Vessel vs HydroProof
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vessel
This app helps you track your daily water intake with quick logging and detailed analytics. It offers personalized reminders and custom drink options, all while keeping your data private and accessible for free.
- Quick intake logging
- Advanced hydration analytics
- Personalized reminders
- Custom drink creation
- Private iCloud sync
- Streak building
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Vessel — Water Tracker Hydration apps got greedy. We didn't. Vessel gives you everything the "premium" apps charge for — completely free. No subscriptions. No paywalls. No dark patterns. Just you, your water, and the data to back it up. Track It Log your intake in seconds with Quick Add shortcuts. Hit your daily goal. Build a streak. Then beat it. Know Your Patterns The Analytics tab goes deep — Hydration River, Hourly Heatmap, Sip Tempo, Daypart Energy, Weekend Split, Size Spectrum, Consistency Radar, Monthly Battles and more. This isn't a water counter. It's a full hydration intelligence system. Stay Reminded Set reminders your way — hourly intervals or specific times. Schedule multiple alerts for different drinks. Get notified on your iPhone, your Apple Watch, or both. Independently. Build Your Routine Create custom drinks, set your own pour sizes, and personalize Quick Add so logging feels effortless every single time. Your Data Stays Yours Everything syncs privately via iCloud. On-device. Transparent. Always. Vessel was built on one belief — staying hydrated is basic, and basic should be free. Drink up.
HydroProof
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HydroProof helps you track exactly what you're drinking – not just how much. Other hydration apps only track total ml. HydroProof tracks your vessels instead: Your water bottle, coffee cup, protein shaker – all at the same time. Update the fill level, and HydroProof automatically calculates how much you drank! Features: - Track multiple vessels simultaneously - Automatic intake calculation from fill levels - Quick gestures: Drink all, Refill, Drink & Refill - Full Apple Health integration – every sip is logged automatically - Apple Watch app with Digital Crown support - iCloud sync across all your devices - Watch Complication for quick access.
Screenshots
Verdict
The clearest difference is iOS requirement: HydroProof at 18.6 against Vessel's 26.0. On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Vessel | HydroProof |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 26.0 | 18.6 — better |
| Further details — not scored | ||
| Size | 20 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Sri Harish Pinnimti | Andre Veltens |
In-app purchases
Vessel
No in-app purchases
HydroProof
No in-app purchases





