Comparison

Fasti vs Intermittent Fasting Flow

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

Intermittent Fasting Flow

Track your fasting periods with a clean, ad-free timer. Choose from various fasting plans and monitor your progress with live widgets. Sync data with Apple Health and use Siri shortcuts for hands-free control.

Highlights
  • Ad-free fasting timer
  • Lock screen and home screen widgets
  • Multiple fasting plan durations
  • Customizable start times
  • Streak tracking and milestone badges
  • Apple Health integration
  • Siri shortcuts
Features
Read full description

Ad-Free. Always. Intermittent Fasting Flow is a clean, distraction-free fasting tracker built for people serious about their health. Choose your fasting plan, track your hydration, and learn the science behind every fast — all in one beautiful app. FASTING TIMER Choose from 12, 14, 16, 18, or 20-hour plans. Live progress ring, streak tracking, and milestone badges keep you motivated every step of the way. HYDRATION TRACKING Stay hydrated during your fast. Set a daily water goal and log intake with one tap — small cup, glass, bottle, or custom amount. LEARN Curated articles from trusted sources on intermittent fasting science, tips, and protocols. Know what's happening in your body while you fast. WIDGETS & LIVE PROGRESS Lock screen and home screen widgets keep your fasting and hydration status visible all day — without opening the app. APPLE HEALTH & SIRI Sync fasting sessions to Apple Health as mindful minutes. Use Siri shortcuts to start or end a fast hands-free. COMPLETELY AD-FREE No ads. No popups. No distractions. The 16:8 plan is free, forever. Unlock all plans and Pro features with a subscription.

Screenshots

Fasti4 screens
Intermittent Fasting Flow4 screens

Verdict

The call

The clearest difference is update cadence: Fasti at daily against Intermittent Fasting Flow's every 4 days. On price, rating, review sentiment and ratings volume there is nothing between them.

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 Intermittent Fasting Flow sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Fasti against 5.0 for Intermittent Fasting Flow. Both are backed by a comparable volume of ratings — 15 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Fasti ships an update daily, Intermittent Fasting Flow every 4 days. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 9 level
Fasti versus Intermittent Fasting Flow: the parameters behind the verdict, then further details
ParameterFastiIntermittent Fasting Flow
PriceFreeFree
Rating4.9 (15 ratings)5.0 (7 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings15 — better7
Update frequencyDaily — betterEvery 4 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS17.617.6
Further details — not scored
Size23 MB6 MB
Age rating4+4+
DeveloperStellar Apps, Limited Liability CompanyIVAYLO PLAMENOV VACHKOV

Customer experience

Fasti

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Intermittent Fasting Flow

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Fasti

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

Intermittent Fasting Flow

Subscriptions2
  • Monthly7 Days trial$1.991 Month
  • Yearly7 Days trial$19.991 Year

Questions

Is Fasti free?
Fasti is free to download, with in-app purchases available.
Is Intermittent Fasting Flow free?
Intermittent Fasting Flow is free to download, with in-app purchases available.
Which has better reviews, Fasti or Intermittent Fasting Flow?
Intermittent Fasting Flow is rated higher. Fasti averages 4.9 out of 5 from 15 ratings, while Intermittent Fasting Flow averages 5.0 from 7 ratings.
Do Fasti or Intermittent Fasting Flow have ads?
Neither Fasti nor Intermittent Fasting Flow shows ads.
Which is updated more often, Fasti or Intermittent Fasting Flow?
Fasti ships an update daily, and Intermittent Fasting Flow every 4 days. Most recently, Fasti was updated on October 2, 2026 and Intermittent Fasting Flow on October 8, 2026.

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