QR Code Scanner & Generators vs Open Docs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QR Code Scanner & Generators
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This is a free app that allows you to read QR codes and barcodes with easy operations. You can read various QR codes and barcodes using your mobile device's camera function. 【Function】 ・Reading the QR code ・Reading barcodes ・You can read the QR code from the image in the album. ・History management A history is kept so you can easily access links and share them with others. You can easily delete it if it is no longer needed. ・Button placement function You can easily press buttons that are difficult to press depending on your dominant hand by changing the settings. QR code is a registered trademark of Denso Wave Co., Ltd.
Open Docs
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OpenDocs is a clean, local-first document viewer for the files you already have. Open PDFs, Word, Excel, Markdown, text, CSV, JSON, XML, and RTF files from Files or other apps, then return to them with saved reading history. • Browse recent files by name, format, and favorites. • Read text, Markdown, CSV, JSON, XML, and RTF in a focused viewer. • View PDFs with zoom and efficient page loading. • Preview DOCX and XLSX while keeping the native full-fidelity viewer path available. • Share documents or open them in another compatible app. • Choose light, dark, or system appearance, text size, wrapping, and resume position. OpenDocs does not require an account and includes no ads, analytics, or tracking SDKs. Document references and reading history stay on-device; document contents are not uploaded to OpenDocs or a remote conversion service. The optional Support the author screen loads a QR image from VietQR. Open your files simply, privately, and right when you need them.
Screenshots
Verdict
The clearest difference is ads: Open Docs at none against QR Code Scanner & Generators's shown. QR Code Scanner & Generators's advantage is update cadence (weekly vs fortnightly) and iOS requirement (13.0 vs 18.2). 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.
QR Code Scanner & Generators ships an update weekly, Open Docs fortnightly. The most recent releases landed on September 29, 2026 and September 17, 2026 respectively.
| Parameter | QR Code Scanner & Generators | Open Docs |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 115 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouichi Yamaguchi | Ho Dung |
In-app purchases
QR Code Scanner & Generators
No in-app purchases
Open Docs
No in-app purchases
Questions
Is QR Code Scanner & Generators free?
Is Open Docs free?
Do QR Code Scanner & Generators or Open Docs have ads?
Which is updated more often, QR Code Scanner & Generators or Open Docs?
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