Blade collection
Keep kitchen, EDC, and hunting knives in one place with steel type, sharpening angle, and how many days have passed since the last session.
Workshop bench
Track every blade, stone, angle, and pass — know when the edge is due for a check.
For anyone who sharpens on water stones at home — kitchen gyuto, santoku, EDC folder, or field knife.
Keep kitchen, EDC, and hunting knives in one place with steel type, sharpening angle, and how many days have passed since the last session.
Record each sharpening with date, stone progression from coarse to fine grit, angle held, passes per side, and a quick sharpness rating after the edge test.
Inventory your whetstones by grit and type, then review which progressions produced the best edges over time.
Effective date: August 12, 2026
Sharp Smile does not collect personal data. Knives, sharpening sessions, stone inventory, and reminders you create are stored locally on your device.
The app does not use analytics or advertising SDKs. Notification permissions, if you enable edge reminders, are handled by iOS on your device only.
We do not sell or share your information. If you delete the app, locally stored data is removed with it unless you have a device backup that includes app data.
Questions: leisgvekfs452@gmail.com
Sharp Smile helps you log sharpening on water stones and diamond plates — angles, grit progressions, and how long each edge has been in daily use.
For help with the app, feature questions, or privacy requests, contact us by email. We typically reply within a few business days.