ZYNC vs ChronoFood
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZYNC
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Master Your Metabolism with ZYNC. Stop counting calories and avoid the yo-yo effect. ZYNC is more than just a timer – it is your personal companion for healthy intermittent fasting, hydration, and body awareness. WHY ZYNC? Most fasting apps are complicated or boring. ZYNC combines sleek, modern design with scientifically proven methods. We don't just show you that you are fasting, but what is happening inside your body right now. FEATURES: Smart Fasting Tracker Choose from different modes, whether beginner or pro: • 13h (Circadian Rhythm) • 16:8 (The Classic) • 18:6 (Pro) • 20:4 (Warrior Mode) Live Bio-Rhythm Understand your body. ZYNC shows you live which phase you are currently in: • Blood Sugar Rise • Insulin Drop • Fat Burning • Autophagy (Cell Cleaning) Hydration Matrix Forget boring lists. Fill your daily "Hydration Matrix" and gamify your water intake. Simply tap the cells to add a glass. Body & BMI Track your weight and monitor your BMI with visual progress bars. Gamification Keep your "Flame Streak" alive! Every successful fast extends your streak. ZYNC+ (PREMIUM) The app is free to use. With ZYNC+ you get: • Ad-free experience • Unlimited History & Statistics • Support for an Indie Developer Start your journey to a healthier you today. Download ZYNC now!
ChronoFood
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Food is not just energy, it's temporal information. It's not just about what you eat, but when you do it. Chrono Food is a system designed to synchronize your eating windows with your natural circadian clock, helping you find your rhythm. FASTING MEETS THE CIRCADIAN RHYTHM Forget rigid time windows. Chrono Food helps you find your personal rhythm, aligning the moments you nourish yourself with your body's energy curve. ABSOLUTE PRIVACY AND OFFLINE Your biological rhythm is strictly personal data. - No registration required. - No cloud servers analyzing your data. - No ads or tracking. All your habits remain securely on your device. FREE AND USER-SUPPORTED Chrono Food offers its core features completely free and without ads. If you believe in this independent project, you can support its development through a symbolic Premium subscription, which unlocks advanced options to thank you for your support. MEDICAL DISCLAIMER This app is a tool designed exclusively for general wellness. It is not a medical device and does not replace professional medical diagnoses, treatments, or advice. Always consult a specialist before changing your eating habits Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: ChronoFood at none against ZYNC's shown. ChronoFood also leads on iOS requirement (15.0 vs 18.6). On price, 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. ZYNC sells 1 one-off in-app purchase and ChronoFood sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | ZYNC | ChronoFood |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Daily |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 30 MB |
| Age rating | 4+ | 17+ |
| Developer | Stefan Bartl-Tamesberger | George Muraviev |
In-app purchases
ZYNC
- ZYNC Premium$8.99
ChronoFood
- ChronoFood Premium$1.991 Month









