Fitness vs HydraFill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fitness
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Fitness7 Gym leads the fitness industry when it comes to helping people reach their fitness goals. We have Cross-fit courses, a full weight room, multiple cardio areas, personal training, group classes, and more!
HydraFill
Visualize your daily water intake with an animated body silhouette that fills up with each logged drink. Track various beverages, set personalized goals, and receive custom reminders to stay hydrated. Share your progress with engaging visualizations.
- Animated body visualization of hydration
- Log 18+ drink types with custom icons
- Set personalized daily hydration goals
- Customizable drink reminders
- Build daily streaks and earn badges
- Sync with Apple Health
- Track caffeine intake
- Home screen widget for quick logging
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HydraFill—Hydration Tracker App See Your Hydration Come to Life Most hydration tracker apps show you a number. HydraFill shows you your body. Watch every drink fill your body silhouette with animated liquid in real-time. Water bubbles from your feet, tea layers across your waist, and coffee settles at your chest. Your hydration has never looked like this before. WHAT YOU CAN DO • Log drinks - Track water, coffee, tea, juice and 15+ drink types • Watch body fill - Animated liquid fills your silhouette in real-time • Set daily goals - Hydration targets based on your preferences • Get reminders - Custom drink reminders keep you hydrated • Build streaks • Share on Instagram - Export body visualization as interactive stories • Sync Apple Health - Your data syncs to your health records • Track caffeine - Monitor daily intake and health guidelines KEY FEATURES Smart Daily Goals Set personal hydration targets. See progress with percentage displays and remaining amounts. Body Visualization Colored liquid layers rise as you log drinks. Each drink has its own color and texture with realistic wave animations. Hydration Tracker Log 18+ drink types with custom icons and colors. Color-coded layers show exactly what you drank and when. Build Daily Streaks Daily streak tracking builds healthy habits. Earn badges and personal best records. Caffeine Tracker Track daily caffeine intake from coffee, tea, and energy drinks. Visual indicator shows your status. Learn more in Help & Support. Drink Reminders (Pro) Custom notifications remind you to drink throughout the day. Home Screen Widget Log +250ml water from your home screen. See daily progress at a glance. Apple HealthKit Integration Your hydration data syncs automatically to Apple Health. One source of truth for your wellness. Share Your Story Export body visualization as an Instagram Story sticker or animated video. Detailed Insights Daily, weekly, and monthly breakdowns show your hydration patterns and progress. HEALTH INFORMATION This app provides general wellness information. For detailed health guidelines and sources, visit: → Profile > Help & Support in the app → https://hydrafill.fit Hydration and caffeine information is based on general wellness guidelines. Always consult with a healthcare professional for personalized medical advice. Pro ($1.99/month): All 18+ drinks unlocked forever Zero ads — ever Full insights & analytics Custom drink reminders Priority support WHY HYDRAFILL? HydraFill is more than a hydration tracker—it's a visual wellness companion. Every drink you log creates satisfaction. Watching your body fill up makes health tracking engaging and fun. Whether you're building a healthier routine or optimizing hydration for fitness—HydraFill makes wellness visible and enjoyable. PRIVACY & SECURITY Your data is yours. Industry-standard encryption. No tracking, no selling data to third parties. Built by a developer passionate about health, design, and beautiful user experiences. Download HydraFill—the best hydration tracker for Apple devices. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Fitness at none against HydraFill's shown. HydraFill's advantage is update cadence (every 2 days vs every 37 months). On price, in-app purchases, device support and iOS requirement 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.
Fitness ships an update every 37 months, HydraFill every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Fitness | HydraFill |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 37 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | Instance IT Solutions | Parthkumar Saliya |
In-app purchases
Fitness
No in-app purchases
HydraFill
No in-app purchases









