Comparison

Water Reminder vs Bladder Journal

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

Head to head
About

Water Reminder

This app helps you stay hydrated by reminding you to drink water based on your body's signals, rather than just tracking intake. It offers customizable notifications and integrates with Apple Health, providing a simple way to build healthy habits and monitor your well-being.

Highlights
  • Drink water reminders based on body signals
  • Apple Watch and Lock Screen widgets
  • Customizable notifications
  • Apple Health integration
  • Hydration calendar (pee count)
  • Data export and social features
Features
Read full description

P is a water reminder for iPhone and Apple Watch that doesn’t make you log every glass. You log a bathroom visit in seconds, and P reminds you to drink water when it’s been a while. P tracks output, not intake: peer-reviewed studies support 24-hour pee frequency as a practical hydration indicator in healthy adults. P also works as a bladder diary to track how often you pee: log each bathroom visit from your iPhone or Apple Watch, add notes, and keep a record to discuss with your doctor. It’s great for Apple Watch or as a Lock Screen Widget, and not as complicated as a water tracker. Who wants to use an annoying, complicated water tracker to drink water? Up your hydration game with this app! Try it out, and see how this drink water reminder app can keep you aware of your body. Key features: - Drink water when your body needs it most, instead of based on just water intake - Great Apple Watch app: Put it on your watch face for fast access while you head to the restroom! - Customizable drink water reminder notifications - Apple Health integration - Lock Screen widgets - Home Screen widgets - Hydration calendar (pee count per day) - Add notes on pees - Volume tracking: record void volume in mL or oz for a complete voiding diary - See Where You Peed: include location on pees for a low-effort journal of your life - Tell Siri to “Log a P” - Data export as CSV - Supported by scientific research - Add friends so you can remind them to drink water - Earn your scroll: Water Break blocks apps you choose until you take a sip of water If you’ve ever had a UTI or kidney stones, you know how important it is to drink water. Hydration is so important! There can be many benefits of drinking water, like weight loss, healthy skin, mental clarity, and much more. Dehydration can hold you back from being your best self. Now it’s easy to know when it’s water time. This hydration app gets you in tune with your body, especially when you need to drink water most. P is like a fitness game, taking the water tracker concept and turning it around, so you don’t need to track water intake. It’s a much simpler free water drinking reminder app. Don’t break that streak! You can even see where you stack up against the streaks of other users on the Leaderboard. Even though P is designed to help you drink water as a hydration app and water drinking reminder app, you may also want to use it as a simple pee tracker or bathroom tracker. With volume tracking, P supports proper voiding diaries that medical providers request. This can be helpful for tracking data related to prostate conditions, bladder conditions, avoiding UTIs, avoiding kidney stones, and more. Remember, this is not a water tracker! There is no way to record when you drink water, or how much water you drink. Instead, it’s a hydration app based on how often you pee! Join the many happy users who have used P to drink water and monitor their hydration based on how often they pee instead of a water tracker! P does not provide medical advice. It is not intended to diagnose or treat any medical conditions. It’s just a fun way to remember to drink more water or track your pees. Ask a licensed medical professional if you have any questions about: - kidney stones - gout or other types of inflammatory arthritis - prostate conditions, or BPH - interstitial cystitis and bladder conditions - urinary tract infections (UTI) - getting well-hydrated to prevent hangovers - pelvic floor training and Kegel exercises to control urinary incontinence - postural orthostatic tachycardia syndrome (POTS) P includes optional subscriptions. Subscriptions are charged to your App Store account and renew automatically unless canceled before the current period ends. You can turn off auto-renewal in Settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ P was formerly called Pee & See.

About

Bladder Journal

This app helps you track urination, fluid intake, and leakage to understand your bladder health. It generates reports for healthcare providers and offers AI-powered insights and audio analysis for volume estimation. Available on iPhone and Apple Watch.

Highlights
  • Log urination details (volume, pain, urgency)
  • Track fluid intake and leakage episodes
  • Generate clinical PDF/CSV reports
  • AI-powered pattern analysis
  • Audio analysis for urination volume
  • Apple Watch and Home Screen widget support
  • Privacy-focused with optional iCloud sync
Features
Read full description

