Now on Google Play · Android

Fast your bad habits away.

Doomscrolling. Vaping. 2 a.m. snacks. Habifast puts them on a clock instead of a guilt trip — start a fast, stack a streak, and let the AI coach do the nagging.

Free plan, no card · Works offline · 9 languages
🔥
41
day streak
+12 points
72 HX
⭐ 1240
Tuesday, 28 July
68%
Today
You've got this! 💪
68% done — keep going!
🔥 41 day streak
Daily progress
68%
⭐ Points
1240
🔥 Streak — 41 days in a row
⏱ Active timers
+
65%
🍬 No sugar
10:24:18 left
Goal 16:00 h · ends 22:00
🌙 Fat burning phase
Pause
Finish
Up next today
💧
Drink water
2.4 l / 2.0 l · 120%
📱
No doomscrolling
⏱ 04:12
avoided today
👑
Unlock Habifast Pro
Unlimited tracking · 365-day analysis · AI coach

Willpower is a myth.
Deadlines aren't.

Nobody quits sugar because a checkbox asked nicely. You quit because there's a clock running, a streak on the line, and points waiting on the other side.

📱 Doomscrolling
🚬 Vaping
🍬 Sugar
🍺 Beer o'clock
🎮 One more round
🍕 2 a.m. snacks
☕ Fifth coffee
📱 Doomscrolling
🚬 Vaping
🍬 Sugar
🍺 Beer o'clock
🎮 One more round
🍕 2 a.m. snacks
☕ Fifth coffee
How it works

Three steps. No shame spiral.

01
Name the habit you're done with

Add it as a bad habit with an emoji, a schedule and a reminder. Good habits and counters work the same way.

02
Put it on a fasting clock

Pick a preset from 16:8 up to 72 hours, or set your own end time. The timer keeps running overnight — midnight doesn't reset you.

03
Get paid in streaks

Every hour held out pays points — even a partial fast counts. Miss a day and vacation mode or a streak shield keeps the fire alive.

The science bit

Every fast has phases. The app walks you through them.

As the clock runs, Habifast tells you what is happening in your head — and pushes a notification the moment you hit the next phase.

🚀
0 h
The decision

Choosing to pause a habit already fires up your prefrontal cortex — the part that runs self-control.

🧠
1 h
First cravings

Every impulse you ride out weakens the neural link behind the habit. That is habit reversal in action.

3 h
Dopamine reset

Sugar and social media flood your brain with dopamine. A few hours off and your sensitivity starts to normalise.

🎯
6 h
Clarity returns

Without constant stimulus the mental noise drops. This is where most people notice sharper focus.

🌿
9 h
A new routine sticks

Your brain wants a replacement. Now is the moment to anchor one — a walk instead of a scroll, water instead of a snack.

💪
12 h
Confidence grows

Halfway. You are proving to yourself that you run the habit, not the other way round.

🏆
16 h
Goal: rewired

Sixteen hours. Each successful pause weakens the automatic trigger a little more.

👑
24 h
Mastery

A full day clean. Every further cycle cements the new version of you.

Going longer than a day? It keeps going.

Multi-day fasts get their own milestones, one notification per day reached.

🧬
Day 2
Dopamine stabilises
🧘
Day 3
Mental fog lifts
🏆
Day 7
Triggers lose their bite
👑
Day 21
The new normal
Inside the app
A timer for everything you're quitting

Each bad habit gets a plan with a fixed end time, a dynamic start reminder and its own history. Reach the goal and it turns green — stop early and you still bank the hours.

A coach that already read your logs

Ask the AI coach why you always relapse at 22:00. It knows your streak, your fasts and your misses — so the answer isn't a generic pep talk.

Proof, not vibes

Week, month and — on Pro — a full 365-day analysis. Edit past days when life happened, and watch the calendar fill up.

Fasting & Resisting
🍬
No sugar
Day 41 · goal 16:00 h
⏱ 10:24
Today 65%
Start reminder
Auto-start fast
Show timer
Edit
🚬
No nicotine
Day 12 · goal 24:00 h
✓ done
📱
No doomscrolling
No plan yet
Set up a plan
AI Coach
Hey! You're on a 41-day streak 🔥 What do you want to work on?
I always cave for sugar around 22:00.
Your 22:00 pattern

In the last 30 days you broke the sugar fast 7 times — 6 of them between 21:40 and 22:30, always on days with no evening habit checked off.

  • Move your fast's end time to 21:30 so the win lands before the craving.
  • Put “Drink water” at 21:15 — on days you did, you held out.

Want me to set the reminder?

Yes please.
Ask your coach…
Your Progress
7 days
30 days
365 🔒
This week
5 / 7 clean days
Mo
Tu
We
Th
Fr
Sa
Su
🍬 No sugar
88%
📱 No doomscrolling
62%
💧 Drink water
96%
👑
365-day analysis
See a full year of every habit — with Pro
Features

Everything you need to break a habit — and nothing else.

🚫
Bad-habit fasting

Presets from 16:8 to 72 h, custom durations, fixed end times and partial points for partial wins.

