sharing and organization.

Highlights
  • AI smart HD enhancement
  • Intelligent binarization
  • Accurate document scanning
  • Multilingual OCR
  • Flexible file management
  • Easy sharing
Features
Read full description

PDF Scanner App — Make every scan clear PDF Scanner App converts and exports the self-trained super-resolution Python model to a CoreML smart HD model available for iOS, and uses AI to make the smart HD filter obtain super-resolution details and texture enhancements, turning ordinary pages shot by mobile phones into high-resolution documents instantly, making text and lines sharp regardless of dim light, shadows or paper folds. The simple interface and fully automatic process allow you to switch between "shoot → draft" in milliseconds, and completely say goodbye to tedious parameter adjustments. Core functions: AI smart HD The self-trained super-resolution smart HD model automatically enhances text edges and detailed textures, greatly reducing blur and noise, and making low-quality originals clear again. Intelligent binarization processing Adjust the black and white threshold according to the page lighting and color distribution to ensure that the fonts of documents such as forms and contracts are always clear and readable. Accurate scanning Capture clear and accurate scans of documents, receipts, business cards, etc. Intelligent edge detection and automatic cropping provide professional results every time. Multilingual Accurate OCR Built-in multilingual recognition engine, supports common languages ​​such as Chinese, English, French, Spanish, and Japanese, retains the original layout, and exports editable text or standard PDF. Flexible file management Save scans in PDF or image format (JPEG/PNG) to meet your needs. Easily merge multiple pages into a single document to simplify sharing. Easy sharing Instantly share your scans on major platforms such as email, messaging apps, and social networks. Enjoy high-resolution sharing for clear scans, ensuring that every detail is captured and delivered. Designed with privacy in mind All scans are securely stored on your device. The option to encrypt sensitive files gives you extra peace of mind. Why choose PDF Scanner App "One shot and done": fully automatic processing flow, from shadow removal, text edge sharpening to AI detail texture enhancement, instantly produce manuscripts. Extremely readable: Whether the paper is old and damaged or the picture is blurry, it can be intelligently processed to reproduce the clearest content. Professional application: A must-have for fast-paced offices in industries such as law, finance, and education. Quickly scan → identify → share, all in one go. Zero learning cost: Remove unnecessary settings, anyone can use it, and complete the first scanning experience in seconds. PDF Scanner App is not just a "scanner", but a smart tool that gives documents a "new lease of life". Subscription function service: 1. Subscription service: weekly subscription, lifetime subscription 2. Subscription price: subject to IAP application information Terms of Service 1. User terms of service: https://zonghong-termsofuse.pages.dev 2. Privacy Policy: https://zonghong-privacypolicy.pages.dev/ Contact us: zonghong_global@163.com

Screenshots

Qr code Reader4 screens
PDF Scanner App4 screens

Verdict

The call

The clearest difference is rating: PDF Scanner App at 4.5 against Qr code Reader's 2.0. PDF Scanner App also leads on update cadence (every 2 weeks vs every 14 months) and ratings volume (63 vs 1). Qr code Reader's advantage is iOS requirement (13.0 vs 16.6). On price, review sentiment, ads and in-app purchases 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. Qr code Reader sells 3 in-app purchases, starting at $3.99 per 7 days and PDF Scanner App sells 13 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PDF Scanner App holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: PDF Scanner App has 63 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 14% of Qr code Reader's written reviews are positive against 18% of PDF Scanner App's.

UpkeepUpdate frequency

Qr code Reader ships an update every 14 months, PDF Scanner App every 2 weeks. Both last shipped on October 20, 2026.

Scorecard4 real differences · 6 level
Qr code Reader versus PDF Scanner App: the parameters behind the verdict, then further details
ParameterQr code ReaderPDF Scanner App
PriceFreeFree
Rating2.0 (1 ratings)4.5 (63 ratings) — better
Positive reviews14.3% of reviews18.2% of reviews — better
Number of ratings163 — better
Update frequencyEvery 14 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size23 MB216 MB
Age rating+94+
DeveloperAspen Resolve LLCShanghai Zongchong Information Technology Co., Ltd

Customer experience

Qr code Reader

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews7 reviews
Positive14.3%
Neutral0.0%
Negative85.7%

PDF Scanner App

All ratings62 ratings
Positive85.5%
Neutral4.8%
Negative9.7%
Written reviews11 reviews
Positive18.2%
Neutral0.0%
Negative81.8%

In-app purchases

3 purchases

Qr code Reader

Subscriptions1
  • Weekly Members3 Days trial$3.997 Days
One-time2
  • Monthly Membership$5.99
  • Annual Membership$14.99
13 purchases

PDF Scanner App

Subscriptions9
  • Special offer for new users7 Days trial$9.997 Days
  • Scanner App Pro 1 Week$9.997 Days
  • Scanner App Pro 1 Week3 Days trial$9.997 Days
Show 6 more
  • Special offer for new users1 Month trial$14.991 Month
  • Scanner App Pro 1 Monthly$14.991 Month
  • AI 全能扫描王半年会员1 Month trial$19.996 Months
  • Scanner App Pro 3 Monthly$19.993 Months
  • Scanner App Pro 1 Year$29.991 Year
  • Scanner App Pro 1 Year3 Days trial$39.991 Year
One-time4
  • AI全能扫描王月会员$14.99
  • Scanner App Pro 3 Monthly$24.99
  • Scanner App Pro 3 Monthly$44.99
Show 1 more
  • FScanup Pro Lifetime$69.99

Questions

Is Qr code Reader free?
Qr code Reader is free to download, with in-app purchases available.
Is PDF Scanner App free?
PDF Scanner App is free to download, with in-app purchases available.
Which has better reviews, Qr code Reader or PDF Scanner App?
PDF Scanner App is rated higher. Qr code Reader averages 2.0 out of 5 from 1 ratings, while PDF Scanner App averages 4.5 from 63 ratings.
Do Qr code Reader or PDF Scanner App have ads?
Neither Qr code Reader nor PDF Scanner App shows ads.
Which is updated more often, Qr code Reader or PDF Scanner App?
Qr code Reader ships an update every 14 months, and PDF Scanner App every 2 weeks. Most recently, Qr code Reader was updated on October 20, 2026 and PDF Scanner App on October 20, 2026.

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