PDF Reader & Doc Scanner vs PrismQR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader & Doc Scanner
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PDF Reader & Doc Scanner lets you open and read documents, add text and annotations, sign PDFs and compress files for sharing. Use the document scanner to digitize pages and OCR to extract text from photos and scanned PDFs. Every tool is available without a subscription or trial period. The app displays ads. PDF READER • Open PDFs from Files, Mail and other apps through the share menu • Browse PDFs saved in the app's folder, with thumbnails, page count and file size • Search for words in documents with selectable text • Read with continuous scrolling or page by page, vertically or horizontally • Use full screen and color inversion for reading at night • Tap the page number to jump to the page you need • Organize documents with favorites, recents and folders PDF EDITOR & ANNOTATIONS • Add text and annotations on top of PDF pages • Highlight, underline and strike through text • Add notes, draw freehand and insert the date, shapes, lines and arrows • Undo and redo changes • Save a copy or replace the original when the file allows it SIGN PDF • Draw your signature with your finger and save it as a template • Take a photo of your signature on paper and remove the background automatically • Position and resize the signature on the page DOCUMENT SCANNER • Scan documents with the camera and turn them into PDFs • Use automatic cropping and filters: original, grayscale, black and white, and enhance • Arrange the front and back of an ID card on a single page for printing OCR: EXTRACT TEXT • Recognize and extract text from photos, screenshots and scanned PDF pages • Copy recognized text with one tap LISTEN TO PDF • Listen to document text read aloud, page by page • Adjust the reading speed • Use text recognition to listen to scanned pages too PDF TOOLS • Compress PDF: use three compression levels to shrink files before sending them by email or WhatsApp. The reduction depends on the document • Merge PDF: combine several files into one • Split PDF: extract any page range • Organize pages: reorder, rotate, delete, insert blank pages or pages from another PDF, and extract pages • Password protect PDFs with AES-256 encryption • Remove passwords: enter the current opening password to save a copy without that protection • Remove printing and copying restrictions from PDFs that open without a password • Watermark: add text and adjust color, size, opacity and rotation • Crop page margins • PDF to image: export pages as PNG or combine pages into a long JPG image
PrismQR
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PrismQR is an all-in-one app for reading and creating QR codes — quickly and safely. -- Great for -- - Anyone who wants to scan QR codes in an instant - Checking QR codes sent by friends as photos or screenshots - Creating original QR codes for menus, business cards, and more - Verifying a link is safe before opening an unfamiliar QR code -- Key Features -- [Fast QR Scanning] Instantly read QR codes by simply pointing your camera. Supports all types of QR codes including URLs, text, and WiFi information. Zoom and flashlight features enable comfortable scanning even in low light. [Scan from Images] Read QR codes from screenshots and images saved in your camera roll. Quickly access QR codes sent by friends. [Safety Check] Every scanned link is automatically checked for HTTPS encryption and deceptive lookalike domains (punycode tricks). Suspicious links are flagged with a warning before you open them, helping protect you from phishing and "quishing" (QR code phishing) scams. [Stylish QR Code Creation] Create original QR codes by simply entering text or URLs. - Color Customization: Design QR codes in your favorite colors - Gradients: Create unique QR codes with beautiful gradients - Logo Addition: Place a logo or image in the center for brand appeal [History Management] Both scanned and created QR codes are automatically saved to history. Access and reuse them anytime. [Appearance] Choose Light, Dark, or match your device's system setting. [Multi-Language Support] Supports English and Japanese, matching your device language automatically (changeable anytime in Settings). -- Highlights -- - No account or sign-up required - Scan history stays on your device only — nothing is sent to external servers - Free to download and use (includes ads; a one-time in-app purchase removes them) Make QR codes more convenient and more secure. Try PrismQR today.
Screenshots
Verdict
The clearest difference is device support: PDF Reader & Doc Scanner at 3 against PrismQR's 1. PDF Reader & Doc Scanner also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases 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.
PDF Reader & Doc Scanner ships an update every 5 months, PrismQR every 6 months. Both last shipped on October 30, 2026.
| Parameter | PDF Reader & Doc Scanner | PrismQR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months — better | Every 6 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 96 MB | 5 MB |
| Age rating | +4 | 4+ |
| Developer | FWR Tecnologia | BYNET |
In-app purchases
PDF Reader & Doc Scanner
No in-app purchases
PrismQR
No in-app purchases









