Comparison

Rex Veterinary Clinic vs Python Water

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

Head to head
About

Rex Veterinary Clinic

Manage your pet's health with this app, offering online appointment booking, digital health records, and vital sign tracking. Access visit history, medications, and communicate with the veterinary service team.

Highlights
  • Online appointment booking
  • Pet health records
  • Vital sign tracking
  • Electronic health records
  • Chat with service team
  • Appointment reminders
Features
Read full description

Rex is a new breed of veterinary care. We run modern vet clinics in Berlin, Hamburg, Munich, Frankfurt, Cologne, Düsseldorf and Stuttgart - and we’re coming to many more cities. The Rex app puts your pet’s care right in your pocket. Book a visit in minutes • Pick your city, clinic, doctor and time slot - done. • Plans changed? Reschedule or cancel right in the app, no phone call needed. • Add the visit to your calendar and get directions to the clinic with one tap. Arrive like you’ve done this before • Fill in the pre-visit health questionnaire from your couch. • Sign consent forms digitally - no clipboard, no tiny pen. • Share photos and documents ahead of time, so your vet already knows what’s up. Your pet’s health, minus the paperwork • Look back at any visit: diagnoses, medications and your vet’s summary. • See the vitals from each check-up - weight, temperature, heart and respiratory rate. • View and download visit documents, including your invoice, anytime. One profile per furry family member • Keep breed, allergies, current medication and insurance details up to date. • All your pets, one account. We remind you, so you don’t have to remember • Get a nudge when a check-up or vaccination is due. • Stay on top of upcoming appointments. The Rex app is available in English and German.

About

Python Water

This app provides real-time water intelligence by connecting to a smart bottle's sensors to track pH, TDS, temperature, and mineral absorption. It offers AI-driven hydration goals and insights into molecular hydrogen's health benefits, integrating with other fitness apps.

Highlights
  • Real-time water quality monitoring
  • AI-driven smart hydration goals
  • Molecular hydrogen health benefits tracking
  • Integration with health and fitness apps
  • Personalized hydration plans
  • Rewards for optimal hydration
Features
Read full description

Real-Time Water Intelligence Seamlessly connect to your Bionic+ AI bottle’s commercial-grade sensors to track TDS, temperature, pressure, dissolved hydrogen levels, and mineral absorption—all in real time. Transform every sip into actionable insights, from optimizing hydrogen intake to balancing essential minerals. Stay Hydrated, Optimized by AI * Lab-Grade Precision: Advanced sensors deliver scientific accuracy, tracking hydration goals, hydrogen consumption, and mineral absorption. * Smart Daily Goals: AI-driven recommendations adapt to your habits, optimizing water quality and intake for your lifestyle. * Proven Health Benefits: Leverage molecular hydrogen’s antioxidant power, faster recovery, and metabolic efficiency—backed by decades of peer-reviewed research. Hydration, Simplified Refine your habits effortlessly. The Bionic+ AI bottle combines geo-location, weather patterns, temperature, and biometric data to deliver science-driven hydration plans. No subscriptions. No guesswork. Just precision-tailored hydration for your body, your goals, and your life. Connects naturally with other health and fitness apps, such as Apple Health, FitBit, Whoop, and Oura Ring, to provide an all-encompassing data stream analysis, allowing immediate and transparent ERW water hydration benefits. Get Rewarded for Optimal Hydration Stay hydrated and earn rewards with our exciting new program! Our app lets you track your daily water intake, set personalized goals, and monitor your progress toward better health. As you hit your hydration targets, you’ll unlock exclusive rewards from our partners—Meet your targets, unlock exclusive perks, and enjoy discounts from premium wellness brands—handpicked to complement your health journey. Download the Bionic+ Ai Companion App now and unlock decades of water science. Key Features: * Live water quality monitoring. * Custom hydration plans. * Monitor UV-C purification. * Detailed logs and analytics. Subscription Information: Access to the app requires an active subscription Monthly and yearly subscription options available Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Rex Veterinary Clinic4 screens
Python Water4 screens

Verdict

The call

The clearest difference is in-app purchases: Rex Veterinary Clinic at none against Python Water's 2. Rex Veterinary Clinic also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (13 vs 1). Python Water's advantage is rating (5.0 vs 4.7). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Python Water sells 2 in-app purchases, starting at $9.99 per month. Rex Veterinary Clinic asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Python Water holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Rex Veterinary Clinic has 13 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Rex Veterinary Clinic ships an update every 3 weeks, Python Water every 2 months. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

Scorecard5 real differences · 5 level
Rex Veterinary Clinic versus Python Water: the parameters behind the verdict, then further details
ParameterRex Veterinary ClinicPython Water
PriceFreeFree
Rating4.7 (13 ratings)5.0 (1 ratings) — better
Positive reviews84.6% of reviews—
Number of ratings13 — better1
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported — betterSubscription
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size56 MB68 MB
Age rating12+4+
DeveloperRex Technologies GmbHPython Water

Customer experience

Rex Veterinary Clinic

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews13 reviews
Positive84.6%
Neutral0.0%
Negative15.4%

Python Water

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Rex Veterinary Clinic

No in-app purchases

2 purchases

Python Water

Subscriptions2
  • Python App Monthly Subscription7 Days trial$9.991 Month
  • Python App Yearly Subscription7 Days trial$89.991 Year

Questions

Is Rex Veterinary Clinic free?
Rex Veterinary Clinic is free to download, with no in-app purchases.
Is Python Water free?
Python Water is free to download, with in-app purchases available.
Which has better reviews, Rex Veterinary Clinic or Python Water?
Python Water is rated higher. Rex Veterinary Clinic averages 4.7 out of 5 from 13 ratings, while Python Water averages 5.0 from 1 ratings.
Do Rex Veterinary Clinic or Python Water have ads?
Neither Rex Veterinary Clinic nor Python Water shows ads.
Which is updated more often, Rex Veterinary Clinic or Python Water?
Rex Veterinary Clinic ships an update every 3 weeks, and Python Water every 2 months. Most recently, Rex Veterinary Clinic was updated on September 13, 2026 and Python Water on September 15, 2026.

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