Comparison

Pics21 vs PDF Scanner

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

Head to head
About

Pics21

Effortlessly create long screenshots by scrolling. Edit stitch points, adjust orientation, and add highlights. This tool offers customizable settings to personalize your long screenshot experience.

Highlights
  • Create long screenshots
  • Editable stitch points
  • Portrait and landscape support
  • Image orientation adjustment
  • Content highlighting
  • Customizable settings
  • JPG/PNG output
Features
Read full description

Scroll to create your long screenshots with a great productivity. - Every stitch point is editable, so no worry if anything went wrong. - Support both portrait and landscape mode, you can even change the image orientation inside the editor. - Easy markup. Highlight content when needed. - Provide rich settings, make Pics21 your personal long screenshot assistant. - Provide JPG/PNG output format with several quality options. If you meet a bug or have any suggestions, please email to contact@pics21.app Text Tutorial: 1. Add Screen Recording into Control Center: Please skip this step if you have already added. Go Settings -> Control Center -> Customize Controls, and tap the plus icon in front of Screen Recording. 2. Open your target app and choose Pics21 Stitch for broadcast: For example, open App Store, and access Control Center. LONG PRESS Screen Recording button, choose Pics21 Stitch. 3. Start to record with Pics21 Stitch: Then tap Start Broadcast and return to your target app within 3 seconds. 4. Scroll at your ease: When you see the red oval in the top left corner, start to scroll the screen. Stop scrolling with the proper position in your mind. 5. All set: Wait for 3 seconds. Tap Go to Application and check it out!

About

PDF Scanner

Features
Read full description

【PDF Scanner】 helps you turn paper documents, photos, and existing files into organized PDFs. Scan, edit, annotate, sign, and protect documents from one convenient workspace. **Document Scanning** Capture paper pages with the camera or import images and local files. Combine multiple pages into a PDF that is ready to review, rename, organize, and share. **PDF Toolkit** Split, merge, compress, and normalize PDF files for different document workflows. Organize files with folders and move, rename, preview, or share them as needed. **OCR and Notes** Recognize text in scanned pages, review extracted content, and add line highlights with attached notes. Watermarks and annotations help you mark important information without changing the original source document. **Sign and Protect** Create, save, and reuse signatures across PDF pages. Add password protection to sensitive files and use Face ID for quicker access when biometric unlock is enabled. Keep everyday document work organized with scanning, PDF processing, text recognition, annotations, signatures, and file protection in one app. Download PDF Scanner and manage your documents wherever you go. Premium Account Pricing and Terms $ 9.99/week* $ 39.99/year* *The prices shown are in U.S. dollars. Actual charges may be converted to your local currency based on your country or region. Payment will be charged to your iTunes account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period, and the renewal cost will be provided. Subscriptions may be managed by the user. Auto-renewal may be turned off by going to the user's account settings after purchase. Cancellation of the current subscription is not allowed during an active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dashingent.xyz/pdfwendangsaomiao/privacy.html

Screenshots

Pics214 screens
PDF Scanner4 screens

Verdict

The call

The clearest difference is update cadence: Pics21 at every 2 days against PDF Scanner's every 2 months. Pics21 also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, 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. Pics21 sells 1 one-off in-app purchase and PDF Scanner sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Pics21 ships an update every 2 days, PDF Scanner every 2 months. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 7 level
Pics21 versus PDF Scanner: the parameters behind the verdict, then further details
ParameterPics21PDF Scanner
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 2 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better16.0
Further details — not scored
Size25 MB18 MB
Age rating4+4+
Developer高 孙DASHING ENTERPRISES LIMITED

In-app purchases

1 purchases

Pics21

One-time1
  • Unlock PRO$1.99
2 purchases

PDF Scanner

Subscriptions2
  • Weekly Nova3 Days trial$9.997 Days
  • Yearly Nova$39.991 Year

Questions

Is Pics21 free?
Pics21 is free to download, with in-app purchases available.
Is PDF Scanner free?
PDF Scanner is free to download, with in-app purchases available.
Do Pics21 or PDF Scanner have ads?
Neither Pics21 nor PDF Scanner shows ads.
Which is updated more often, Pics21 or PDF Scanner?
Pics21 ships an update every 2 days, and PDF Scanner every 2 months. Most recently, Pics21 was updated on October 7, 2026 and PDF Scanner on October 17, 2026.

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