Comparison

Thirrrsty vs Flow

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

Head to head
About

Thirrrsty

This app offers a simple and visually appealing method to monitor your daily water consumption. It allows for convenient logging, goal setting, and integrates with your phone's health data. Receive timely reminders and access quick logging options via widgets or voice commands.

Highlights
  • Set and track hydration goals
  • Schedule water intake reminders
  • Log water via notifications
  • Home Screen widget for quick access
  • Siri integration for voice logging
  • Health app synchronization
  • Watch app for wrist tracking
Read full description

Thirrrsty is the simplest and most beautiful way to track your daily water intake. It was designed to ensure you are able to log water in the most convenient manner to you. Thirrrsty integrates with the Health app on your phone to ensure all your health data is available in one place. You can even ask Siri to record your water intake. You can also add a widget to the Home Screen to quickly see your water intake throughout the day. Key features: - Set and track goals easily - Schedule reminders to make sure you are on top of your goals - Log water intake through notifications - Home Screen widget to quickly see and update your water intake - Record a personalized phrase, and you'll be able to log your water intake simply by asking Siri - Dark mode support - Sync progress across devices with iCloud - Health app integration Watch app features: - Completely independent app - Set goals directly on your watch - Schedule reminders to make sure you are on top of your goals - Lets you track your daily intake easily on your wrist - Complication for quickly glancing at your progress - See your past seven day history

About

Flow

Features
Read full description

LOG YOUR WATER INTAKE Track every glass, bottle, or cup with just a tap. Custom drink sizes or quick presets. Never forget to hydrate with smart notifications throughout the day. PERSONALIZED HYDRATION GOAL Set your daily target based on your weight and activity level. Adjust anytime. The app adapts to your needs, not the other way around. WATCH YOUR PROGRESS Build hydration streaks and celebrate consistency. Detailed stats show your weekly intake, best days, and trends over time. Stay motivated with visual progress tracking. APPLE HEALTH & APPLE WATCH Sync water intake to Apple Health automatically. Log drinks straight from your wrist with full Apple Watch support. SMART REMINDERS Never miss a sip. Customizable notifications keep you on track without being annoying. Set your schedule, we'll handle the rest. PRIVACY FIRST All your data stays on your device. Export anytime. No account required. PAY ONCE, YOURS FOREVER No subscriptions, no ads, no in-app purchases. One price, unlimited hydration.

Screenshots

Thirrrsty4 screens
Flow4 screens

Verdict

The call

The clearest difference is price: Thirrrsty at Free against Flow's $3.99. Flow's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 3 months). On 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

Thirrrsty is free to download; Flow costs $3.99 up front. Thirrrsty sells 1 one-off in-app purchase. Flow asks for nothing beyond the download.

UpkeepUpdate frequency

Thirrrsty ships an update every 3 months, Flow every 5 days. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Thirrrsty versus Flow: the parameters behind the verdict, then further details
ParameterThirrrstyFlow
PriceFree — better$3.99
Rating4.5 (87 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings87 — better—
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS17.016.2 — better
Further details — not scored
Size9 MB40 MB
Age rating4+4+
DeveloperAbdul AljebouriLOKRIS

In-app purchases

1 purchases

Thirrrsty

One-time1
  • Developer Tip$1.99
None

Flow

No in-app purchases

Questions

Is Thirrrsty free?
Thirrrsty is free to download, with in-app purchases available.
Is Flow free?
Flow costs $3.99, with no in-app purchases.
Do Thirrrsty or Flow have ads?
Neither Thirrrsty nor Flow shows ads.
Which is updated more often, Thirrrsty or Flow?
Thirrrsty ships an update every 3 months, and Flow every 5 days. Most recently, Thirrrsty was updated on September 27, 2026 and Flow on October 1, 2026.

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