Comparison

Water tracker vs HydraFill

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

Head to head
About

Water tracker

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Nero – Water Tracker & Hydration Reminder helps you build healthy hydration habits, stay energized, and feel better every day. Designed with simplicity and privacy in mind, Nero is a clean, powerful water tracker that makes drinking enough water effortless — without accounts, ads, or cloud storage. Your data stays only on your device. Why Nero – Water Tracker? * Build better hydration habits without pressure * Track your daily water intake with clear stats & charts * Stay consistent with gentle drink water reminders * 100% private — no login, no cloud, no tracking Whether your goal is to drink more water, improve focus, or support overall wellness, Nero helps you stay hydrated throughout the day. Free Water Tracker Features * One-tap water logging (default 250 ml) * Long-press for custom water amounts * Daily, weekly & monthly hydration tracking * Personalized daily, weekly & monthly water goals * 30-day hydration chart overview * Smart, friendly water reminders * Clean, minimal interface * Customizable home dashboard * Phone home screen widgets to quickly add water and check your stats Nero Premium – Advanced Hydration Tools Upgrade to Nero Premium for full control of your hydration data: * Export hydration history (PDF, CSV, JSON) * Import hydration data (JSON) * Unlimited hydration history * Create multiple profiles * Track additional drink types *Customize your reminder times to better fit your routine * Future Benefits Guarantee
All new premium features are included at no extra cost if you’re already a Premium user Built for Daily Hydration Drinking enough water supports: * Energy & focus * Physical performance * Overall health & well-being Nero makes hydration tracking simple, distraction-free, and sustainable — so healthy habits last. Privacy First * No account required * No cloud storage * Your hydration data stays on your device Privacy Policy: nerowatertracker.web.app
 Terms of Use (EULA): Apple Standard EULA
 Additional Terms: nerowatertracker.web.app/#terms

About

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.

Highlights
  • 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
Features
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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

Water tracker3 screens
HydraFill4 screens

Verdict

The call

The clearest difference is in-app purchases: HydraFill at none against Water tracker's 3. HydraFill also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (15.0 vs 17.0). Water tracker's advantage is ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Water tracker sells 3 in-app purchases, starting at $1.99 per month. HydraFill asks for nothing beyond the download.

UpkeepUpdate frequency

Water tracker ships an update every 3 weeks, HydraFill every 2 days. Both last shipped on October 15, 2026.

Scorecard4 real differences · 5 level
Water tracker versus HydraFill: the parameters behind the verdict, then further details
ParameterWater trackerHydraFill
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size34 MB102 MB
Age rating4+4+
DeveloperEFSTATHIOS KARACHISARIDISParthkumar Saliya

In-app purchases

3 purchases

Water tracker

Subscriptions2
  • Monthly$1.991 Month
  • Yearly$7.991 Year
One-time1
  • Lifetime$17.99
None

HydraFill

No in-app purchases

Questions

Is Water tracker free?
Water tracker is free to download, with in-app purchases available.
Is HydraFill free?
HydraFill is free to download, with no in-app purchases.
Do Water tracker or HydraFill have ads?
HydraFill shows ads; Water tracker does not.
Which is updated more often, Water tracker or HydraFill?
Water tracker ships an update every 3 weeks, and HydraFill every 2 days. Most recently, Water tracker was updated on October 15, 2026 and HydraFill on October 15, 2026.

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