The only application to manage and track your watch collection on a daily basis
Klokker: The ultimate app for your watch collection.
Developed by an enthusiast for collectors, Klokker simplifies the management of your timepieces while tracking their mechanical health. Discover a colorful, fluid, and intuitive interface designed to highlight your collection.
Free. Ad-free. Secure Cloud Backup.
1. YOUR COLLECTION, FINALLY ORGANIZED
Centralize your entire horological universe in one place:
- Every detail right at hand: Brand, model, caliber, year, price, photos, case, strap... nothing slips through.
- Visual inventory: Sort, filter, and find every watch in an instant.
- Secure sharing: Share your collection, one link away. Generate a protected public link — no account needed for friends and family.
2. WEAR TRACKING & ROTATION ANALYSIS
Stats that reveal your habits and keep your collection alive:
- Smart Suggestions: No watch gathers dust in its box. Every week, the algorithm suggests what to wear based on your rotation and history.
- Activity tracked over time: Log your daily wears and enjoy a weekly history and an exclusive automatic monthly recap of your collection.
- Advanced statistics: Discover your global top watches, your rotation rate, your collector profile, and much more.
3. PRECISION & PERFORMANCE
Track accuracy, day by day, and ensure your mechanical watches are running perfectly:
- Chronometry measurements: Measure the daily deviation in seconds with manual logs, all charted.
- Timegrapher integration: Record amplitude, rate, and beat error for a complete diagnostic.
4. HEALTH & MAINTENANCE TRACKING
Keep your timepieces running flawlessly for generations:
- Service Book: Easily log the maintenance history, repairs, and costs for each watch.
- Maintenance Planning: Define service intervals and know exactly when your watches are due for their next scheduled overhaul.
Download Klokker today and rediscover your passion!
TL;DR: Klokker is the best watch-collection tracker I’ve used — logging which watch I wore each day finally shows me which pieces are gathering dust, so I actually rotate my whole collection instead of reaching for the same 2-3 watches. Highly recommend for any collector, big or small.Full review:I’ve got a growing collection — a mix of Citizen Eco-Drives, some novelty/licensed pieces, a couple of G-Shocks, and an Invicta or two — and before Klokker I had no real system for keeping track of it all beyond memory and vibes.What sold me on this app isn’t just the collection tracking (though that part is clean and easy to use) — it’s the wear-logging feature. Being able to log which watch I wore on which day means I can actually look back and see patterns: which watches I reach for constantly, and which ones have been sitting in the case untouched for weeks. It’s turned into a genuinely useful tool for “spreading the love” across my whole collection instead of defaulting to the same one or two favorites out of habit.It’s the kind of app that solves a problem I didn’t realize I had until I started using it. If you’re a watch collector — whether you’ve got 3 watches or 30 — this is worth downloading. Easy to use, does exactly what it says, and has made me a more intentional collector.
Developer Response
Thank you so much for this incredible and detailed review! Helping collectors enjoy their entire collection rather than defaulting to the same pieces is exactly why I built the wear-logging feature. Knowing it makes a real difference in your daily rotation is the best motivation. Thanks for your support and happy collecting!
Shockingly good
crimsonrearwater
Very well thought out.
Developer Response
Thank you very much!
Great app
dranjan98
Lovely app for watch enthusiasts
Developer Response
Thank you very much for your return. I'm glad the application suits you.
Thanks to all watch enthusiasts! Based on your feedback:
- "For Sale" watches: New home screen card, dedicated badge, bottom-list grouping & auto-exclusion from rotation stats
- Advanced Timegrapher: Detailed past measurements with watch orientation pictograms, amplitude & beat error per position, and H/V amplitude drop analysis
- New case material & bezel options
- Various tweaks & performance improvements
Thank you for your support (a rating or review helps tremendously!)
Version 3.12.0
The developer, Yoann Mergui, 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 Not Linked to You
The following data may be collected but it is not linked to your identity:
Contact Info
User Content
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
Yoann Mergui
Size
22.1 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.