CH vs ScanPDF
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CH
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CH-OCR is a support app designed to help users better understand government notices and official letters. Administrative documents are often important, yet difficult to read due to their length, technical terminology, and unclear descriptions of what actions may be required. This app allows users to scan or import documents and uses OCR (Optical Character Recognition) and AI-based analysis to organize and highlight key information, including: A summary of the document Actions the recipient may need to take Deadlines or important notes (if stated) Amounts or reference numbers (if stated) Important Notice The content provided by this app is generated through automated OCR and AI-based analysis. Accuracy and completeness are not guaranteed. For important decisions or procedures, please always refer to the original document. CH-OCR does not replace official documents or provide legal advice. It is intended solely as a support tool to assist with understanding complex written content. User privacy and safe usage are core principles in the design of this app. With PRO, users can review analysis results in greater detail. The analyzed content, including the original text, is displayed step by step across four tabs, allowing users to compare summaries and review surrounding context and important notes. This helps ensure a more careful and thorough understanding of critical documents. PRO also supports smoother saving and sharing of analysis results, making it easier to manage and review important information over time. β»This app is designed to assist in understanding document content. Analysis results are not guaranteed to be accurate or complete. Please always refer to the original document for final decisions. End User License Agreement (EULA) The terms of use for this app can be found at the link below: https://morimori-labo.monster/privacy_apps/ch-ocr_terms.html
ScanPDF
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ScanPDF turns your iPhone or iPad into a fast, simple document scanner. SCAN IN SECONDS Point your camera at any document. ScanPDF automatically detects edges, corrects perspective, and crops perfectly. MULTI-PAGE PDF Scan receipts, business cards, contracts, invoices, or ID cards. Combine multiple pages into a single PDF file. SHARE INSTANTLY Send your scanned PDF via email, AirDrop, Messages, or any app. No extra steps needed. SIMPLE BY DESIGN No bloat, no clutter. ScanPDF focuses on one thing β turning paper into PDF, fast. PERFECT FOR - Scanning receipts and invoices for expense tracking - Digitizing business cards and contracts - Tax document preparation - Going paperless at work or home Open. Scan. Share. That's it.
Screenshots
Verdict
The clearest difference is device support: ScanPDF at 2 against CH's β. CH's advantage is iOS requirement (18.5 vs 26.0). On price and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | CH | ScanPDF |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 6 weeks |
| Ads | β | Yes |
| In-app purchases | No | No |
| Devices | β | iPhone, iPad β better |
| Requires iOS | 18.5 β better | 26.0 |
| Further details β not scored | ||
| Size | 1 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Junichi Koike | Shuto Nishiyama |
In-app purchases
CH
No in-app purchases
ScanPDF
No in-app purchases









