Free tool
My Syn Tracker
Tap Add to today on any food page to build up your daily syns here. Saved on your device — no account, no app, no syncing. Resets at midnight.
Today
0 / 15 syns
Today's foods
No foods added yet today. Browse syn values and tap "Add to today" on any food.
How it works
- Private: Your tally lives on your device only — we never see it.
- No signup: Just tap Add and it counts. Closing the tab keeps your data.
- Resets daily: Each new day starts fresh at midnight.
- Set your allowance: Most Slimming World members use 5–15 syns/day. Default is 15.