ScanDoc vs PDF Notes C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScanDoc
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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
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.
- 2-page PDF viewer
- Fast page turns
- Handwriting tools
- Document browser
- Quick file previews
- PDF creation and assembly
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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
Verdict
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
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.
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.
| Parameter | ScanDoc | PDF Notes C |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 28 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 188 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Dickson Kwok | AMuseTec Co., Ltd. |
In-app purchases
ScanDoc
No in-app purchases
PDF Notes C
- Monthly Plan$0.491 Month









