Comparison

Qr 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 reader

Easily generate custom-colored QR codes for various content types like links and emails. Scan existing QR codes from your album or camera. Offers a free trial and subscription options for advanced features.

Highlights
  • Generate QR codes for links, email, social media
  • Scan QR codes from camera or album
  • Customize QR code colors and backgrounds
  • Supports various content types
  • Automatic renewal subscription service
Features
Read full description

Generate QR code: Generate QR codes for different types of content, such as email, messaging, YouTube, Twitter, Instagram links. Scan QR code: You can scan the QR code in the album or use a camera to scan the QR code. Custom color: Abandoning black and white QR codes, different colors and background colors can be set for the QR code. Automatic Renewal Service Statement Payment: After the user confirms the purchase and makes the payment, the amount will be credited to their iTunes account. Unsubscribe: To unsubscribe, please manually disable the auto renewal feature in iTunes/Apple ID settings management 24 hours before the current subscription period expires. After cancellation, no further fees will be charged. Renewal: Apple iTunes account will be charged within 24 hours before expiration. After successful deduction, the subscription period will be extended by one subscription period. Privacy Policy: https://docs.qq.com/doc/DVHZTYVhrTmJFWGlR Terms of Use: https://docs.qq.com/doc/DVG9WU3VobU1yRWFU

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 reader4 screens
PDF Scanner App4 screens

Verdict

The call

The clearest difference is update cadence: Qr reader at every 2 days against PDF Scanner App's every 2 weeks. Qr reader also leads on iOS requirement (13.0 vs 16.6). PDF Scanner App's advantage is review sentiment (18% vs 0%). On price, ads, in-app purchases and monetization model 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 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.

UpkeepUpdate frequency

Qr reader ships an update every 2 days, PDF Scanner App every 2 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Qr reader versus PDF Scanner App: the parameters behind the verdict, then further details
ParameterQr readerPDF Scanner App
PriceFreeFree
Rating—4.5 (62 ratings) — better
Positive reviews0.0% of reviews18.2% of reviews — better
Number of ratings—62 — better
Update frequencyEvery 2 days — betterEvery 2 weeks
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
Size44 MB216 MB
Age rating9+4+
Developer树帆 张Shanghai Zongchong Information Technology Co., Ltd

Customer experience

Qr reader

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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 reader

Subscriptions1
  • Continuous package week3 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 reader free?
Qr 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.
Do Qr reader or PDF Scanner App have ads?
Neither Qr reader nor PDF Scanner App shows ads.
Which is updated more often, Qr reader or PDF Scanner App?
Qr reader ships an update every 2 days, and PDF Scanner App every 2 weeks. Most recently, Qr reader was updated on October 9, 2026 and PDF Scanner App on October 14, 2026.

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