Comparison

iUFlow vs proudP

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

Head to head
About

iUFlow

This app serves as a comprehensive bladder and bowel diary, allowing users to easily track toilet trips, fluid intake, and bowel movements. It offers automated recording and can function as a water reminder. Data can be shared with healthcare professionals for better treatment insights.

Highlights
  • Automated voiding/bladder diary
  • Track urine intake and output
  • Record bowel movements with Bristol chart
  • Water/urine reminder
  • Share diary with doctor
  • Optional uroflowmetry device integration
Features
Read full description

iUFlow app is a Bladder Diary on your mobile. Download to track and monitor toilet trips. Bladder Diary. iUFlow is a fully automated voiding / bladder and stool diary. It is FREE and UNLIMITED toilet diary (pee log, runpee and stool log). Best for Bladder tracking. Urine tracker enables the recording of intake and output (urine) to track bladder activities, as well as recording bowel movement - poo - using a Bristol chart (to track normal, constipation, diarrhea etc) for a perfect digestive tracker and poo journal. Keep track of your bladder and bowel movements easily on your mobile, then easily share the diary with your doctor. A complete urine log or a bathroom log is a basic source of data for treatment. You can use the Bladder Diary App as a comfortable water/urine reminder during the time of completing your electronic bladder diary. It's better than a water tracker. Finally, an easy way to remember to drink more water! The app further allows the automation of the urine measurement (flow rate uroflow) by using the iUFlow device which is an optional item. The iUFlow Uroflowmeter is currently available for orders in US and AUS. A detailed bladder diary may be important and useful for health issues related to kidneys, sleep behaviors, the cardiovascular system, prostate enlargement, urinary incontinence, and Lower Urinary Tract symptoms (LUTS). The app can be used freely!

About

proudP

This app allows men to discreetly measure their urine flow at home using their smartphone. It provides objective data and insights to help users understand their urinary health and prepare for conversations with their doctor.

Highlights
  • At-home urine flow testing
  • Acoustic AI measurement
  • Objective data insights
  • Symptom trend tracking
  • Printable reports for doctors
  • Privacy-focused
Currently charting
Read full description

Know Your Flow. Live with Confidence. Noticing a weak stream, frequent trips, or nighttime urination? proudP lets you check your urine flow at home using just your smartphone. Many men notice changes over time — weaker stream, more frequent bathroom trips, or waking up at night to pee. Guessing can be stressful. proudP gives you a simple way to check. ■ What is proudP? proudP is an at-home urine flow test app that uses acoustic AI to measure urine flow with your smartphone — no clinic visit required. ■ Why men use proudP • Check urine flow privately, at home • Get objective data instead of guessing • Prepare for a more informed conversation with a doctor • Designed for sensitive men’s health needs ■ How does proudP work? • Take a quick flow test using your phone • Get objective urine flow insights in under a minute • Track changes over time • Use the data to decide what to do next ■ What to expect • 1 free urine flow test included • Additional tests available in-app • Results are informational and not a medical diagnosis A simple first step Whether you’re just curious, losing sleep to nighttime bathroom trips, or noticing frequent urination, proudP helps you understand your urine flow — on your own terms. Q: Can I use proudP while taking prostate medication? A: Yes. proudP lets you track urine flow and symptoms over time, which can help you see whether things are staying stable or changing while on medication. Q: Can I track changes before or after treatment or procedures? A: Yes. proudP allows you to compare urine flow results over time, including before and after treatment or procedures. Q: Can I share results with my doctor? A: Yes. You can share objective urine flow data with your doctor, and if you connect with a participating provider, your proudP results can be delivered directly to them. For more information, please visit www.proudP.com • Terms of Use: https://www.proudp.com/terms • Privacy Policy: https://www.proudp.com/privacy About payment Upon purchase confirmation, charges are billed to your Apple ID account. For subscriptions, you can manage and cancel in your App Store account settings after subscribing. Pricing Options 1. For a Quick Check — Flow Check If you want a quick check of your urine flow, start with Flow Check. - What's included: • 3 urine flow tests • Flow rank 2. Before Seeing a Doctor — Flow Report If you're considering seeing a doctor or treatment, Flow Report helps you better understand your urinary patterns. - What's included: • Symptom scores • 3 urine flow tests • A personalized report 3. For Ongoing Monitoring — Flow Tracker Track your urine flow over time to see how it changes with medication, treatment, or procedures. - What's included: • Unlimited urine flow tests • Flow rank • Tracking change over time * Disclaimer: In the US., proudP an FDA Class 2 uroflowmetry device to measure urine flow. It is not a substitute for medical advice, diagnosis, or treatment, and does not replace professional care or the practice of medicine. Do not make medical decisions based solely on proudP. Always consult your healthcare provider, proudP is intended for adults aged 18 and older.

