ZoomPhysio vs Watch Hydration
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZoomPhysio
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ZoomPhysio provides immediate access to physiotherapy plans for musculoskeletal conditions, designed by NHS-trained professionals. Accessible via web, app, and video, the app offers free initial plans, extensive treatment options, progress tracking tools, and 24/7 support. Patients can self-refer or be directed by their GP to receive personalised treatments without the wait. Ideal for individuals, healthcare providers, and businesses seeking effective physiotherapy solutions. Join over 250,000 users benefiting from rapid, high-quality care.
Watch Hydration
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Log water intake to HealthKit straight from your wrist! Watch Hydration is a free, simple watchOS app which enables you to quickly enter an amount of liquid and log it straight to HealthKit. Select the cup to choose different liquids, each with their own modifier to ensure you reach your goal. Easily update your goal, and check your progress for the day. Simple, optional, notifications which let you know if you managed to hit your goal or not yesterday.
Screenshots
Verdict
The clearest difference is iOS requirement: ZoomPhysio at 15.6 against Watch Hydration's 17.6. On price, update cadence, ads and in-app purchases 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.
ZoomPhysio ships an update every 2 weeks, Watch Hydration every 3 weeks. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.
| Parameter | ZoomPhysio | Watch Hydration |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 11 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | ZoomPhysio Ltd | Thomas Chatting |
In-app purchases
ZoomPhysio
No in-app purchases
Watch Hydration
No in-app purchases
Questions
Is ZoomPhysio free?
Is Watch Hydration free?
Do ZoomPhysio or Watch Hydration have ads?
Which is updated more often, ZoomPhysio or Watch Hydration?
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