FastLine

FastLine is a clean, no-nonsense intermittent fasting tracker. No diets, no calorie counting, no sign-up — just pick a schedule, tap start, and watch every hour count.

Built for people who want the results of intermittent fasting without the clutter. A single tap starts your fast, a big circular timer keeps you focused, and a growing streak keeps you coming back.

WHY FASTLINE
- One-tap timer — start and end your fast instantly, no setup screens.
- A focused dark interface designed to be glanced at, not fiddled with.
- Your data stays on your device and survives restarts. No account required.

FASTING MODES
- 12:12 — a gentle daily rhythm to ease in.
- 14:10 — a small step up from the basics.
- 16:8 — the most popular protocol for beginners.
- 18:6 — for those with some experience.
- 20:4 — an advanced, warrior-style window.
- Custom — set your own exact fasting length.

THE TIMER
- Live elapsed time and time remaining until your eating window.
- Clear progress percentage on a large circular ring.
- Metabolic stages so you always know what's happening — from fat burning to ketosis to autophagy.

PROGRESS THAT MOTIVATES
- Daily streaks and your all-time best.
- A 5-week activity calendar of every day you fasted.
- Total fasts, total hours and your goal success rate.
- Achievements that unlock as your habit grows.

WEIGHT JOURNAL
- Log weigh-ins in seconds.
- See your trend on a clean chart and your change since day one.
- Full history at a glance.

REMINDERS
- Get nudged when your fast starts, 30 minutes before it ends, and the moment it completes.
- Optional streak reminders to keep the momentum going.
- Turn any reminder on or off — you're in control.

FastLine keeps intermittent fasting simple, visual and consistent. Download it, start your first fast, and build a streak worth keeping