# ScanDoc vs PDF Notes C

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.

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.

## The numbers

| Metric | ScanDoc | PDF Notes C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/pdf-notes-c/id1459073729/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 28 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 188 MB | 22 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dickson Kwok](https://appshunter.io/developer/427459762) | [AMuseTec Co., Ltd.](https://appshunter.io/developer/342152781) |

## What reviewers say

### ScanDoc

[App page](https://appshunter.io/ios/app/scandoc-document-scanner-ocr/id1222477067)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Notes C

[App page](https://appshunter.io/ios/app/pdf-notes-c/id1459073729)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.49 | per month |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*