Klokker - Watch Collection

IMPORTANT NOTICE — SERVICE DISCONTINUATION ON DECEMBER 31, 2026 Klokker will be permanently removed from the App Store on December 31, 2026. Your account and collection data will not be deleted and remain securely stored on our servers. You can also export your data directly from the in-app settings prior to this date. 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. Klokker is available in French, English, Spanish, German, Italian, and Simplified Chinese! 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!