Comparison

Thetis Authenticator vs Password Studio

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

Head to head
About

Thetis Authenticator

Manage your FIDO2 security keys for passwordless login and two-factor authentication. Supports NFC and Type-C connections for seamless integration across devices. Offers one-time password management for services not yet supporting FIDO2.

Highlights
  • FIDO2 passwordless login
  • Enhanced two-factor authentication
  • One-time password management
  • Optimized for iPad
  • NFC and Type-C compatibility
  • Cross-platform support
  • Phishing-resistant authentication
Read full description

The Thetis Authenticator App provides seamless management of your FIDO2 security keys, enabling passwordless login, two-factor authentication (2FA), and one-time password (OTP) management. Fully optimized for iPhone and iPad, the app supports NFC and Type-C connections, ensuring compatibility across all your devices. With full support for the FIDO2 security standards, Thetis Authenticator empowers you with fast and phishing-resistant authentication. Whether managing business or personal accounts, you can easily integrate Thetis FIDO2 into your daily workflow. Key Features: ●. FIDO2 Passwordless Login: Replace passwords with strong, FIDO2-based authentication for secure access across platforms. ●. Enhanced 2FA: Strengthen your account security with FIDO2-based two-factor authentication for supported services. ●. Complete OTP Management: Add and manage one-time passwords (OTP) for services that don’t support FIDO2. ●. Optimized for iPad: Manage your keys with ease on a larger screen, with full iPad optimization. ●. NFC and Type-C Compatibility: Effortlessly connect using NFC or Type-C for fast key setup. ●. Cross-Platform Support: Use Thetis FIDO2 for services like Google, Dropbox, Microsoft, AWS, and more. ●. Phishing-Resistant Authentication: Built on the FIDO2 standard, ensuring your accounts are protected. Simplify your security and manage your digital identity with ease using Thetis FIDO2.

About

Password Studio

Effortlessly generate strong, memorable passwords and passphrases using custom words or curated lists. Offers three generation modes and extensive customization options for length, characters, and symbols. Prioritizes privacy with on-device generation and no account or cloud storage.

Highlights
  • Three password generation modes
  • Customizable password length and characters
  • Memorable passphrase generation
  • Real-time password strength indicator
  • One-tap copy to clipboard
  • On-device privacy
  • Modern, simple interface
Features
Read full description

Create Strong Passwords & Memorable Passphrases Password Studio makes it easy to create secure passwords and memorable passphrases in seconds. Whether you prefer a traditional random password, a passphrase generated from your own words, or a secure passphrase built from curated random words, Password Studio gives you complete control while keeping everything private on your device. Three Powerful Ways to Create Passwords Custom Create memorable passphrases using words you choose. Passphrase Generate secure, easy-to-remember passphrases from thousands of curated offline words. Random Generate strong random passwords that meet common password requirements. Features • Three password generation modes Custom Passphrase Random • Three built-in security presets Simple Balanced Strong • Customize your results with: Password length Word count Uppercase letters Lowercase letters Numbers Symbols Capitalization Separators Letter substitutions Word shuffling • Generate new words instantly or restyle the same words • Real-time password strength indicator • One-tap copy to clipboard • Beautiful modern interface designed for speed and simplicity Privacy First Your passwords are generated entirely on your device. • No account required • No cloud storage • No password history • No tracking of generated passwords • No internet connection required for password generation Your data stays yours. Whether you're creating passwords for email, banking, work, shopping, gaming, or everyday accounts, Password Studio helps you generate secure credentials that balance security, memorability, and convenience. Download Password Studio today and create stronger passwords with confidence.

Screenshots

Thetis Authenticator4 screens
Password Studio4 screens

Verdict

The call

The clearest difference is rating: Password Studio at 5.0 against Thetis Authenticator's 3.5. Password Studio also leads on update cadence (every 4 days vs every 9 months). Thetis Authenticator's advantage is ratings volume (4 vs 1) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Password Studio holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Thetis Authenticator ships an update every 9 months, Password Studio every 4 days. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Thetis Authenticator versus Password Studio: the parameters behind the verdict, then further details
ParameterThetis AuthenticatorPassword Studio
PriceFreeFree
Rating3.5 (4 ratings)5.0 (1 ratings) — better
Positive reviews60.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 9 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size3 MB6 MB
Age rating4+4+
DeveloperRazzo Tech CorporationAnanke Tech LLC

Customer experience

Thetis Authenticator

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

Password Studio

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Thetis Authenticator

No in-app purchases

None

Password Studio

No in-app purchases

Questions

Is Thetis Authenticator free?
Thetis Authenticator is free to download, with no in-app purchases.
Is Password Studio free?
Password Studio is free to download, with no in-app purchases.
Which has better reviews, Thetis Authenticator or Password Studio?
Password Studio is rated higher. Thetis Authenticator averages 3.5 out of 5 from 4 ratings, while Password Studio averages 5.0 from 1 ratings.
Do Thetis Authenticator or Password Studio have ads?
Neither Thetis Authenticator nor Password Studio shows ads.
Which is updated more often, Thetis Authenticator or Password Studio?
Thetis Authenticator ships an update every 9 months, and Password Studio every 4 days. Most recently, Thetis Authenticator was updated on October 10, 2026 and Password Studio on October 13, 2026.

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