Log workouts, track fasts & use AI to scan meals for calories & nutrients
10+ downloads
About HealthyFast: Calorie & Fasting
HealthyFast: Calorie & Fasting is a health & fitness app developed by NorthernDev.
Download Statistics
HealthyFast: Calorie & Fasting has been downloaded 30 times. In the last 30 days, the app was downloaded 19 times.
User Ratings
The app has no ratings yet.
App Information
HealthyFast: Calorie & Fasting is FREE to download. The APK download size is 22.92 MB. The latest version available is 2.0.0. The last update was on July 24, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play 4 weeks ago.
Description
Fasting, calorie and strength training — in one clean, ad-free app:
* Fasting timer with 7 science-backed zones * AI meal logging — describe or photograph for instant calories & macros * Guided strength training — Programs with form guides * Full Wear OS app — track fasts and log workouts from your wrist * Journal & Insights — history, trends and weight tracking * Health connect integration
THE FASTING TIMER IS FREE. FOREVER.
Start a fast with one tap and let the live ring guide you through 7 metabolic zones — from Fed State to Deep Renewal — each with practical, science-backed information. Track 16:8, 18:6, 20:4 and more, and get a notification the moment you enter a new zone or reach your goal. No ads, ever.
7 SCIENCE-BACKED FASTING ZONES
Fed State, Early Fast, Glycogen Burning, Metabolic Switch, Fat Burning, Autophagy and Deep Renewal The live ring shows exactly where your body is right now Tap any zone to read what's happening inside you and the science behind it Milestone notifications that arrive on time
CALORIE & MACRO LOGGING
Log a meal by describing it in plain words — "2 eggs, a slice of bread and coffee with milk" Or snap a photo of your plate — the same on-device AI reads it and fills in the description for you On-device AI estimates calories, protein, carbs and fat instantly 100% private: both text and photo are processed on your phone, so your food data never leaves the device — no account, no cloud See today's intake against your estimated daily burn at a glance A quick 6-question Energy Profile estimates the calories you burn each day
STRENGTH TRAINING
5 proven programs from beginner to advanced — full-body, upper/lower, push-pull-legs and a classic split Automatic weight progression and deloads handled for you Built-in form guides with illustrations and cues for every exercise Log full guided sessions, or quick-log any workout in seconds Sessions survive navigation — pause and resume anytime
WEAR OS APP
Track and control everything from your wrist — the watch app runs on its own:
Start, stop and adjust your fast and see your current zone at a glance Log a full strength workout — pick your program, workout and sets right on the watch Tile, watch face complications and an ongoing activity that keep your fast one tap away
JOURNAL & INSIGHTS
Monthly calendar with your complete history — free Daily summary: hours fasted and calories eaten at a glance Premium Insights: longest fast, averages, calorie and training trends by month, quarter or year Weight trend, nutrition patterns and estimated micronutrient coverage
PRIVATE BY DESIGN
Your data stays on your phone. The meal AI runs fully on-device. No account required.
Meal AI — both text and photo logging — needs a phone with on-device generative AI. Best supported:
Google Pixel 8, Pixel 9 and newer — Tensor chip with Android AICore Samsung Galaxy S25 and S26 series, Z Fold6 / Z Fold7, Z Flip6 / Z Flip7 — on-device Galaxy AI
On other devices you can still log meals in text, and the timer, zones, training and Wear OS features all work as normal.
MORE PREMIUM FEATURES
Health Connect — fasts, meals and workouts sync both ways with your other health apps Custom fasts up to 14 days and custom milestone alerts One affordable subscription unlocks everything
WHY HEALTHYFAST?
Free fasting timer with zero ads Private by design — your data stays on your phone Built for Android: Material You design, Wear OS and Health Connect Fasting, food and training in one app instead of three
Download HealthyFast and make your next fast — and your next workout — your best one.
Note: HealthyFast is a wellness and education tool and is not a substitute for professional medical advice. Talk to your doctor before starting any fasting or exercise routine, especially if you are pregnant, have a medical condition, or take medication.
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