VOID vs Fasting Track
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VOID
This AI-powered coach visualizes your fasting progress, from blood sugar depletion to fat burning. Log meals instantly with photo recognition or voice commands, and receive personalized nutrition and exercise advice. Gamified motivation and smart hydration tracking help build healthy habits.
- AI-powered nutrition coaching
- Visualized fasting progress
- AI meal logging via photo/voice
- Deep Apple Watch integration
- Personalized nutrition advice
- Gamified motivation and rewards
- Smart hydration tracking
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VOID isn't just another fasting app — it's your AI-powered nutrition coach. [Science-Based Fasting, Visualized] Track your fasting progress in real time — from blood sugar depletion to fat burning and cellular autophagy. Every metabolic stage is clearly displayed with dynamic breathing glow animations that let you feel your body's rhythm. [AI Photo Recognition — Log Meals in 3 Seconds] Snap a photo and AI instantly identifies food types, estimates calories, protein, carbs, and fat. Don't want to take a photo? Just say "a bowl of rice and a fried egg" — AI understands instantly. [Deep Apple Watch Integration] Everything on your wrist — fasting countdown, today's calorie rings, voice meal logging, and one-tap water tracking. 4 watch face complications keep your fasting status visible at a glance. [6 Stunning Home Screen Widgets] From cyber-punk to fresh nature, from macaron-cute to Apple Vision spatial style — there's always one to brighten your home screen. [AI Personal Coach] Based on your fasting history, diet records, and weight trends, your AI coach delivers personalized nutrition advice and exercise guidance daily — not templates, but plans truly made for you. [Gamified Motivation] Build streaks, earn "Cell Coins," and unlock achievement badges. Discipline doesn't have to be boring — every day of consistency is celebrated. [Smart Hydration Tracking] Set daily goals, log water with one tap, and watch your progress ring fill up. Staying hydrated becomes a habit. [Privacy First] All data stays on your device. We never upload, analyze, or sell your health data. Your body data belongs to you, and only you.
Fasting Track
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Fasting Track is an intermittent fasting tracker and fasting timer that keeps fasting simple: pick a plan, start the timer and see your progress. No account and no sign-up: your fasting data stays on your phone. Whether you are new to intermittent fasting with 16:8, eating one meal a day (OMAD), following the 5:2 diet or trying a longer fast, Fasting Track gives you a live fasting timer, a schedule that fits your day and an honest log of how it is going. 17 built-in fasting plans The popular intermittent fasting methods and more, including 16:8, 12:12, 20:4 (Warrior Diet), OMAD, 5:2, Alternate-Day Fasting, Eat-Stop-Eat, the 36-hour Monk Fast, Extended Fasting (48–72 hours), Dry Fasting, Ekadashi, Circadian Rhythm Fasting, Daniel Fast, Fat Fasting, Juice Fasting and Bone Broth Fasting. Each plan explains its benefits, difficulty and beginner tips, with links to the research behind it. Prefer 14:10 or 18:6? Create your own fasting plan in seconds. Live fasting timer Start a fast with one tap. A countdown and progress ring show how long you have fasted and how long until your eating window opens. Pause and resume when life gets in the way. The body-phase card shows where you are in your fast (Fed State, Glucose Burn, Glycogen Depletion, Ketosis, Autophagy and Deep Repair) with a source for each phase. Weekly fasting schedule Your fasting and eating windows on a color-coded weekly calendar. For 5:2 and similar plans, pick your own fasting days. Tap any day to see its times or adjust them. Daily log and weight tracking Mark each day completed, partial or missed, and add mood, energy, weight, water, calories and notes. Find food ideas for breaking your fast gently. Missed a few days? Backfill them. Search your full history anytime. Stats that keep you going Current and longest streak, completion rate, average fast length, total hours fasted, a weight trend chart, an activity heatmap and a weekly bar chart, for the last 7, 30 or 90 days or all time. Set goals such as 30 days of 16:8 and watch them fill up. Many people use intermittent fasting for weight loss, and the weight chart shows your real trend. Private by design No account and no cloud sync. Your fasts, logs and weight stay on your phone. Back up to a file and restore it on a new phone, or export your history as CSV. Light and dark themes, and 24 app languages you can switch in Settings. Medical Disclaimer Fasting Track is for general informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. The fasting plans, tips, and health information in this app are not personalized medical recommendations. Always consult your physician or a qualified healthcare provider before starting any fast, changing your diet, or making decisions related to your health — especially if you are pregnant, breastfeeding, under 18, elderly, underweight, diabetic, taking medication, or have any medical condition or eating disorder. Stop fasting and seek medical attention if you feel unwell. Citations to the scientific sources referenced in the app are provided in Settings → About.
Screenshots
Verdict
The clearest difference is update cadence: Fasting Track at every 5 days against VOID's every 3 weeks. Fasting Track also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
VOID ships an update every 3 weeks, Fasting Track every 5 days. The most recent releases landed on October 4, 2026 and October 28, 2026 respectively.
| Parameter | VOID | Fasting Track |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 52 MB |
| Age rating | 17+ | 4+ |
| Developer | 河南雀科信息科技有限公司 | Gunawan Santoso |
In-app purchases
VOID
No in-app purchases
Fasting Track
No in-app purchases








