Comparison

Thetis Authenticator vs Slab Oracle

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

Slab Oracle

Features
Read full description

Pre-screen your cards BEFORE submitting to PSA, Beckett, or SGC. Slab Oracle uses AI vision to analyze condition and predict what grade your card would receive — saving you time and submission fees. HOW IT WORKS 1. Snap photos of your card (front, back, close-ups) 2. AI analyzes centering, corners, edges, and surface condition 3. Get your estimated grade with detailed condition breakdown FEATURES • AI-powered condition analysis on the PSA 1-10 scale • Sub-grade breakdown: Centering, Corners, Edges, Surface • BGS and SGC grade predictions with confidence scores • Visual grade overlay — tap any sub-grade to see highlighted areas on your card • Variation & parallel detection — identifies short prints, color parallels, and numbered cards • Card vault to save and track your graded collection • Share grades with friends and fellow collectors PRO FEATURES • Live eBay market data — real sold comps for raw and graded values • PSA population report estimates • Detailed sub-grade notes with specific findings • Oracle Focus — direct the AI to examine specific areas • Pin-drop highlighting — mark areas of concern before grading PLANS • Free: 3 scans to try it out • Starter: $3.99/mo — 15 scans, detailed sub-grades • Pro: $9.99/mo — 50 scans, live market data, pop reports • Dealer: $19.99/mo — 100 scans, Oracle Focus, pin-drop analysis Works with sports cards (baseball, basketball, football, hockey, soccer, and more) and Pokémon cards. Slab Oracle is an independent AI pre-grading tool — NOT affiliated with PSA, Beckett (BGS), SGC, CGC, or any professional grading company. PSA, Beckett, SGC, and CGC are registered trademarks of their respective owners. Grade estimates are AI-generated predictions for informational purposes only. Terms of Service: https://slaboracle.com/terms Privacy Policy: https://slaboracle.com/privacy

Screenshots

Thetis Authenticator4 screens
Slab Oracle4 screens

Verdict

The call

The clearest difference is in-app purchases: Thetis Authenticator at none against Slab Oracle's 7. Thetis Authenticator also leads on iOS requirement (13.0 vs 17.0). On price, 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. Slab Oracle sells 7 in-app purchases, starting at $3.99 per month. Thetis Authenticator asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Thetis Authenticator versus Slab Oracle: the parameters behind the verdict, then further details
ParameterThetis AuthenticatorSlab Oracle
PriceFreeFree
Rating3.5 (4 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 9 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperRazzo Tech Corporationvincent varie

In-app purchases

None

Thetis Authenticator

No in-app purchases

7 purchases

Slab Oracle

Subscriptions3
  • Starter$3.991 Month
  • Pro$9.991 Month
  • Dealer$19.991 Month
One-time4
  • 5 Extra Scans$4.99
  • 10 Extra Scans$8.99
  • 20 Extra Scans$14.99
Show 1 more
  • 50 Extra Scans$29.99

Questions

Is Thetis Authenticator free?
Thetis Authenticator is free to download, with no in-app purchases.
Is Slab Oracle free?
Slab Oracle is free to download, with in-app purchases available.
Do Thetis Authenticator or Slab Oracle have ads?
Neither Thetis Authenticator nor Slab Oracle shows ads.

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