Big QR Reader vs SmartReaderPDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big QR Reader
Easily scan and decode various QR codes and barcodes, including contact info, URLs, Wi-Fi credentials, and product details. It supports scanning from your gallery and in low-light conditions, with all scan history saved for quick access.
- Reads all QR & barcode formats
- Saves scan history
- Scans from gallery
- Flashlight for dark environments
- Offline scanning
- Scans promotion and coupon codes
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Big QR Reader can read and decode all kinds of QR code and barcode, including contacts, products, URL, Wi-Fi, text, books, E-mail, location, calendar, etc. You can also use it to scan promotion and coupon codes in shops to get discounts. Why choose Big QR Reader? √ Support all QR & barcode formats √ All scan history will be saved √ Scan QR / barcodes from gallery √ Use flashlight to scan in dark environment √ No internet connection required √ Scan promotion and coupon codes √ Privacy safe. Only camera permission required How to use 1. Point camera to the QR code/barcode 2. Auto recognize, scan and decode 3. Get results and relevant options Privacy Policy: https://app.penbob.top/Privacy.html Terms of Use: https://app.penbob.top/Service.html
SmartReaderPDF
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Introducing SmartPDFReader, the ultimate PDF generator that brings convenience and versatility to your fingertips! With our innovative app, you can effortlessly transform your photos into high-quality PDF files with just a few taps. Whether you need to organize a collection of memorable moments or convert important documents into a portable format, SmartPDFReader has you covered. What sets SmartPDFReader apart is its powerful offline editing feature. No matter where you are, you can create, edit, and customize your PDFs without requiring an internet connection. Seamlessly merge multiple images into one cohesive PDF, rearrange pages,. The possibilities are endless! Sharing your PDFs is also a breeze with SmartPDFReader. Whether you want to send a document to colleagues, friends, or family, the app provides seamless integration with popular messaging and cloud storage services. Share files instantly or upload them to platforms ensuring quick and secure access from any device. Experience the future of PDF generation with SmartPDFReader. Stay productive on the go, streamline your workflow, and unlock the full potential of your documents. Get ready to revolutionize how you view, edit, and share PDFs — coming soon to the App Store!
Screenshots
Verdict
The clearest difference is ads: SmartReaderPDF at none against Big QR Reader's shown. On price, update cadence, 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.
Big QR Reader ships an update every 5 days, SmartReaderPDF weekly. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.
| Parameter | Big QR Reader | SmartReaderPDF |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 days — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Peidatong Technology Co., Ltd. | JOYFUL DOG (HK) CO., LIMITED |
In-app purchases
Big QR Reader
No in-app purchases
SmartReaderPDF
No in-app purchases
Questions
Is Big QR Reader free?
Is SmartReaderPDF free?
Do Big QR Reader or SmartReaderPDF have ads?
Which is updated more often, Big QR Reader or SmartReaderPDF?
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