Comparison

Hydration Tracker vs Paul's Gym

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

Head to head
About

Hydration Tracker

This gamified hydration tracker helps you build a healthy habit of drinking water regularly. It offers smart reminders, customizable goals based on your profile, and a collection of fun cat characters to keep you motivated. Track various beverages and view your progress with detailed logs and statistics.

Highlights
  • Gamified hydration tracking
  • Smart daily water reminders
  • Customizable goal calculator
  • Collection of cat characters
  • Log of 38 popular beverages
  • Detailed history and stats
  • Ad-free experience
Features
Read full description

Liquid Cats is a gamified water tracker and water reminder for those who want to build a healthy habit and enjoy it along the way. Sometimes your body isn’t great at telling you exactly what it needs. So don’t wait until you’re thirsty — make hydration your new favorite habit and drink water regularly! Liquid Cats is more than just a water app — it's a fully-featured hydration tracker that turns staying hydrated into a game. Whether you're looking for a drink water reminder, a water intake tracker, or just a way to remember to drink water, this water drinking app makes it simple and enjoyable. See what we’ve got for you here: + Simple, quick, and easy-to-use interface — ideal for a free drink water app. + Smart daily water reminders to help you stay on track. + A growing collection of cat characters and motivational streaks — hydration meets fun! + Smart goal calculator that adjusts to your gender, weight, activity level, and even the climate you live in — a smarter water intake solution. + 38 popular beverages to choose from — water, coffee, tea, soda, or even alcohol — every drop matters. + Handy drink sizes including cups, bottles, mugs, and cans to match your real-life drinking habits. + Flexible oz/ml unit system and fully customizable drinks — ideal for any lifestyle. + Complete log calendar, stats, hydration streaks, and detailed history — your hydration reminder journal at your fingertips. + 100% ad-free experience — focus on your wellness journey without distractions. Liquid Cats is the perfect drink water app to keep your routine flowing. It’s a playful yet practical free water tracker app that helps you reach your daily goals. Our water reminder system encourages you to hydrate regularly, helping you feel better both physically and mentally. With Liquid Cats, your drink water reminder is not only functional but delightful. And yes, it's a water tracker free of ads and packed with features — your new favorite free water reminder app might just be this one. From our clever drink water reminder free system to the beautifully designed experience, this water drinking reminder is made for people who want to feel better, perform better, and live better — one glass at a time. Download this free water tracker app, and let Liquid Cats become your daily hydration tracker. Be hydrated and have fun doing it! ▼IMPORTANT NOTE: Liquid Cats is not a medical app. Your recommended daily goal is based on your gender, weight, activity level, and climate, following general hydration guidelines. This is not medical advice, diagnosis, or treatment. Please consult your doctor to determine if this goal is right for you.

