01 — Dashboard
Know your portfolio
at a glance.
Total value, watch count, and average cost — live figures that refresh the moment you add a piece to your collection.
For Watch Collectors
Your watch collection,
perfectly
tracked.
Track value, manage flips, and grow your watch portfolio — all in one elegant iOS app.
Know your portfolio
02 — Collection
Every piece,
beautifully shown.
Browse your watches with rich photography and smart filters. Collection, wishlist, and sold — organised exactly the way you think.
03 — Flips
Track profit
on every flip.
Log the full lifecycle — acquired, listed, sold. Watch your ROI and total margins compound deal by deal.
04 — Daily Picker
What to wear today?
Shake to let Mainplate pick a watch from your collection. A small moment of surprise every morning — because every piece deserves its day on the wrist.
Also beautiful on iPad. Mainplate adapts to the larger canvas with a full split-view — ideal for exploring your collection at the desk.
Built for the serious watch enthusiast.
Your data, your device
All your watch data is stored privately on your iPhone and synced via iCloud. No accounts, no servers, no third parties — just you and your collection.
Designed for iOS 17
Mainplate is built natively for iPhone and iPad using the latest iOS technologies. Fast, fluid, and at home alongside your best watches — no compromises.
More than a catalogue
Whether you collect for passion or profit, Mainplate gives you the tools to track total portfolio value, monitor flip margins, and keep a complete service history for every piece.
Simple, honest pricing.
Start free. Upgrade when your collection grows.
Collector
€1.99
/mo
or €19.99 / year
- Unlimited collection
- Up to 5 active flips
- All features
Most popular
Pro
€4.99
/mo
or €39.99 / year
- Unlimited everything
- Service history log
- Advanced analytics
Lifetime
€99.99One-time payment
- Everything in Pro
- No recurring fees
- All future updates
Start building your
collection today.
Free to download. No account required.
Your watches, your data — always with you.
Download on the
App Store
Requires iOS 17.0 or later · iPhone & iPad