Comparison

PDF Scanner vs CapVocab

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

Head to head
About

PDF Scanner

Transform your phone into a smart scanner with powerful editing tools. Easily convert documents to various formats, extract text with OCR, restore old photos, and utilize AI for counting and measurement. Ideal for professionals and students needing efficient document management.

Highlights
  • Scan documents to PDF, Word, TXT, PPT, JPG
  • OCR text recognition and editing
  • Photo restoration and ID photo maker
  • AI counting and object measurement
  • Document editing (crop, rotate, highlight)
  • Paper eraser for handwritten text removal
Features
Read full description

"PDF Scanner easily turns your phone into a smart scanning app. It allows you to edit documents immediately after scanning, such as cropping, rotating, highlighting, or applying filters. It is a powerful tool for white-collar workers, business people, accountants and students. In addition to scanning, it can also take ID photos, extract text using OCR, restore old photos, erase handwriting, read images, and perform AI counting. Document Scanner - Capture photos to convert ID cards, passports, receipts, newspapers, music scores, menus, screens, certificates, rental agreements, bills, blackboard notes, PowerPoint slides, printed documents, and licenses into PDF format - Easily convert between various formats according to your needs. For instance, scan documents and convert them to Word, PDF, TXT, PPT, or JPG effortlessly - With OCR Text Recognition, accurately extract text from photos. This enables you to edit, adjust, copy, export, or share the recognized text with ease - With the Paper Eraser function, you can scan test papers and instantly remove handwritten text - Take a photo of your documents and remove any wrinkles or stains - Special scanning features include distortion correction, orientation adjustment, re-cropping, defect cleanup, shadow removal and more - The Book Mode scan feature allows you to capture two pages simultaneously. For instance, you can scan multiple pages of a comic book into a single document and save it on your device - Edit your contracts using PDF Scanner, and share them with your customers along with notes Photo Restoration - Repair damaged old photos - Add filters to repaired old photos - Take your ID photos using the ID PHOTO MAKER Free Scanner App with AI Tools - Automatically count similar objects after capturing the items you want to tally - Use your camera to measure the width, height, or length of any objects - Export the results as PDF or JPEG - Manually adjust the results if necessary About Subscrittion - Subscribe to get access to all features of PDF Scanner. You will be charged after the purchase confirmation - Subscriptions auto-renew 24 hours before the expiration date. You can manage your subscriptions in account Settings on the App Store - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - User Agreement: https://scan.juzan.info/index.php/useragreement?channel=apple - Privacy Agreement: https://scan.juzan.info/index.php/privacystatement?channel=apple - Member Service Terms of Use: https://scan.juzan.info/index.php/subscribeagreement?channel=apple - For any issues, please contact us by: hhh_tianyu@yeah.net

About

CapVocab

Features
Read full description

CapVocab — Learn Vocabulary from Real Life Street signs, menus, posters, books, subtitles… Snap a photo and save English words into your vocabulary. No more rote word lists—remember every word in its real photo context. 【Key Features】 • Capture or Import Take a photo or import an image with English text. OCR recognizes the words automatically. • Crop Freely Drag the crop frame to focus on the area you need and cut out the noise. • Tap to Select Words Tap the words you want to learn. Long-press to edit for precise saving. • Review in Photo Context Study with the original scene and flashcards—mark “Know” or “Don’t Know.” • Built-in Dictionary Look up definitions, parts of speech, and pronunciation. • Vocabulary Notebook Browse by time or group by word. Search anytime, and keep notes and review history. 【Who It’s For】 • Learners building real-world English vocabulary while traveling, studying abroad, or in daily life • Anyone tired of traditional word lists who prefers learning from real scenes Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://billcz.github.io/capvocab-pages/#privacy

Screenshots

PDF Scanner4 screens
CapVocab4 screens

Verdict

The call

The clearest difference is ads: CapVocab at none against PDF Scanner's shown. CapVocab also leads on update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement 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 Scanner sells 9 in-app purchases, starting at $0.99 per 7 days and CapVocab sells 2 in-app purchases, starting at $6.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Scanner ships an update weekly, CapVocab every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
PDF Scanner versus CapVocab: the parameters behind the verdict, then further details
ParameterPDF ScannerCapVocab
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeeklyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size247 MB83 MB
Age rating4+4+
DeveloperWANHUHOU TECHNOLOGIES LIMITED喆 陈

In-app purchases

9 purchases

PDF Scanner

Subscriptions5
  • 全能扫描王超级VIP会员$0.997 Days
  • 全能扫描王超级VIP会员$2.991 Month
  • 全能扫描王超级VIP会员3 Days trial$7.997 Days
Show 2 more
  • AR PDF Scanner3 Days trial$9.991 Month
  • 全能扫描王超级VIP会员1 Month trial$39.991 Year
One-time4
  • 全能扫描王超级VIP会员$19.99
  • 全能扫描王超级VIP会员$24.99
  • 全能扫描王超级VIP会员2 variants$59.99
Show 1 more
  • 全能扫描王超级VIP会员$69.99
2 purchases

CapVocab

Subscriptions1
  • Premium Annual$6.991 Year
One-time1
  • Premium Lifetime$17.99

Questions

Is PDF Scanner free?
PDF Scanner is free to download, with in-app purchases available.
Is CapVocab free?
CapVocab is free to download, with in-app purchases available.
Do PDF Scanner or CapVocab have ads?
PDF Scanner shows ads; CapVocab does not.
Which is updated more often, PDF Scanner or CapVocab?
PDF Scanner ships an update weekly, and CapVocab every 3 days. Most recently, PDF Scanner was updated on November 3, 2026 and CapVocab on October 31, 2026.

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