Scanner vs RobustScanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scanner
Transform your mobile device into a powerful scanner. Automatically recognize text (OCR) and convert documents into digital PDF or JPEG files. Organize, edit, and share your scans with ease.
- Scan documents to PDF or JPEG
- Automatic text recognition (OCR)
- Edit and enhance scans
- Organize with custom folders
- Cloud storage integration
- Electronic signature support
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Scanner: Scan To PDF is free to download and turns your mobile device into a powerful scanner that recognises text automatically (OCR) and allows you to create, save, and organise your paper documents as a digital file. Scan anything — receipts, notes, ID cards, recipes, photos, business cards, whiteboards — and turn them into PDF or JPEG files you can work with on your smartphone, tablet, or computer. HOW IT WORKS • Scan any document and convert to PDF or photo. • Get perfect scans of book and magazine pages with Straighten in Book Mode. • Quickly scan and save your important documents to Dropbox or Google Drive so you can access and share them wherever you are. • Adjust the brightness and contrast of your scans in just a few taps. DOCUMENT SCANNER • This tiny yet powerful free scanner app is a must-have for students and anyone involved in a small business: accountants, realtors, managers, or lawyers. Scan anything you need, including receipts, contracts, paper notes, fax papers, books, and store your scans as multipage PDF or JPG files. CAPTURE • Scan anything with precision with this mobile PDF scanner. • Advanced image technology automatically detects borders, sharpens scanned content, and recognises text (OCR). ENHANCE • NEW: Edit in Scan feature allows you to edit your scans. • Preview, reorder, crop, rotate, resize, and adjust color in PDF or photo scans. • Remove and edit imperfections, erase stains, marks, creases, even handwriting. INNOVATIVE PDF SCANNER • Scan documents and photos to PDF, JPG, or TXT • Easily scan multiple pages into one document • Recognize text from any scannable object with OCR • Put your electronic signature on documents HANDY DOCUMENT EDITOR \ FILE MANAGER • Edit scans using color correction and noise removing features • Use file manager with folders, drag \ drop, and document editing features • Protect your confidential scans by locking folders and files with PIN ORGANISE • Capture forms, receipts, notes, ID cards, health documents, and business cards and organise into custom folders so they are easy to access and find. • Contact information will be automatically extracted so you can quickly add to your device contacts — no typing needed. You can even highlight expenses on tax receipts with ease. QUICKLY FIND DOCUMENTS IN PHOTO LIBRARY • This powerful scanner app automatically finds documents and receipts in your photos and turns them into PDF scans, so you don't have to. • Touch up scans or photos from your camera roll. REUSE • Turn your scan into a high-quality Adobe PDF that unlocks text for reuse through automated text recognition (OCR). • Automatic OCR turns text into content you can edit, resize, and reuse in other documents. SCAN ANYTHING, ANYWHERE, ANYTIME • The PDF Scanner app even lets you scan multi-page documents and save with a single tap. • Even lengthy legal documents become manageable and scannable with the PDF Scanner app, which lets you search, select, and copy text. DO MORE WITH ACROBAT • You can also open a PDF scan in Acrobat Reader to highlight key sections, add comments, fill and sign documents. • Free, built-in optical character recognition (OCR) lets you reuse scanned text and content to work with in Adobe Acrobat Reader. IN-APP PURCHASE • Subscribe for even more scanning power. Subscriptions work across Scan and Reader mobile apps and Acrobat on the web. • Combine scans into one file so you can take multiple scans and consolidate into one document. • Export PDFs to Microsoft Word, Excel, or PowerPoint file formats to repurpose or reformat your documents. • Increase OCR capacity from 25 to 100 pages so that you can find text in multiple scans. Download the free mobile scanner to convert important photos and documents into PDF and JPEG files to help you stay organised. PDF Scanner is the PDF converter trusted by millions worldwide.
RobustScanner
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RobustScanner is a completely free iOS scanning tool designed to turn your phone into a powerful portable scanner. Whether you need to scan documents, extract text, translate content, or recognize card information, RobustScanner provides efficient and convenient solutions. Below are the app’s main features and characteristics: Main Features 1. Photo Recognition Users can take photos to capture document images for upload. The app will automatically perform OCR text recognition to accurately extract and display the content. 2. Album Upload Supports selecting existing images from the phone’s album for text extraction. Quickly recognizes text in images with simple operations, suitable for various scenarios. 3. Document Scanning After opening the camera, the app automatically detects document areas and captures the image. Users can then manually adjust parameters such as angle on the image adjustment page. Clicking "Save" stores the scanned document as an image in the album. Alternatively, users can choose to save it as a PDF on the results page, with text automatically extracted from the document. 4. PDF Text Extraction Supports selecting PDF files from the phone’s storage for text extraction. 5. Translation • Image Translation: Upload images by taking a photo or selecting from the album. The app automatically detects the language in the image and translates it into the target language. • Input Translation: Supports manual text input or voice input. Automatically detects the input language and translates it into the user’s chosen target language. Supports multiple languages, including Chinese, English, Russian, Japanese, Korean, French, Spanish, and more. 6. Card Scanning Users can manually click the camera button to upload an image. After upload, the app automatically recognizes text information on the card. 7. QR Code Scanning A QR code button is located in the top-right corner of the home page. Click to enter scan mode, which supports both QR code and barcode scanning. 8. History Records All scanning and processing results are saved as history records after clicking "Save" on the results page. Users can manage these records in the history section, which includes a search function filtered by record type for easy retrieval. 9. Settings and Personalization • Dark Mode: Provides a comfortable nighttime experience. • Follow System Language: Enabled by default. The app automatically detects the phone’s system language during startup and initializes in the appropriate language to enhance user experience. • App Language: Currently supports Chinese, English, and Russian. It can also follow the system language. If the system language is not one of these, the app defaults to English. • OCR Recognition Model: Users can select a suitable OCR model to improve text extraction accuracy. • Help and Feedback: Includes built-in help and feedback pages. The help page aims to improve the user experience, while the feedback page allows us to listen to user opinions, whether positive or negative. Other settings options are available to optimize the user experience. For specific features, please refer to the in-app help page. Features and Advantages • Simple Operation: Intuitive interface design suitable for all users. • Efficient and Accurate: Automatic edge detection, image enhancement, and intelligent extraction technology ensure clear and precise results. • Multifunctional Integration: Combines scanning, text extraction, translation, and card recognition to meet diverse needs. • Flexible Sharing: Supports sharing scan results via email and cloud storage. RobustScanner is an indispensable tool for your daily work, study, and life. Download it now to experience efficient and convenient all-in-one scanning services!
Screenshots
Verdict
The clearest difference is ads: RobustScanner at none against Scanner's shown. Scanner's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 16.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Scanner ships an update fortnightly, RobustScanner every 2 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.
| Parameter | Scanner | RobustScanner |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 12 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Krushit Sachapara | Chengdu Daiyu Ledong Technology Co., Ltd |
In-app purchases
Scanner
No in-app purchases
RobustScanner
No in-app purchases









