Zen Horology

For Watch Collectors

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Keep your watch collection, wear history and service records together. Track accuracy over time and explore a phone-based timegrapher. Zen Horology – For Collectors: Your Personal Watch Collection Manager The watch collector app for accuracy tracking, daily rate, wear logging, phone timegrapher, magnetism screening, and atomic sync. Catalog your vault, measure mechanical watch performance, and manage every detail in one native iPhone app. Start free with 2 watches. WHY COLLECTORS CHOOSE ZEN HOROLOGY Whether you own one grail or a full rotation of divers, dress watches, chronographs, and GMTs, Zen Horology keeps specs, timing data, and ownership stories in one private vault — no social feed, no account required. PRECISION SYNC TIME Synchronize mechanical watches to a live reference clock updating 10 times per second. Sync Assistant adds optional audio ticks and haptic feedback to align the second hand at the top of each minute. Siri Shortcuts included. WATCH ACCURACY TRACKER Monitor timekeeping over days and weeks. Set a baseline against atomic reference time, log checkpoints, and view daily rate in seconds per day with COSC comparison. Interactive charts reveal drift and when a watch may need service or regulation. PHONE TIMEGRAPHER — NO EXTRA HARDWARE Turn your iPhone into an acoustic timegrapher. Measure beat rate (vph), view live waveform and trace, test six standard positions, and get coaching plus a service verdict. Premium unlocks beat error and amplitude. MAGNETISM CHECK Screen watches for magnetization using your iPhone magnetometer. Live and peak readings with clear verdicts and guidance before demagnetization or service. WATCH COLLECTION MANAGER • Up to 20 photos per watch — hero image, full-screen gallery, save to Photos • Brand, model, reference number, serial, production year, watch style categories • Reference nicknames (Batman, Pepsi, and more), movement, caliber, power reserve, COSC • Case and bracelet specs: materials, diameter, thickness, crystal, water resistance • Personal ownership story, 100+ built-in brand logos, fast search and sort • Wear podium highlights your three most-worn watches WEAR TRACKING & ZEN WHISPERER Log wrist time, track streaks, and view 7- and 30-day stats. Personalized collection insights cover rotation balance, forgotten pieces, accuracy leaders, service reminders, and cost-per-wear. Optional push notifications. PORTFOLIO VALUATION Enter purchase prices in any currency. View total collection value with live conversion — ideal for insurance and long-term planning. SERVICE LOGS & DOCUMENTS Attach warranty cards, invoices, certificates, and receipts. Log regulation, full service, and repairs. Preview PDFs and images instantly. WATCH SHOT & iCLOUD BACKUP Create shareable watch cards with multiple themes and layouts. Back up your collection to iCloud Drive with optional weekly auto-backup. Data stays on your device — you control backup. NATIVE DESIGN & PRIVACY Premium light and dark themes, smooth animations, built for iPhone and iPad. No ads. No login. Optional iCloud backup under your control. FREE & PREMIUM Free forever: 2 watches plus accuracy tracking, wear logs, sync time, magnetism check, timegrapher beat rate, documents, and backup. Premium: unlimited watches and advanced timegrapher metrics. Perfect for watch collectors, enthusiasts, and mechanical horology lovers. Download Zen Horology and elevate how you manage, measure, and enjoy your collection. TERMS & PRIVACY Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.zenproducts.ai/apps/zen-horology/privacy Questions: hello@zenproducts.ai

  • 5.0
    out of 5
    2 Ratings

Zen Horology 2.0 is here — rebuilt native for iPhone. • Phone timegrapher — measure beat rate, no extra hardware • Magnetism check — screen watches before service • Watch Shot — shareable collection cards • Richer specs, stories, service logs, and documents • Faster performance and smoother photo gallery • Siri Shortcuts for Sync Time Your collection upgrades automatically.

The developer, ZenProducts Technologies Pvt. Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Location
    • User Content
    • Identifiers
    • Usage Data
    • Diagnostics
    • Other Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • ZENPRODUCTS TECHNOLOGIES PRIVATE LIMITED
Size
  • 208.4 MB
Category
  • Lifestyle
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • iPad
    Requires iPadOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 ZenProducts