Comparison

ScanDoc vs PDF Notes C

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

Head to head
About

ScanDoc

Features
Read full description

ScanDoc is useful to capture document or business card image. - OCR (Optical Character Recognition) image converter - Capture or import image from Camera roll - Automatically detect image rectangle - Perspective crop with magnetic pointer - Rotation, adjust image color - Save and Share as PDF and text

About

PDF Notes C

This app offers a streamlined PDF viewing experience with a 2-page display, fast page turns, and annotation tools. It also provides quick previews for various file types and a document browser for easy organization.

Highlights
  • 2-page PDF viewer
  • Fast page turns
  • Handwriting tools
  • Document browser
  • Quick file previews
  • PDF creation and assembly
Read full description

PDF Notes C is a sister app of PDF Notes S that excludes cache to reduce CPU, memory, battery usages, and cache storage. PDF Notes C gives you a 2 pages viewer with horizontal/vertical scroll, and cache for fast page turns, and thumbnail scrollbar. PDF Notes C gives you ZIP Preview, Quick Look of documents, images, music, videos, and etc. PDF Notes C gives you Document Browser so that you can organize all your files very easily. PDF Viewer - 1 page or 2 pages, horizontal or vertical fast page turns - Scroll or turn pages by tap on sides - 8 handwriting tools that you can adjust color and line width - Horizontal or vertical thumbnail scrollbar - PDF outlines, bookmarks, and annotations list - PDF search - Cache manager supports 3 modes, permanent cache, automatic cache, and no cache - PDF creation and assembly (move/rotate/insert/remove pages) Quick Look, ZIP Preview - PDF, RTF, TEXT - iWork documents, Office documents - Images, Music, PiP Videos - Without Unzip, preview ZIP contents (password may be requested if locked) Advertisements before upgrade - Banner ads can be shown at the bottom - Interstitial ads can be shown per 30 minutes Information about the auto-renewable nature of the subscription - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. A link to privacy policy and terms of use - http://blog.musebook.com/2017/03/privacy-policy.html The length of the subscription - Monthly NOTE: All content contained herein is subject to change without notice.

Screenshots

ScanDoc3 screens
PDF Notes C4 screens

Verdict

The call

The clearest difference is in-app purchases: ScanDoc at none against PDF Notes C's 1. ScanDoc also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). PDF Notes C's advantage is update cadence (every 6 weeks vs every 28 months). On price and device support 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 Notes C sells 1 in-app purchase, starting at $0.49 per month. ScanDoc asks for nothing beyond the download.

UpkeepUpdate frequency

ScanDoc ships an update every 28 months, PDF Notes C every 6 weeks. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 6 level
ScanDoc versus PDF Notes C: the parameters behind the verdict, then further details
ParameterScanDocPDF Notes C
PriceFreeFree
Rating—3.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 28 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better13.0
Further details — not scored
Size188 MB22 MB
Age rating4+4+
DeveloperDickson KwokAMuseTec Co., Ltd.

In-app purchases

None

ScanDoc

No in-app purchases

1 purchases

PDF Notes C

Subscriptions1
  • Monthly Plan$0.491 Month

Questions

Is ScanDoc free?
ScanDoc is free to download, with no in-app purchases.
Is PDF Notes C free?
PDF Notes C is free to download, with in-app purchases available.
Do ScanDoc or PDF Notes C have ads?
PDF Notes C shows ads; ScanDoc does not.
Which is updated more often, ScanDoc or PDF Notes C?
ScanDoc ships an update every 28 months, and PDF Notes C every 6 weeks. Most recently, ScanDoc was updated on September 17, 2026 and PDF Notes C on September 18, 2026.

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