Screenshots

iUFlow4 screens
proudP4 screens

Verdict

The call

The clearest difference is in-app purchases: iUFlow at none against proudP's 13. iUFlow also leads on ads (none vs shown) and review sentiment (96% vs 79%). proudP's advantage is update cadence (every 11 days vs every 5 weeks) and chart position (#108 vs unranked). On price, rating, ratings volume 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. proudP sells 13 in-app purchases, starting at $19.99 per month. iUFlow asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for iUFlow against 4.7 for proudP. Both are backed by a comparable volume of ratings — 1.2K and 816 respectively. Written reviews are what separate them: 96% of iUFlow's written reviews are positive against 79% of proudP's.

UpkeepUpdate frequency

iUFlow ships an update every 5 weeks, proudP every 11 days. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 4 level
iUFlow versus proudP: the parameters behind the verdict, then further details
ParameteriUFlowproudP
PriceFreeFree
Rating4.7 (1.2K ratings)4.7 (816 ratings)
Positive reviews96.4% of reviews — better78.7% of reviews
Number of ratings1.2K — better816
Update frequencyEvery 5 weeksEvery 11 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#108 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size32 MB91 MB
Age rating4+17+
DeveloperKesem Solutions Pty LtdSoundable Health, Inc.

Customer experience

iUFlow

All ratings1,159 ratings
Positive96.5%
Neutral2.0%
Negative1.6%
Written reviews365 reviews
Positive96.4%
Neutral1.9%
Negative1.6%

proudP

All ratings816 ratings
Positive93.9%
Neutral3.3%
Negative2.8%
Written reviews47 reviews
Positive78.7%
Neutral4.3%
Negative17.0%

User reviews

iUFlow

From 1.2K App Store ratings

What we love

  • 💻 Easy to use
  • 🔍 Helpful for tracking
  • 📊 Useful reports
  • 🤳 Convenient to use on phone
  • 🆓 Free app

Room to improve

  • 🐛 Crashes or freezes
  • 📈 Needs more data visualization
  • ⚙️ Clunky interface
  • 🕰️ Inconvenient time entry
  • 🔒 Privacy concerns with personal info required

proudP

From 816 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Intuitive and accurate
  • 📊 Helpful for tracking health data
  • 💡 Innovative technology
  • 🏥 Recommended by doctors

Room to improve

  • 🔒 Paywall to access full features
  • 🔢 Inaccurate measurements
  • 🚫 Not compatible with all devices
  • 🚫 Only for men

Bugs and requests

iUFlow

Reported bugs

3 issues
  • Diary data not syncing properly
  • Inconsistent data display in reports
  • Crashes when updating the app

Requested features

5 requests
  • Add Apple Watch support
  • Allow editing of past entries
  • Add bowel movement tracking
  • Provide more measurement options (e.g. duration, guesstimate)
  • Integrate with other health apps

proudP

Reported bugs

3 issues
  • App crashes on certain devices
  • Recording issues with long pauses
  • Inconsistent volume/flow measurements

Requested features

5 requests
  • Export data to PDF/Excel
  • Comparison to healthy baselines
  • Automatic interval tracking
  • Apple Watch app
  • More medication-related information

In-app purchases

None

iUFlow

No in-app purchases

13 purchases

proudP

Subscriptions5
  • Monthly - Unlimited access$19.991 Month
  • Premium - Unlimited access$19.991 Month
  • Premium - Unlimited access7 Days trial$19.991 Month
Show 2 more
  • Premium - Unlimited access$99.991 Year
  • Premium - Unlimited access3 Days trial$119.991 Year
One-time8
  • Just 3 days - A perfect start$2.99
  • Check now (One-time purchase)$9.99
  • Quick Starter$12.99
Show 5 more
  • Just 1 month - A perfect start$19.99
  • Basic Check-up$23.99
  • One-Time Test$29.99
  • Baseline Check$49.99
  • One-Time Test$49.99

Questions

Is iUFlow free?
iUFlow is free to download, with no in-app purchases.
Is proudP free?
proudP is free to download, with in-app purchases available.
Which has better reviews, iUFlow or proudP?
iUFlow and proudP are both rated 4.7 out of 5 on the App Store, from 1.2K and 816 ratings respectively.
Do iUFlow or proudP have ads?
proudP shows ads; iUFlow does not.
Which is updated more often, iUFlow or proudP?
iUFlow ships an update every 5 weeks, and proudP every 11 days. Most recently, iUFlow was updated on September 20, 2026 and proudP on September 22, 2026.

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