Good habits & counters

Daily goals with real units — litres, pages, reps — plus per-weekday schedules and “up next today”.

🧠
AI coach

Chat with a coach that has your streak, fasts and misses in front of it. Straight answers, no horoscope.

🔥
Streaks, shields & vacation mode

Your streak counts on any real use of the app. Going away? Vacation mode protects it. Bad day? Spend a shield.

Home-screen widgets

Fast timer, active timer and a daily overview widget — check in without opening the app.

🛡️
App Guard

Block the apps that set you off while a fast is running. The block screen tells you how long you've got left.

Screens

The whole app, no surprises

Five tabs, one bottom bar, everything two taps away. Light and dark theme, both shipping.

☀️ Light
🌙 Dark
⭐ 1240
Habits
🚫 Bad habits
+
🍬
No sugar
⏱ 10:24
88% this week
📱
No doomscrolling
62% this week
🚬
No nicotine
✓ done
✅ Good habits
+
💧
Drink water
2.4 l / 2.0 l · 120%
📖
Read
12 / 20 pages · Mo–Fr
🏃
Move
30 min · Mo We Fr
Habits

Bad habits, good habits and counters — each with its own schedule.

Calendar
July 2026
Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
No data Goal met Still open
19
Goal met
5
Open
12
Best run
Week schedule
Mo
Tu
We
Th
Fr
Sa
Su
Calendar

A month at a glance with the week schedule underneath. Tap any day to fix your history.

⭐ 1240
Shop
Your balance
1240 ⭐
+72 HX earned today
🛡️
Streak shield
Protects one missed day
⭐ 250
🏖️
Vacation mode
7 days, streak frozen
⭐ 400
🔁
Second chance
Restore a lapsed fast
⭐ 150
How to earn
✓ Habit done — up to 20 ⭐
⏱ Every hour fasted — 5 ⭐
🔥 Streak milestone — 100 ⭐
Shop

Spend points on streak shields, vacation mode and second chances.

⭐ 1240
Profile
M
Marc
Member since March 2026
🔥 Streak
41
⭐ Points
1240
🛡️ Shields
2
👑
Habifast Pro
Unlimited habits · AI coach · App Guard
🔔 Reminders
🏖️ Vacation mode
🌙 Dark theme
🌍 Language English ›
Profile

Streak, points, shields, reminders, theme and language in one place.

Gamification

Numbers you'll actually chase

Every clean hour, every checked habit and every finished fast pays out. Spend what you earn on streak shields in the shop — or just watch the HX index climb.

Points
Earned per habit, per hour fasted — partial credit included.
HX index
One number for how your day is actually going.
🔥
Streak shields
Buy protection before you need it. One bad day shouldn't cost 41.
Languages

Quit in nine languages

Habifast follows your phone's language automatically — every screen, every notification, every coach reply. Switch it by hand any time in Profile.

🇩🇪
German
Deutsch
🇬🇧
English
English
🇪🇸
Spanish
Español
🇫🇷
French
Français
🇵🇹
Portuguese
Português
🇮🇹
Italian
Italiano
🇹🇼
Chinese
繁體中文
🇯🇵
Japanese
日本語
🇰🇷
Korean
한국어
🌍
More on request
Reminders

Nagging, but only when it counts

Habifast does not spam you at 9 a.m. with a list. It pings when a fast is about to start, when you cross a phase, and when a streak is on the line — and stays quiet the rest of the day.

Dynamic start reminder
Your sugar fast starts in 15 min.
Phase reached
3 h in — dopamine reset has started.
🔥
Streak at risk
41 days. One check-in keeps it alive.
🛡️
App Guard blocked something
Nice try. 10:24 left on this fast.
Free vs Pro

Start free. Upgrade when the free plan starts annoying you.

Free
👑 Pro
Habits tracked
5
Unlimited
Active fasting timers
1
Unlimited
Streaks, points & shop
History
30 days
365-day analysis
AI coach
1 question a day
App Guard
1 app
Home-screen widgets

Pro pricing is shown in the app. No account needed to start.

FAQ

Questions before you quit something

What does “fasting” mean here? +

Not just food. A fast is any window in which you avoid something — sugar, nicotine, social media, alcohol, gaming. You set the duration and the end time; Habifast runs the clock and pays out points for the hours you hold.

Is Habifast free? +

Yes. The free plan covers 5 habits, one active timer, 30 days of history, one AI coach question a day and App Guard for one app. Pro lifts every limit: unlimited habits and timers, the 365-day analysis, the unlimited AI coach, multiple fasting plans and App Guard for every app.

Where does my data live? +

Your habits, timers and points are stored locally on your device. Only what you send to the AI coach leaves your phone, through our own proxy. Details are in the privacy policy.

Is there an iPhone version? +

Android first — Habifast is on Google Play today. iOS is on the roadmap; the app itself is already built as a web app, so the port is next in line.

Which languages? +

Nine: German, English, Spanish, French, Portuguese, Italian, Chinese, Japanese and Korean. The app follows your phone's language automatically, and you can override it in Profile.

Your next fast starts now.

Free on Google Play. First streak in one tap.

Get it on Google Play