Comparison

WatchPassport vs Watch Authentication

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

Head to head
About

WatchPassport

Features
Read full description

Authenticity:Β  Your Digital Product Passports (DPP) areΒ ensuring the authenticity and ownership of your watch, whether you're its first buyer or a seasoned collector.Β  Each digital passport is a testament to security, certifying that every timepiece is unique and authentic thanks to blockchain technology. Product Information and After-Sales Services:Β  Each digital passport contains key information about your watch, including a detailed description and irrefutable proof of its authenticity and Ownership.Β  Additionally, it centralizes all after-sales services: warranty extension, maintenance history, user manual, insurance, ensuring comprehensive management of your prized collection. Direct communication : The passport creates an unbreakable link between your timepiece, you, and the brands. The app allows direct communication from your favorite luxury watch brands, while respecting your data privacy, and opening doors to exclusive experiences, special events, and personalized offers. Key Features: Blockchain authentication for each watch. Transparency on product information. Centralization of after-sales services. Direct interaction with luxury watch brands. Real-time updates on the status and history of each watch. Horae : innovation at the service of watchmaking heritage.

About

Watch Authentication

Features
Read full description

Watch Authenticator Watch Authenticator turns your iPhone into a luxury-watch verification tool. Snap a single photo β€” our AI identifies the brand, reference, model, and year, estimates market value, and walks you through a component-by-component authentication check. Get a professional PDF report you can share with a seller, buyer, or insurer. WHO IT'S FOR Buying pre-owned and want a second opinion before you wire money Selling a watch and need credible documentation of authenticity Inheriting a piece and want to know what it actually is Collectors who want a paper trail for their wrist WHAT YOU GET Instant brand + reference identification with confidence scoring Market value estimate (low / high) based on a 33,000+ watch database Multi-step authentication: dial, bezel, crown, caseback, rehaut, movement, and more Per-component scoring and an overall verdict (likely authentic / inconclusive / suspect) A holistic AI-generated comprehensive report that cross-checks every photo together A polished PDF you can share, print, or attach to a listing HOW IT WORKS Tap "Scan a Watch" and take a clear photo of the dial We identify the brand, reference, and price range in seconds Tap "Authenticate" β€” we tell you exactly which photos to take next Each check is scored independently and stored with your scan Generate the AI Report when you're done β€” and export the PDF POWERED BY GPT-4o VISION We use OpenAI's latest vision model to identify brands and assess authenticity markers. The model is calibrated against a hand-curated database of 33,000+ watches across 32 luxury brands including Rolex, Omega, Patek Philippe, Audemars Piguet, Vacheron Constantin, IWC, Tudor, Cartier, and more. PRICING 10 free identification scans 1 free full authentication report on every new device Pay-per-report packs: 1 report + 5 scans for $2.99 Β· 5 reports + 30 scans for $7.99 Β· 15 reports + 100 scans for $14.99 Credits never expire. No subscription. PRIVACY Photos are processed by our authentication backend and sent to OpenAI for vision analysis. We do not sell your data. Account credentials are protected via Supabase Auth. Full policy linked from inside the app. DISCLAIMER Watch Authenticator is a decision-support tool, not a substitute for in-person inspection by a certified watchmaker or brand boutique. Final purchasing decisions are your own. Authentication confidence depends heavily on photo quality and visible components. Got questions? Tap "Account" β†’ contact support, or email d9designk@gmail.com.

Screenshots

WatchPassport4 screens
Watch Authentication4 screens

Verdict

The call

The clearest difference is in-app purchases: WatchPassport at none against Watch Authentication's 3. WatchPassport also leads on update cadence (every 10 days vs monthly). Watch Authentication's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Watch Authentication sells 3 one-off in-app purchases. WatchPassport asks for nothing beyond the download.

UpkeepUpdate frequency

WatchPassport ships an update every 10 days, Watch Authentication monthly. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

Scorecard3 real differences Β· 3 level
WatchPassport versus Watch Authentication: the parameters behind the verdict, then further details
ParameterWatchPassportWatch Authentication
PriceFreeFree
Update frequencyEvery 10 days β€” betterMonthly
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS12.4 β€” better13.0
Further details β€” not scored
Size34 MB39 MB
Age rating4+4+
DeveloperHoraeKaroly Losonc

In-app purchases

None

WatchPassport

No in-app purchases

3 purchases

Watch Authentication

One-time3
  • Report pack 1$2.99
  • Report pack 5$7.99
  • Report pack 15$14.99

Questions

Is WatchPassport free?
WatchPassport is free to download, with no in-app purchases.
Is Watch Authentication free?
Watch Authentication is free to download, with in-app purchases available.
Do WatchPassport or Watch Authentication have ads?
WatchPassport shows ads; Watch Authentication does not.
Which is updated more often, WatchPassport or Watch Authentication?
WatchPassport ships an update every 10 days, and Watch Authentication monthly. Most recently, WatchPassport was updated on October 7, 2026 and Watch Authentication on October 24, 2026.

Other comparisons