Bladder Journal is a bladder diary app and pee tracker that helps you track urination and urinary frequency to improve urinary health. Use it as your urination log and voiding diary—an accurate urination tracker app for iPhone and Apple Watch. Turn your iPhone/Apple Watch into a comprehensive Bladder Health Companion. Bladder Journal effortlessly tracks urination, fluid intake, pain, and leakage, turning entries into clear trends and actionable insights—all while prioritizing your privacy. Generate clinically approved reports (PDF/CSV) for your physician or healthcare provider, free of charge. Use your Apple Watch for ease of entry as well! KEY FEATURES: Effortless Tracking: - Log urination (volume, duration, urgency, stream strength, pain, nighttime events) - Record fluid intake (type and amount) - Track leakage episodes (volume, pad changes) - Sync with HealthKit (Apple Health) for water and incontinence Deep Insights (Pro): - AI-powered summaries revealing hidden patterns and triggers in your data, including exclusive charts. - AI Chat (requires yearly subscription) digs deeper into any questions about your data. Smart Alerts (Pro): - Smart Alerts learns from your unique patterns to anticipate your needs throughout the day - Predicts bathroom timing so you can plan ahead with more confidence - Identifies safe windows for activities and travel - Monitors hydration patterns and flags potential dehydration risk - Helps prepare you for nighttime with confidence scoring - Predictive intelligence not offered by other bladder diary apps Audio Analysis (Pro): - Audio Analysis accurately estimates urination volume through on-device sound analysis. No more measuring cups Clinical Reports: - Generate professional PDF and CSV reports for healthcare providers (Free) Detailed Visualizations: - Urination frequency and urgency - Average time between urinations - Stream strength trends - Leakage patterns - Fluid intake correlation Apple Watch App: - Quick logging from your wrist - Instant sync with iPhone - Offline support Home Screen Widgets: - View key stats at a glance Personalization & Security: - App Lock with Face ID, Touch ID, or Passcode - Customizable themes (Light, Dark, Scheduled) - Unit flexibility (ml/oz) - Daily reminders for consistent tracking Relaxation & Mindfulness: - Vibe Mode for relaxation and mindful focus Privacy First: - Data stays securely on your device by default - Optional iCloud Sync maintains privacy across your devices WHO BENEFITS? Ideal for individuals managing: - Overactive bladder (OAB) - Urinary incontinence - Post-prostate surgery recovery - Postpartum changes - Nocturia (nighttime urination) - General bladder health monitoring Bladder Journal empowers you to understand your body’s patterns and confidently manage your bladder health—available on iPhone, Apple Watch, and your Home Screen. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.bladderjournal.com/privacy-policy

Screenshots

Water Reminder4 screens
Bladder Journal4 screens

Verdict

The call

The clearest difference is ratings volume: Water Reminder at 1.9K against Bladder Journal's 21. On price, rating, review sentiment and update cadence 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 Reminder sells 11 in-app purchases, starting at $4.99 per month and Bladder Journal sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Water Reminder against 4.7 for Bladder Journal. That said, the two scores are not equally well evidenced: Water Reminder has 1.9K ratings behind it against 21, so its average is the more settled of the two. Written reviews are what separate them: 88% of Water Reminder's written reviews are positive against 83% of Bladder Journal's.

UpkeepUpdate frequency

Water Reminder ships an update every 6 days, Bladder Journal every 3 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
Water Reminder versus Bladder Journal: the parameters behind the verdict, then further details
ParameterWater ReminderBladder Journal
PriceFreeFree
Rating4.7 (1.9K ratings) — better4.7 (21 ratings)
Positive reviews88.5% of reviews — better83.3% of reviews
Number of ratings1.9K — better21
Update frequencyEvery 6 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, Apple WatchiPhone, iPad, Apple Watch — better
Requires iOS17.0 — better18.0
Further details — not scored
Size98 MB73 MB
Age rating9+12+
DeveloperGanotis Holdings, Inc.Julien Cheron

Customer experience

Water Reminder

All ratings1,938 ratings
Positive94.8%
Neutral3.0%
Negative2.2%
Written reviews226 reviews
Positive88.5%
Neutral4.4%
Negative7.1%

Bladder Journal

All ratings17 ratings
Positive94.1%
Neutral0.0%
Negative5.9%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Bugs and requests

Water Reminder

Reported bugs

3 issues
  • Apple Watch app not working after update
  • Pee data disappearing after update
  • Inconsistent time tracking between app and widget

Requested features

4 requests
  • Add ability to track urine color and volume
  • Pause tracking during sleep
  • Customizable hydration targets
  • Export data to other health apps

Bladder Journal

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Water Reminder

Subscriptions2
  • Monthly Subscription$4.991 Month
  • Yearly Subscription7 Days trial$39.991 Year
One-time9
  • Streak Lie: 7–29 Days$0.49
  • One Month Subscription$1.99
  • Streak Lie: 30–59 Days$4.99
Show 6 more
  • Streak Lie: 60–89 Days$8.99
  • Six Month Subscription$9.99
  • Twelve Month Subscription$13.99
  • Streak Lie: 90+ Days$19.99
  • Lifetime Access$119.99
  • Lifetime Subscription$399.99
5 purchases

Bladder Journal

Subscriptions4
  • Audio Analysis Weekly$1.997 Days
  • Audio Analysis 1 Month Plan$4.991 Month
  • Audio Analysis 3 Month Plan$12.993 Months
Show 1 more
  • PRO Yearly7 Days trial$24.991 Year
One-time1
  • Deep Insights$9.99

Questions

Is Water Reminder free?
Water Reminder is free to download, with in-app purchases available.
Is Bladder Journal free?
Bladder Journal is free to download, with in-app purchases available.
Which has better reviews, Water Reminder or Bladder Journal?
Water Reminder is rated higher. Water Reminder averages 4.7 out of 5 from 1.9K ratings, while Bladder Journal averages 4.7 from 21 ratings.
Do Water Reminder or Bladder Journal have ads?
Neither Water Reminder nor Bladder Journal shows ads.
Which is updated more often, Water Reminder or Bladder Journal?
Water Reminder ships an update every 6 days, and Bladder Journal every 3 days. Most recently, Water Reminder was updated on October 26, 2026 and Bladder Journal on October 25, 2026.

Other comparisons