QNAP Authenticator vs Markling
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.
Markling
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Make room for your next idea. Markling is a Markdown editor for iPhone, iPad, Mac, and Apple Vision Pro. Open a file, shape your thoughts, and see your writing take form. WRITE YOUR WAY Edit the Markdown source with syntax highlighting, formatting tools, line numbers, find and replace, and Undo/Redo. Or select and edit directly in Preview: the Markdown around your selection appears as you work, then returns to its rendered style. READ WITH CLARITY Preview headings, lists, tables, task checkboxes, code, and images. Jump between sections with the outline. Choose a preview theme, adjust the text size, or settle into focus mode. Light and dark appearances are included. SPACE WHEN YOU NEED IT iPhone and narrow windows keep Edit and Preview one tap apart. On iPad, Mac, and Apple Vision Pro, wider windows add Split view with an adjustable divider and synchronized scrolling. KEEP YOUR OWN FILES Open documents from Files, iCloud Drive, or other available file providers. Browse a folder as a workspace and return to documents through Recent Files. Your writing stays in ordinary Markdown files. On Mac, use the native Save and Save As commands; mobile documents save changes in place. Access follows the permissions of your chosen file provider. DIAGRAMS AND MATH Preview Mermaid diagrams, inline and display LaTeX math, and footnotes using libraries included in the app. No online rendering service is required. Remote HTTPS images need a network connection. SHARE THE RESULT Export paginated PDF or standalone HTML, or use system printing. Diagrams and math render in HTML and PDF, with readable fallback for invalid source. PDF can include accessible HTTPS images. FREE MOBILE. ONE-TIME MAC UNLOCK. iPhone, iPad, and Apple Vision Pro are free. On Mac, start a free 14-day trial of all editing features, then unlock Mac editing with a one-time in-app purchase. There is no subscription or automatic charge after the trial. The purchase screen shows your local price. Restore your purchase on your other Macs using the same App Store account. After the Mac trial ends, you can still open, read, copy, and export documents, and save outstanding edits. Creating and editing documents requires the Mac unlock. Your files remain yours. No Markling account or ads. Questions? Contact mihail.duchev@icloud.com.
Screenshots
Verdict
The clearest difference is update cadence: Markling at every 3 days against QNAP Authenticator's every 3 months. Markling also leads on device support (4 vs 2). QNAP Authenticator's advantage is iOS requirement (16.0 vs 18.0). On price, 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.
QNAP Authenticator ships an update every 3 months, Markling every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | QNAP Authenticator | Markling |
|---|---|---|
| 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 | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Vision Pro — better |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 44 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | QNAP Systems, Inc. | MIHAIL PLAMENOV DUCHEV |
In-app purchases
QNAP Authenticator
No in-app purchases
Markling
No in-app purchases









