Terrarun vs HydraFill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Terrarun
This app transforms running into a competitive territory-claiming game. Run to capture areas on a live map, defend your turf from rivals, and climb leaderboards. It also offers robust GPS tracking for all your runs.
- Run to capture territory
- Defend turf from rivals
- Live 3D map of your city
- Accurate GPS tracking
- Weekly leagues and leaderboards
- Join clubs for territory battles
- Apple Watch integration
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Run to own the map. Terrarun turns every run into a real territory war. Run a loop and the ground you enclose becomes yours drawn in your color on a city map every runner shares. Rivals can run the same streets and take it straight back. CLAIM REAL GROUND • Close a loop and capture the actual area inside it, measured in m² • Your territory shows in your color to every runner in the city • Steal from rivals by running through their turf — and lose yours the same way • No protected ground. Any territory can be taken, at any time EVERY RUN ENDS IN A TAKEOVER • Watch your new ground flood the city map the moment you stop • The leaderboard re-ranks live, so you see exactly who you passed • Replay the run that won it, drawn out on a 3D night map A SERIOUS RUN TRACKER UNDERNEATH • GPS tracking with pace, splits, distance, elevation and your full route • Keeps recording with your phone locked in your pocket • Apple Watch app with a live map on your wrist — start from the watch alone • Apple Health, full run history, personal records and weekly stats • Route planner that snaps to real streets, with run-day reminders CLUBS ARE FACTIONS • Your club has a crest, a color and a war record • Live club-vs-club territory battles • Club chat and a ranked member list COMPETE EVERY WEEK • Weekly leagues with promotion and relegation • Global, country and city leaderboards • Named rivals, timed events, achievements and weekly streaks Run 5K, train for a marathon, or just walk your neighborhood — every step takes ground. TERRARUN PRO Your first run is free, and the ground it claims is yours to keep. After it, Terrarun Pro is what keeps you running: every run, every loop you close, the full leaderboards, live runs, clubs, events, named rivals and raids to take back ground a rival stole. Entering a prize competition never requires Pro. • Monthly and yearly plans. • Prices vary by region and are shown in the app before you confirm. • Payment is charged to your Apple ID at confirmation. Your subscription renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel any time in your Apple ID settings. Terms: https://striderunning.run/terms/ Privacy: https://striderunning.run/privacy/ Support: support@striderunning.run Run. Claim. Conquer.
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 in-app purchases: HydraFill at none against Terrarun's 4. HydraFill also leads on rating (5.0 vs 4.8) and update cadence (every 2 days vs every 5 days). Terrarun's advantage is ads (none vs shown) and ratings volume (4 vs 1). On price, monetization model, 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. Terrarun sells 4 in-app purchases, starting at $9.99 per month. HydraFill asks for nothing beyond the download.
HydraFill holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Terrarun ships an update every 5 days, HydraFill every 2 days. Both last shipped on October 31, 2026.
| Parameter | Terrarun | HydraFill |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 120 MB | 102 MB |
| Age rating | 12+ | 4+ |
| Developer | Teja Chinthala | Parthkumar Saliya |
Customer experience
Terrarun
HydraFill
In-app purchases
Terrarun
- Stride Pro Monthly$9.991 Month
- Stride Pro Yearly Discount$29.991 Year
- Stride Pro Yearly3 Days trial$44.991 Year
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- Stride Pro (Yearly)$44.991 Year
HydraFill
No in-app purchases









