Comparison

QNAP Authenticator vs Cairnly

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 2-Step Verification
  • Passwordless Login
  • Login Approval
  • QR Code Verification
  • Online Verification Code
  • Time-based One-Time Password (TOTP)
  • Offline TOTP generation
Read full description

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.

About

Cairnly

Read full description

Never miss a warranty or return deadline again. Cairnly is a privacy-first receipt, warranty and item vault that keeps your important purchase records organized and reminds you before it's too late. Scan receipts, save warranty details, return deadlines, notes and documents in one place. On-device OCR extracts the text from receipts, so everything stays searchable. Optional iCloud Sync keeps your vault up to date on all your iPhones, in your own private iCloud. Key features: • Reminders before warranties and return windows end • Scan receipts and documents; the scan is attached to the item • On-device OCR: search your vault by any text on a receipt • Add photos and PDF attachments • Warranty shortcuts (1, 2 or 3 years from purchase) • Optional iCloud Sync across your iPhones (private iCloud database) • Back up your whole vault to a single file and restore it on a new device • Search, filter and sort your vault • Claim Pack PDFs with all item details and the attached receipts, for warranty, return or insurance claims • No account, no developer server, no tracking, no analytics Cairnly Pro Lifetime is a one-time non-consumable in-app purchase. It unlocks unlimited items, unlimited attachments, unlimited OCR and Claim Pack PDF export. No subscription. Free version: • Up to 5 items • 1 attachment per item • 2 successful OCR scans • Claim Pack PDF preview; PDF share/export requires Cairnly Pro • Reminders, backup and iCloud Sync are included for free Legal: Privacy Policy: https://ganitunc.github.io/cairnly-legal/privacy.html Terms of Use: https://ganitunc.github.io/cairnly-legal/terms.html Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

QNAP Authenticator4 screens
Cairnly4 screens

Verdict

The call

The clearest difference is in-app purchases: QNAP Authenticator at none against Cairnly's 1. On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Cairnly sells 1 one-off in-app purchase. QNAP Authenticator asks for nothing beyond the download.

UpkeepUpdate frequency

QNAP Authenticator ships an update every 3 months, Cairnly every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
QNAP Authenticator versus Cairnly: the parameters behind the verdict, then further details
ParameterQNAP AuthenticatorCairnly
PriceFreeFree
Rating1.9 (13 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings13 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size44 MB7 MB
Age rating4+4+
DeveloperQNAP Systems, Inc.Gani Tunc

In-app purchases

None

QNAP Authenticator

No in-app purchases

1 purchases

Cairnly

One-time1
  • Cairnly Pro Lifetime$8.99

Questions

Is QNAP Authenticator free?
QNAP Authenticator is free to download, with no in-app purchases.
Is Cairnly free?
Cairnly is free to download, with in-app purchases available.
Do QNAP Authenticator or Cairnly have ads?
Neither QNAP Authenticator nor Cairnly shows ads.
Which is updated more often, QNAP Authenticator or Cairnly?
QNAP Authenticator ships an update every 3 months, and Cairnly every 2 months. Most recently, QNAP Authenticator was updated on October 24, 2026 and Cairnly on October 25, 2026.

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