Fastiya : Fasting Timer+Macro

Fastiya : Fasting Timer+Macro

AI Coach, Macros & Sleep Sync

1 ratings
1 review
Free
In-App Purchases

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Features

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About

Track your body's metabolic changes hour by hour during fasting. An AI coach provides personalized insights based on your data, helping you build consistent habits and monitor key health metrics.

Hour-by-hour body change tracking
AI fasting coach
Multiple fasting protocols
Advanced health metric tracking
Wearable device synchronization
Habit building tools
Daily journaling and insights
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What's New in Fastiya

1.2.1

July 23, 2026

See your future self before you get there. • Body Composition Journey — Preview how leaner you could look as body fat drops, with a realistic figure that updates as your goal changes • Smarter goals — Set targets down to ~8% body fat (men) / ~14% (women) and scrub the preview along the way • Body measurements — Log arm, waist, and thigh on a clear figure map, in cm or in • Nutrition & macros — Today's food overview with calories, protein, carbs, and fat, plus smarter meal feedback • Apple Health sync — Pulls body fat % and lean mass straight from your smart scale • Full Report — Richer insights across weight trends, sleep, meals, and journal highlights, with clearer next steps • Fasting insights — Averages now labeled "Avg on fasting days" so rest days don't skew your numbers • Quiet hours — Overnight alerts pause automatically so "usual stopping point" nudges don't wake you • Profile photo — A clearer accent ring keeps dark photos easy to see Bug fixes and polish throughout.

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Subscription plans

Monthly Premium

Unlock all Fastiya premium features AI coach

$9.991 Month
7 Days trial
How to cancel Fastiya subscription ⁉️

User reviews

Just fabulous

I’ve really been enjoying this app! It’s incredibly convenient to start and stop my fasts, and one of my favorite features is the breakdown of what’s happening in my body during each stage of fasting. I also love that my weight seems to sync automatically, so I don’t have to enter it manually.

A couple of suggestions that would make the app even better:

* It would be helpful to have the ability to edit the end time of a fast. Sometimes I forget to tap “End Fast” right when I start eating. For example, if I begin eating at 5:00 PM but don’t press the button until later, the app records the time I tapped the button instead of when I actually ended my fast.
* Finally, it would be great if the app included links to scientific articles or other reputable resources that explain the research behind the fasting benefits mentioned throughout the app. Having easy access to the evidence would make those insights even more valuable.

Overall, it’s a great app with a clean, user-friendly experience. These additions would make it even more useful.
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Developer apps

FAQ

What health metrics does Fastiya track?

Fastiya tracks key health metrics such as bio-age, HRV, VO₂ Max, resting heart rate, body composition, and metabolic states. This allows users to see how their fasting journey impacts their biology over time.

Can I sync my wearable devices with Fastiya?

Yes, Fastiya supports synchronization with popular wearable devices like Fitbit, Oura Ring, and WHOOP, as well as Apple Health. This provides a comprehensive view of your health data within the app.

What fasting protocols are available in Fastiya?

Fastiya offers a range of fasting protocols suitable for all levels, from beginner options like 12:12 to more advanced methods such as OMAD (One Meal A Day) and Eat Stop Eat. Users can choose the protocol that best fits their lifestyle and experience.

Does Fastiya offer personalized coaching?

Yes, Fastiya features an AI fasting coach named Oro, who provides personalized answers and guidance based on your fasting history, sleep, mood, food logs, and wearable data. This ensures advice is tailored specifically to you.

How does Fastiya help build consistent habits?

Fastiya incorporates features like streaks, achievements, and smart nudges to encourage consistency in fasting. Users can earn badges as they progress on their fasting journey, motivating them to stick with their habits.

What is the free trial period for Fastiya Premium?

Fastiya offers a 3-day free trial for its Premium subscription. There is no commitment required, and users can cancel anytime during the trial period.

What are the subscription costs for Fastiya Premium?

Fastiya Premium is available through two subscription plans: Monthly Premium at $9.99 per month and Annual Premium at $79.99 per year. Both plans include a 7-day free trial.

What is the age rating for Fastiya?

Fastiya has an age rating of 17+. This is likely due to the advanced health metrics and scientific information presented within the app.