Comparison

Water Tracker vs CaloriZen

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

Head to head
About

Water Tracker

Features
Read full description

STAY HYDRATED, FIND CALM – ALL IN ONE BEAUTIFUL APP Discover Flow – the ultimate hydration companion that combines a smart water tracker with mesmerizing particle simulations designed to help you stay hydrated, relaxed, and focused throughout your day. ADVANCED WATER TRACKING Never forget to drink water again! FlowState makes hydration effortless with: • Personalized daily water intake goals based on your body weight, activity level, and climate • Intuitive reminders that adapt to your schedule • Beautiful visual progress tracking to monitor your hydration journey • Quick-log options for different container sizes and beverage types • Simple yet effective tools to help build consistent hydration habits • Visual celebrations to acknowledge your daily achievements CALMING PARTICLE SIMULATIONS Transform any moment into an opportunity for mindfulness with our unique interactive particle simulations: • Stunning fluid dynamics that respond to your touch • Various themes including flowing water, gentle rain, and cosmic nebulae • Customizable colors and particle behaviors to match your mood • Soothing background sounds perfectly synchronized with visual effects • Perfect for mindful breaks during busy days DESIGNED FOR FOCUS & ADHD SUPPORT FlowState was created with neurodiversity in mind: • Interactive simulations that help redirect restless energy • Sensory tools that provide gentle stimulation for better focus • Hydration tracking to support optimal brain function • Mindful moments to help reduce anxiety and improve attention • Simple interface that minimizes distractions and cognitive load • Timer-based focus sessions integrated with hydration reminders WHY FLOWSTATE IS UNIQUE "FlowState has revolutionized my hydration habits while giving me a beautiful tool to calm my racing thoughts. The particle simulations are truly mesmerizing!" – Sarah K. "As someone with ADHD, I've tried dozens of apps for focus and health tracking. FlowState is the first one that actually works for me – the combination of water tracking and interactive relaxation tools is genius." – Michael T. • Science-backed approach to hydration and mental wellbeing • Seamlessly combines practical health tracking with mindfulness tools • No subscription required – one download for all features • Regular updates with new particle effects and tracking enhancements • Minimal battery usage despite beautiful graphics • Privacy-focused – your health data stays on your device BENEFITS OF PROPER HYDRATION Staying properly hydrated helps: • Improve cognitive function and focus • Boost energy levels naturally • Enhance mood and reduce anxiety • Support healthy skin and digestion • Optimize physical performance • Regulate body temperature PERFECT FOR: • Anyone looking to improve their daily water intake • Individuals with ADHD seeking calming sensory tools • Busy professionals who need mindful breaks • People who struggle with anxiety or focus issues • Anyone who enjoys beautiful, interactive experiences • Health-conscious individuals tracking wellness metrics Download Flow today and transform your hydration habits while discovering a pocket sanctuary for your mind. Your body and brain will thank you! The app requires a paid subscription. Terms of Use - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CaloriZen

Effortlessly track your nutrition and fitness with AI. Snap photos of meals for instant calorie and macro logging, scan barcodes, or import recipes. Get personalized coaching and AI-generated workouts to reach your health goals.

Highlights
  • AI meal photo scanning
  • Barcode nutrition scanning
  • Recipe import from videos
  • AI-powered workout generation
  • Personalized AI coaching
  • Apple Health integration
Features
Read full description

CaloriZen is your AI-powered nutrition and fitness companion. Snap a photo of your meal and let AI log the calories and macros for you — no more tedious searching. TRACK FOOD IN SECONDS • AI food scan — point your camera at a plate and get instant calories, protein, carbs, and fat • Barcode scanner — scan any packaged product for accurate nutrition • Import recipes from TikTok, Instagram, and YouTube videos with one tap • Quick Add for your frequent meals YOUR AI COACH • Chat or talk to Zen, your personal nutrition and fitness coach • Ask for meal ideas, macro advice, and workout plans • Guidance tailored to your goals TRAIN SMARTER • AI-generated workouts based on your goals • Log workouts and track training volume and personal records • Recovery insights STAY ON TRACK • Daily calorie and macro goals calculated for you • Water tracking, streaks, and progress charts • Apple Health sync for weight and activity • Live Activities and Dynamic Island for at-a-glance progress Free to use, with CaloriZen Premium for unlimited AI. — Subscription — CaloriZen Premium is an auto-renewable subscription. • Monthly: $9.99 per month • Annual: $59.99 per year Payment is charged to your Apple Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in your Apple Account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Water Tracker2 screens
CaloriZen4 screens

Verdict

The call

The clearest difference is device support: CaloriZen at 4 against Water Tracker's 1. CaloriZen also leads on iOS requirement (15.0 vs 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Water Tracker sells 2 in-app purchases, starting at $3.99 per 7 days and CaloriZen sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Water Tracker ships an update weekly, CaloriZen every 11 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Water Tracker versus CaloriZen: the parameters behind the verdict, then further details
ParameterWater TrackerCaloriZen
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyWeekly — betterEvery 11 days
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.615.0 — better
Further details — not scored
Size14 MB89 MB
Age rating4+4+
DeveloperRoman VentskusPhilip Godwin

In-app purchases

2 purchases

Water Tracker

Subscriptions2
  • Weekly3 Days trial$3.997 Days
  • Annual$89.991 Year
2 purchases

CaloriZen

Subscriptions2
  • CaloriZen Premium7 Days trial$9.991 Month
  • CaloriZen Premium7 Days trial$59.991 Year

Questions

Is Water Tracker free?
Water Tracker is free to download, with in-app purchases available.
Is CaloriZen free?
CaloriZen is free to download, with in-app purchases available.
Do Water Tracker or CaloriZen have ads?
Neither Water Tracker nor CaloriZen shows ads.
Which is updated more often, Water Tracker or CaloriZen?
Water Tracker ships an update weekly, and CaloriZen every 11 days. Most recently, Water Tracker was updated on October 30, 2026 and CaloriZen on November 5, 2026.

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