About

Paul's Gym

Features
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WILLKOMMEN IN DER ZUKUNFT DES FITNESS... AUS DER VERGANGENHEIT! Paul's Gym bringt dir die ganze Power einer 80s-Workout-Montage direkt auf dein Handy - minus die fragwuerdigen Frisuren! Diese App ist fuer alle, die wissen, dass Fitness Spass machen sollte. WARUM PAUL'S GYM? WISSENSCHAFT TRIFFT 80S-STYLE Alle Workouts und Ernaehrungstipps basieren auf aktuellen wissenschaftlichen Erkenntnissen - nur mit ordentlich Retro-Vibes serviert. NICHT UEBERLADEN Schluss mit Apps, die 47 Features haben, die du nie brauchst. Paul's Gym konzentriert sich auf das Wesentliche - und macht es richtig gut. FEATURES, DIE ROCKEN: WORKOUT-TRACKING Vorgefertigte Trainingsplaene fuer Anfaenger bis Profis Eigene Workouts erstellen und anpassen Live-Tracking waehrend des Trainings Satz- und Wiederholungs-Logging Pausenzeiten-Timer Templates sharen und importieren ERNAEHRUNGS-HUB Mahlzeiten-Planung Zielorientierte Ernaehrungsempfehlungen Integration mit Trainingsdaten FORTSCHRITTS-TRACKING Koerpermasse und Gewichtsverlauf Visuelle Fortschritts-Charts Kraft-Entwicklung ueber Zeit Persoenliche Bestleistungen SUPPLEMENT-MANAGEMENT Ueberblick ueber deine Nahrungsergaenzungsmittel Dosierung und Zeitplan-Verwaltung Erinnerungen fuer die Einnahme VON EINEM ECHTEN FITNESS-NERD Entwickelt von Paul - KI-Berater, Podcast-Moderator und bekennender 80s-Fanboy. Diese App entstand aus dem Wunsch nach einer Fitness-App, die genau so funktioniert, wie sie funktionieren sollte: einfach, effektiv und mit einer Prise Nostalgie. Und vor allem mit Trainingsplänen auf dem neusten Stand der Wissenschaft. PERFEKT FUER: Kraftsport-Enthusiasten: Detailliertes Tracking fuer ernsthafte Gains Fitness-Einsteiger: Einfache Fuehrung ohne Ueberforderung Familien: Gemeinsam fit werden mit separaten Profilen 80s-Fans: Weil Training mit der richtigen Attitude mehr Spass macht Pragmatiker: Keine unnoetige Features, nur was wirklich hilft DEINE FITNESS-REISE BEGINNT JETZT Egal ob du gerade deinen ersten Liegestuetz machst oder schon Arnold-Level erreicht hast - Paul's Gym ist fuer jeden da, der ein bisschen staerker werden will als gestern. Download die App und lass uns physical werden! KOMPATIBILITAET iPhone: iOS 14.0 oder neuer iPad: iPadOS 14.0 oder neuer Apple Watch: watchOS 7.0 oder neuer (Coming Soon) DATENSCHUTZ Deine Daten bleiben deine Daten. Wir verkaufen nichts, wir spammen nicht, wir sind einfach nur hier, um dir beim Fit-Werden zu helfen. KOSTENLOS STARTEN Lade Paul's Gym kostenlos herunter und starte mit allen Grundfunktionen. Premium-Features fuer noch mehr Gains verfuegbar. Bist du bereit fuer die radste Fitness-Erfahrung seit Flashdance? DOWNLOAD JETZT UND PUMP IT UP!

Screenshots

Hydration Tracker4 screens
Paul's Gym4 screens

Verdict

The call

The clearest difference is in-app purchases: Paul's Gym at none against Hydration Tracker's 5. Paul's Gym also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.0). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Hydration Tracker sells 5 in-app purchases, starting at $1.49 per 7 days. Paul's Gym asks for nothing beyond the download.

UpkeepUpdate frequency

Hydration Tracker ships an update every 9 days, Paul's Gym fortnightly. Both last shipped on October 30, 2026.

Scorecard3 real differences · 7 level
Hydration Tracker versus Paul's Gym: the parameters behind the verdict, then further details
ParameterHydration TrackerPaul's Gym
PriceFreeFree
Rating4.8 (26 ratings) — better—
Positive reviews87.5% of reviews—
Number of ratings26 — better—
Update frequencyEvery 9 days — betterFortnightly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size34 MB29 MB
Age rating12+17+
DeveloperNikita ZhukovAlexander Paul Probst

In-app purchases

5 purchases

Hydration Tracker

Subscriptions3
  • Weekly$1.497 Days
  • Monthly$2.991 Month
  • Annual$8.991 Year
One-time2
  • Cats friendFree
  • Lifetime$17.99
None

Paul's Gym

No in-app purchases

Questions

Is Hydration Tracker free?
Hydration Tracker is free to download, with in-app purchases available.
Is Paul's Gym free?
Paul's Gym is free to download, with no in-app purchases.
Do Hydration Tracker or Paul's Gym have ads?
Hydration Tracker shows ads; Paul's Gym does not.
Which is updated more often, Hydration Tracker or Paul's Gym?
Hydration Tracker ships an update every 9 days, and Paul's Gym fortnightly. Most recently, Hydration Tracker was updated on October 30, 2026 and Paul's Gym on October 30, 2026.

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