QNAP Authenticator vs DocMan PDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QNAP Authenticator
Enhance your account security with this mobile app that provides 2-Step Verification and Passwordless Login. It offers multiple verification methods, including login approval, QR code scanning, and online codes, with TOTP support for offline use and third-party accounts.
- 2-Step Verification
- Passwordless Login
- Login Approval
- QR Code Verification
- Online Verification Code
- Time-based One-Time Password (TOTP)
- Offline TOTP generation
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QNAP Authenticator is a free app that adds an extra layer of security to your accounts by using your mobile device to verify your login. You can authenticate your identity using 2-Step Verification or Passwordless Login and choose from multiple verification methods. 【Requirements】 - QNAP NAS running QTS 5.1.0 (or later) - iOS 15 (or later) 【Major features of QNAP Authenticator】 - Supports 2-Step Verification and Passwordless Login - Supports scanning a QR code to quickly add an account - Supports the following verification methods: 1.Login Approval: Approve a login request with just a tap 2.QR Code: Scan a QR code to verify a login request 3.Online Verification Code: Receive a code sent from your QNAP device for verification 4.Time-based One-Time Password (TOTP): Generate a code automatically renewed for verification Login Approval, QR Code, and Online Verification Code require a connection to your NAS, whereas TOTP can work offline. This method also supports verifying third-party accounts from Google, Microsoft, Facebook, GitHub, and other service providers that have implemented their authentication following the TOTP standard.
DocMan PDF
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DocMan turns your iPhone into a private workspace for everyday documents. Try every feature free for the first 3 days. After that, unlock DocMan forever with one payment—no subscription. Scan paper pages, import PDFs or images, reorder pages, split a file into two documents, merge multiple documents, annotate pages, run OCR and export the result when you are done. Everything runs locally on your device. There are no ads, no accounts, no subscriptions and no server-side document processing. What you can do with DocMan: - Scan documents with the iPhone camera - Import PDF, TIFF, images, TXT and RTF files - Reorder, rotate, duplicate and delete pages - Split a multi-page document from any page - Merge multiple documents into one file - Annotate pages with Apple Pencil or touch - Run OCR in English and Czech - Search recognized text - Export PDF, searchable PDF, TIFF, JPG, PNG, TXT and DOCX - Protect exported PDFs with a password - Receive files from Files, Photos, Mail and other apps DocMan is built for people who want a straightforward document tool without a subscription. Pay once and use it whenever you need to clean up a scan, prepare a PDF, save recognized text or send a document from your iPhone.
Screenshots
Verdict
The clearest difference is update cadence: DocMan PDF at monthly against QNAP Authenticator's every 3 months. On price, ads, 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.
QNAP Authenticator ships an update every 3 months, DocMan PDF monthly. Both last shipped on October 24, 2026.
| Parameter | QNAP Authenticator | DocMan PDF |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (13 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 44 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | QNAP Systems, Inc. | Martin Cizkovsky |
In-app purchases
QNAP Authenticator
No in-app purchases
DocMan PDF
No in-app purchases
Questions
Is QNAP Authenticator free?
Is DocMan PDF free?
Do QNAP Authenticator or DocMan PDF have ads?
Which is updated more often, QNAP Authenticator or DocMan PDF?
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