Comparison

Fasti vs Fasten

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fasti

This app offers a simple and beautiful intermittent fasting timer with AI coaching to help users stay motivated and informed. It tracks fasts, indicates fat burn periods, and provides progress visualization and educational guidance.

Highlights
  • Fasting timer with start, pause, and complete functions
  • Maximum Fat Burn Indicator
  • Customizable motivational posters
  • Weekly and calendar progress views
  • AI-powered fasting guidance
  • Clean and simple user interface
Features
Read full description

Fasti: Fasting Tracker & Timer Your simple, beautiful fasting timer with AI coaching to help you stay consistent, motivated, and informed. Whether you’re new to intermittent fasting or building a long-term routine, Fasti makes fasting easy to understand and effortless to follow. Track your fast with confidence Use Fasti’s fasting timer tracker to start, pause, and complete fasts with ease. A clean, distraction-free design helps you focus on your goal without complexity. Know when fat burn begins Fasti includes a Maximum Fat Burn Indicator to help you understand when your body reaches peak ketosis. Learn how your fasting window aligns with fat burning and metabolic benefits without guesswork. Stay motivated every day Build consistency with a custom motivational poster that combines uplifting visuals and encouraging text. Designed to keep you inspired during long fasts and busy days. See your progress over time Track your journey with weekly and calendar-based progress views. Visualize completed fasts, streaks, and trends so you can stay accountable and motivated. Learn with your personal AI fasting coach Have questions about fasting? Fasti’s AI fasting coach helps you learn more about intermittent fasting schedules, fat burning, ketosis, and best practices. Designed to be simple and beautiful Fasti is built with a clean, modern UI that’s easy to use and calming to look at. No clutter. No overwhelm. Just a fasting companion that fits into your day. Why users choose Fasti • Easy-to-use fasting timer • Fat burn and ketosis insights • Daily motivation and encouragement • Weekly and calendar progress tracking • AI-powered fasting guidance Start your fasting journey today Download Fasti: Fasting Timer and take the guesswork out of intermittent fasting with clarity, motivation, and support. Fasti: Fasting Tracker & Timer includes a free version and an optional subscription for premium features. A free trial is available. Download Fasti: Fasting Tracker & Timer to get started. Payment for Fasti+ will be charged to your iTunes Account when you subscribe. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period Manage your subscription by going to your Account Settings. Read more terms & conditions: Terms of use: https://www.stierapps.com/fasti_terms Privacy policy: https://www.stierapps.com/fasti_privacy_policy

About

Fasten

Features
Read full description

Fasten is your all-in-one intermittent fasting timer and daily habit tracker designed to help you build a healthier lifestyle with ease and clarity. TRACK YOUR FASTS Choose from science-backed fasting plans including 16:8, 18:6, 20:4, OMAD (One Meal a Day), 5:2, or create a custom fasting window up to 48 hours. The beautiful circular timer shows your elapsed time, remaining time, and progress at a glance. Start, complete, or end your fast with a single tap. BUILD BETTER HABITS Stay consistent with five daily habit trackers: Water intake, Steps, Stretching, Meditation, and Sleep. Log your progress with simple plus/minus controls, visualize weekly trends, and build streaks that keep you motivated. INSIGHTS THAT MOTIVATE The Insights tab gives you a clear overview of your fasting hours, average fast length, current streak, completed fasts, and weekly habit progress charts. PREMIUM FEATURES Upgrade to Fasten Premium to unlock custom fasting plans, detailed analytics, unlimited history, data export, and future Home Screen widgets. Subscriptions include a 7-day free trial and can be cancelled anytime. HEALTH & SAFETY Fasten is a wellness tool. It is not a medical device and does not provide medical advice. Consult a healthcare professional before beginning any fasting or exercise program, especially if you are pregnant, breastfeeding, under 18, have diabetes, an eating disorder, or any other medical condition. LEGAL By using Fasten, you agree to Apple's Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://fastentimer-privacy.surge.sh Support: https://gratis-5534477.webadorsite.com

Screenshots

Fasti4 screens
Fasten4 screens

Verdict

The call

Fasti and Fasten are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fasti sells 2 in-app purchases, starting at $9.99 per month and Fasten sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Fasti versus Fasten: the parameters behind the verdict, then further details
ParameterFastiFasten
PriceFreeFree
Rating4.9 (15 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings15 — better—
Update frequencyDaily—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone
Requires iOS17.617.0 — better
Further details — not scored
Size23 MB1 MB
Age rating4+12+
DeveloperStellar Apps, Limited Liability Companylionel emmerich

In-app purchases

2 purchases

Fasti

Subscriptions2
  • Fasti+ Monthly$9.991 Month
  • Fasti+ Annual$69.991 Year
2 purchases

Fasten

Subscriptions2
  • Fasten Premium (Monthly)7 Days trial$9.991 Month
  • Fasten Premium (Yearly)7 Days trial$59.991 Year

Questions

Is Fasti free?
Fasti is free to download, with in-app purchases available.
Is Fasten free?
Fasten is free to download, with in-app purchases available.
Do Fasti or Fasten have ads?
Neither Fasti nor Fasten shows ads.

Other comparisons