Comparison

ZYNC vs AquaDrink

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ZYNC

Features
Read full description

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!

About

AquaDrink

Features
Read full description

AquaDrink — Your personal hydration companion. Track your daily water intake with a beautiful, easy-to-use interface. Set personalized goals based on your body weight, choose your glass size, and build healthy hydration habits. Features: • Personalized daily water goal based on your weight • Beautiful animated water wave progress tracker • Next drink countdown timer • Customizable glass size (preset or custom) • Daily hydration tips to keep you motivated • Streak tracking to build consistent habits • 7-day and 30-day history with bar charts • Smart reminders throughout the day • Light and dark mode support • Fully offline — no account needed, no sign-up Stay hydrated, stay healthy.

Screenshots

ZYNC4 screens
AquaDrink3 screens

Verdict

The call

The clearest difference is in-app purchases: AquaDrink at none against ZYNC's 1. AquaDrink also leads on ads (none vs shown) and iOS requirement (13.0 vs 18.6). On price and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. ZYNC sells 1 one-off in-app purchase. AquaDrink asks for nothing beyond the download.

Scorecard3 real differences Ā· 2 level
ZYNC versus AquaDrink: the parameters behind the verdict, then further details
ParameterZYNCAquaDrink
PriceFreeFree
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.613.0 — better
Further details — not scored
Size6 MB20 MB
Age rating4+4+
DeveloperStefan Bartl-TamesbergerHOWARD ANDREW

In-app purchases

1 purchases

ZYNC

One-time1
  • ZYNC Premium$8.99
None

AquaDrink

No in-app purchases

Questions

Is ZYNC free?
ZYNC is free to download, with in-app purchases available.
Is AquaDrink free?
AquaDrink is free to download, with no in-app purchases.
Do ZYNC or AquaDrink have ads?
ZYNC shows ads; AquaDrink does not.

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