Comparison

Hydrator vs Sirpi

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

Head to head
About

Hydrator

This app helps you effortlessly stay hydrated with personalized reminders and easy drink tracking. Set custom goals, monitor your progress, and sync with health platforms for a complete wellness experience.

Highlights
  • Personalized water goals
  • Smart, adaptive reminders
  • Easy logging for all beverages
  • Streaks and badges for motivation
  • Apple Health and Google Fit integration
  • Distraction-free design
Features
Read full description

Hydrator – The Smart Water Reminder and Hydration Tracker **KEY FEATURES** - Personalized daily water goals based on your weight, activity, and weather - Smart, non-intrusive reminders — specific times, custom intervals, or pace-based - Fast, one-tap water logging - Goals, friends & leaderboards to stay motivated - AI Assistant Integration (MCP): Connect Hydrator to AI assistants and agents over a standard Model Context Protocol (MCP) server - Apple Health Integration - Complete privacy - Clean, distraction-free design - No ads **WORKS ON EVERY DEVICE** The same app on iPhone, Android, and the web, with the same data everywhere. Change phones or open it on a laptop and nothing changes — history, goals, and reminders all come with you. **A LOT FOR FREE** Health sync, goals and streaks, friends and leaderboard, smart reminders, and AI assistant access are all free — the kind of thing many other hydration apps put behind a paywall. Optional Pro adds automatic weather, activity, and weight tracking. Hydrator is a modern, actively maintained app. Many water trackers were last updated years ago; Hydrator keeps current with the latest iOS releases and ships improvements regularly. Stay hydrated, energized, and on track. Free with optional Pro features. Terms & Conditions: https://hydrator.app/terms_and_conditions.html Privacy Policy: https://hydrator.app/privacy_policy.html

About

Sirpi

This AI-powered health coach analyzes meals from photos, offering personalized nutrition advice and coaching on various health topics. It tracks vital metrics, integrates with wearables, and provides insights into sleep and activity.

Highlights
  • AI food analysis from photos
  • Personalized health coaching
  • Vitals and activity tracking
  • Wearable device integration
  • Smart nutrition tracking
  • Sleep and recovery insights
Read full description

Sirpi is your personal AI health coach. Snap a photo of any meal for instant nutrition analysis with personalized coaching tailored to your health profile and goals. Medical Disclaimer: Sirpi provides educational health, nutrition, and wellness information only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician before making any decisions related to your health, diet, exercise, or medications. AI Food Analysis - Take a photo of any meal to get calories, macros, a health score, ingredients, and personalized advice — all powered by AI. Personalized Health Coaching - Chat with your AI coach about nutrition, sleep, fitness, or any health topic. Get guidance that considers your health conditions, goals, and lifestyle. Vitals Dashboard - Track steps, active calories, heart rate, HRV, sleep, weight, body fat, and BMI with weekly trend charts and daily targets. Wearable Integrations - Connect Apple Health, WHOOP, and Oura Ring for automatic data sync. Smart Nutrition Tracking - Track daily calories, protein, carbs, fat, fiber, sugar, and eating window with color-coded weekly trend charts. Sleep & Recovery Insights - Detailed sleep analysis with AI coaching that considers your lifestyle and training goals. Supports WHOOP and Oura sleep data. Activity Tracking - Log workouts manually or sync from Apple Health with AI-powered insights personalized to your goals. SUBSCRIPTION Free tier includes 30 AI operations per month. Upgrade to Sirpi Pro for unlimited access: • Monthly: $5.99/month • Annual: $49.99/year ($4.17/month) Payment is charged to your Apple ID account at confirmation. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in Account Settings. Privacy Policy: https://www.sirpi.life/privacy Terms of Service: https://www.sirpi.life/terms

Screenshots

Hydrator4 screens
Sirpi4 screens

Verdict

The call

The clearest difference is rating: Sirpi at 5.0 against Hydrator's 3.8. Sirpi also leads on review sentiment (100% vs 67%). Hydrator's advantage is ads (none vs shown). On price, ratings volume, update cadence 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. Hydrator sells 3 in-app purchases, starting at $0.99 per month and Sirpi sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sirpi holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 11 respectively. Written reviews point the same way: 67% of Hydrator's written reviews are positive against 100% of Sirpi's.

UpkeepUpdate frequency

Hydrator ships an update every 5 days, Sirpi weekly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Hydrator versus Sirpi: the parameters behind the verdict, then further details
ParameterHydratorSirpi
PriceFreeFree
Rating3.8 (4 ratings)5.0 (11 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings411 — better
Update frequencyEvery 5 days — betterWeekly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size81 MB81 MB
Age rating17+12+
DeveloperJonathan TerrySirpi Wellness, Inc.

Customer experience

Hydrator

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Sirpi

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Hydrator

Subscriptions2
  • Hydrator Pro - Monthly1 Month trial$0.991 Month
  • Hydrator Pro - Yearly1 Month trial$9.991 Year
One-time1
  • Hydrator Pro Perpetual$19.99
2 purchases

Sirpi

Subscriptions2
  • Sirpi Pro$5.991 Month
  • Sirpi Pro Annual$49.991 Year

Questions

Is Hydrator free?
Hydrator is free to download, with in-app purchases available.
Is Sirpi free?
Sirpi is free to download, with in-app purchases available.
Which has better reviews, Hydrator or Sirpi?
Sirpi is rated higher. Hydrator averages 3.8 out of 5 from 4 ratings, while Sirpi averages 5.0 from 11 ratings.
Do Hydrator or Sirpi have ads?
Sirpi shows ads; Hydrator does not.
Which is updated more often, Hydrator or Sirpi?
Hydrator ships an update every 5 days, and Sirpi weekly. Most recently, Hydrator was updated on October 30, 2026 and Sirpi on October 24, 2026.

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