Comparison

Quardian vs Authenticator 2FA TOTP OTP MFA

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

Head to head
About

Quardian

Features
Read full description

Every QR code is a blind hyperlink. Quardian opens your eyes. Quardian is the most advanced QR code security scanner for iOS. Point your camera at any QR code or barcode, and Quardian instantly runs 14 security checks — all on-device, in under 200ms, with zero data leaving your phone. ▸ REAL-TIME THREAT DETECTION • Phishing detection — catches brand impersonation, suspicious domains, and URL shortener obfuscation • JavaScript injection blocking — detects XSS payloads, script tags, event handlers, and encoded attacks • SSL certificate verification — inspects the actual certificate, extracts organization, country of origin (with flag), issuer, and expiration date • Domain trust verification — unknown domains start as suspicious until SSL is verified • EMV payment QR validation with CRC-16 checksum integrity ▸ SAFE BROWSER (PRO) Open scanned URLs in a hardened sandboxed browser. JavaScript blocked by default. No cookies. No persistent storage. No downloads. Redirect chain detection. Credential harvesting prevention. ▸ BARCODE SCANNER & FOOD SAFETY Scan any UPC or EAN product barcode to instantly see the product name, estimated price, Nutri-Score (A–E), NOVA processing level, and full nutrition facts. Quardian checks against 50+ harmful substances including Red 40, HFCS, trans fats, BVO, titanium dioxide, and more — using EU safety standards with child safety alerts. ▸ AI IMAGE DETECTOR (PRO) Detect AI-generated images using 7 on-device analysis signals — EXIF metadata, camera hardware, resolution patterns, noise variance, edge sharpness, color distribution, and file format analysis. Sweep your entire photo library to find AI images hiding among real photos. ▸ HIPAA COMPLIANCE (PRO) The only QR scanner designed for clinical environments. Detects Protected Health Information (SSN, MRN, DOB, insurance IDs). Biometric session lock. Immutable audit trail. Configurable data retention. Device security audit. ▸ FREE WITH DAILY LIMITS Every feature is available free: 5 scans/day, 3 URL checks, 1 AI analysis, 3 Safe Browser uses. Upgrade to Pro for unlimited access. ▸ PRO PLANS • Monthly: $3.99/mo (7-day free trial) • Yearly: $29.99/yr — save 37% (7-day free trial) ▸ PRIVACY FIRST No accounts. No tracking. No analytics. No data uploaded. Everything runs on-device. Your scan history never leaves your phone. U.S. Patent Pending (App. No. 30/053,383) Privacy policy https://quardian.ai/privacy.html Terms of use https://quardian.ai/terms.html

About

Authenticator 2FA TOTP OTP MFA

Securely store and manage your two-factor authentication codes in one private location. Easily scan QR codes or enter keys to generate time-based one-time passwords for your accounts. Offers advanced features like encrypted backup and organization tools for a streamlined security experience.

Highlights
  • Time-based code generation
  • QR code scanning for setup
  • Manual key entry
  • Quick code copying
  • Local authentication for app access
  • Encrypted backup (premium)
  • Account organization (premium)
Features
Read full description

Authenticator 2FA TOTP keeps time-based login codes in one focused, private place. Scan a setup QR code or enter a key manually. View current one-time codes, copy them quickly, and see when each code refreshes. Use local authentication to protect access to the app. Premium features can add encrypted backup, import, folders, widgets, and advanced security options. The app is independent and does not claim affiliation with any third-party service. Built for everyday accounts that support TOTP codes: work, finance, developer tools, gaming, and social logins. Current codes stay easy to read, quick to copy, and clearly show when the next refresh is coming. For larger setups, advanced tools help keep accounts organized with manual setup keys, import, folders, widgets, and optional encrypted backup. - Privacy Policy: https://lykovstudio.io/privacy - Terms of Use: https://lykovstudio.io/terms

Screenshots

Quardian3 screens
Authenticator 2FA TOTP OTP MFA4 screens

Verdict

The call

The clearest difference is device support: Authenticator 2FA TOTP OTP MFA at 4 against Quardian's 2. On price, ads, in-app purchases and iOS requirement 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. Quardian sells 2 in-app purchases, starting at $3.99 per month and Authenticator 2FA TOTP OTP MFA sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 8 level
Quardian versus Authenticator 2FA TOTP OTP MFA: the parameters behind the verdict, then further details
ParameterQuardianAuthenticator 2FA TOTP OTP MFA
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 4 days
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.015.0 — better
Further details — not scored
Size6 MB61 MB
Age rating4+4+
DeveloperDan SolheimLYKOV STUDIO LTD

In-app purchases

2 purchases

Quardian

Subscriptions2
  • Quardian Pro Monthly$3.991 Month
  • Quardian Pro Yearly$29.991 Year
2 purchases

Authenticator 2FA TOTP OTP MFA

Subscriptions2
  • Weekly3 Days trial$5.997 Days
  • Annual$29.991 Year

Questions

Is Quardian free?
Quardian is free to download, with in-app purchases available.
Is Authenticator 2FA TOTP OTP MFA free?
Authenticator 2FA TOTP OTP MFA is free to download, with in-app purchases available.
Do Quardian or Authenticator 2FA TOTP OTP MFA have ads?
Neither Quardian nor Authenticator 2FA TOTP OTP MFA shows ads.

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