Comparison

Pudding Scan vs Lenovo Smart Scanner

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

Head to head
About

Pudding Scan

Transform paper documents into high-quality PDF files with a single tap. This ad-free scanner offers batch text extraction, translation, and automatic correction for various use cases, from students to teachers and personal learning.

Highlights
  • Scan paper documents to PDF
  • Batch image text extraction
  • Text translation
  • Automatic document correction
  • Accurate edge trimming
  • Multiple filter enhancements
Features
Read full description

A professional, green and ad-free scanning software that can scan paper documents into pdf electronic files with one click, allowing for sharing and printing anytime and anywhere. Batch image text extraction and translation, accurate and efficient; The specific common scenarios are as follows: -- Common Scenarios -- "Student, Staff The blackboard writing and PPT in class and meetings can be automatically corrected and saved with one click. The operation is convenient and easy to review, organize and understand in the future. "Teacher High-quality exercises in the workbook can be scanned and extracted, and multiple questions can be combined and exported to word to create test papers, reducing the workload. "Personal Learning Enhancement Read books and posts anytime and anywhere, scan and extract the essence of the text, and simply accumulate wisdom. -- Functional Features -- "Take a photo to generate an electronic copy With just one tap, the document can be automatically corrected to generate an ultra-clear electronic version. "Accurate document trimming It can automatically and accurately identify the edges of any text or image content carrier and crop them in one step. "Multiple filters Enhanced With multiple filters such as soft, enhanced, brightened and grayscale, it automatically removes the messy background of the picture and highlights the clear contrast of the text. --Automatic renewal rules-- 1. Subscription service A) Pudding scanning continuous monthly subscription (1 month) B) Pudding Scanning Continuous monthly subscription (1 month) B) Pudding Scanning Continuous annual Package (1 year) 2. Subscription price A) Continuous monthly subscription (1 month), $0.99 for the first month and $3.99 per month thereafter B) Continuous monthly subscription (1 month), $3.99 per month C) Continuous annual package (1 year), $21.99 per month for the first year and $31.99 per month for subsequent years 3 Payment: After the user confirms the purchase and makes the payment, it will be credited to the iTunes account 4. Automatic renewal: Apple iTunes accounts will be charged within 24 hours before expiration. Once the deduction is successful, the subscription period will be extended by one subscription cycle 5. Disable the service: You can go to "Settings" on your iPhone --> Enter "iTunes Store & App Store"--> click" Apple ID", select" View Apple ID", enter the "Account Settings" page, click "Subscribe", manage the automatic subscription service, and if need the consumption will be closed 24 hours before the end of each billing cycle. No further charges will be made within 24 hours before the expiration. 6.Privacy Policy:https://www.budingscan.com/scanner/wk2504014c133101 Terms of Use:https://www.budingscan.com/scanner/wk2504013d5afc59 Auto-Renewal Service Rules:https://www.budingscan.com/scanner/wk250630a6f167b8 Membership Services:https://www.budingscan.com/scanner/wk25063083060016

About

Lenovo Smart Scanner

Transform your device into a powerful scanner. Recognize text in images using OCR to convert documents, photos, and notes into editable PDF or JPEG files. Easily transfer your scanned content to any device.

Highlights
  • Document scanning
  • OCR text recognition
  • Convert to PDF
  • Convert to JPEG
  • Cross-device compatibility
Features
Read full description

Lenovo Smart Scanner is free to download and turns your device into a powerful scanner. With it, you can use Optical Character Recognition (OCR) to automatically recognize text in images, enabling you to scan your paper documents, photos, or notes and convert them into editable PDF or JPEG files for use on your computer, smartphone, or tablet.

Screenshots

Pudding Scan4 screens
Lenovo Smart Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: Lenovo Smart Scanner at none against Pudding Scan's 11. On price, review sentiment, update cadence and ads 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. Pudding Scan sells 11 in-app purchases, starting at $0.99 per month. Lenovo Smart Scanner asks for nothing beyond the download.

UpkeepUpdate frequency

Pudding Scan ships an update every 5 weeks, Lenovo Smart Scanner every 6 weeks. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
Pudding Scan versus Lenovo Smart Scanner: the parameters behind the verdict, then further details
ParameterPudding ScanLenovo Smart Scanner
PriceFreeFree
Rating4.9 (211 ratings) — better—
Positive reviews90.9% of reviews — better83.3% of reviews
Number of ratings211 — better—
Update frequencyEvery 5 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS1313
Further details — not scored
Size146 MB142 MB
Age rating4+4+
Developer广东天宸网络科技有限公司Lenovo(Beijing) Limited

Customer experience

Pudding Scan

All ratings210 ratings
Positive97.6%
Neutral0.5%
Negative1.9%
Written reviews55 reviews
Positive90.9%
Neutral1.8%
Negative7.3%

Lenovo Smart Scanner

Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Bugs and requests

Pudding Scan

Reported bugs

7 issues
  • WeChat login redirects to phone login
  • App crashes or shows black screen on iPhone 13 Pro Max with iOS 17.0
  • App shows 'loading' and won't open after update
  • App crashes on iOS 13.3.1
  • Test paper erasure only allows selecting one image
Show 2 more
  • Direct sharing of images results in severe pixel compression
  • Scanning results disappear after switching apps

Requested features

20 requests
  • Improve filter functionality
  • Add finger removal feature
  • Enhance auto-scan capabilities
  • Improve PDF to image processing
  • Add multiple document combinations for ID scanning
Show 15 more
  • Add volume button for scanning
  • Add dark mode
  • Simplify document opening and navigation
  • Add pull-down to exit document feature
  • Add left swipe to return feature
  • Remove left/right document browsing
  • Improve close-up focus for scanning
  • Add text-to-speech functionality
  • Add ability to change phone number account binding
  • Add option to re-select initial interface functions
  • Add cloud storage for Android
  • Add text straightening for scanned books
  • Add ability to apply 'remove shadow' to all pages
  • Add long image generation for sharing after scanning
  • Add border for easier positioning in photo interface

Lenovo Smart Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Pudding Scan

Subscriptions7
  • Auto-renewal monthly plan1 Month trial$0.991 Month
  • Auto-renewal monthly plan$0.991 Month
  • Monthly Subscription1 Month trial$3.991 Month
Show 4 more
  • Monthly Subscription$3.991 Month
  • Annual Subscription$9.991 Year
  • Annual Subscription$31.991 Year
  • Annual Subscription1 Year trial$31.991 Year
One-time4
  • 1-month membership$1.99
  • 布丁扫描会员(一年会员优惠)$9.99
  • 布丁扫描会员(一年会员)$14.99
Show 1 more
  • Lifetime membership$29.99
None

Lenovo Smart Scanner

No in-app purchases

Questions

Is Pudding Scan free?
Pudding Scan is free to download, with in-app purchases available.
Is Lenovo Smart Scanner free?
Lenovo Smart Scanner is free to download, with no in-app purchases.
Do Pudding Scan or Lenovo Smart Scanner have ads?
Neither Pudding Scan nor Lenovo Smart Scanner shows ads.
Which is updated more often, Pudding Scan or Lenovo Smart Scanner?
Pudding Scan ships an update every 5 weeks, and Lenovo Smart Scanner every 6 weeks. Most recently, Pudding Scan was updated on October 25, 2026 and Lenovo Smart Scanner on October 18, 2026.

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