iUFlow vs Nelaton
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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!
Nelaton
This app helps individuals manage intermittent bladder catheterization by tracking procedures, supplies, and fluid balance. It provides smart timers, personalized reminders, and a journal to share with healthcare providers.
- Smart interval timer for catheterization schedule
- Catheter and supply inventory tracking
- Fluid intake and urine output monitoring
- Self-catheterization journal
- Personalized reminders
- Share data with doctor
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Nelaton — your personal assistant for self-catheterization. When your body does not give you a signal, you need a system you can trust. Nelaton is designed for people who have been prescribed clean intermittent self-catheterization of the bladder (CIC/CISC). It is an all-in-one digital system that helps turn a complex medical routine into a clear and organized process. Follow your catheterization schedule without doing the math in your head. You no longer need to constantly calculate intervals on your own — Nelaton helps you build your self-catheterization schedule and stick to it. According to clinical guidelines, regular self-catheterization and volume control are important for reducing the risk of bladder overfilling and related complications. With Nelaton, everything is under control: Smart Timer Automatically calculates the next recommended procedure time. Set up to 4 different intervals during the day, night mode, and personalized reminders. Real-Time Monitoring (Smart Bladder) Track bladder filling in real time. A unique algorithm predicts the current urine volume in the bladder and gives you a “yellow signal” — a warning about the risk of overfilling. Intelligent Diary Store and analyze your data in one place. Log catheterizations, urine volume and characteristics, fluid intake, spasms, natural urination, and leakage episodes. Analytics and Easy Share Get a quick assessment of your diary with Intelligent Analysis and share data with your doctor, parent, or caregiver. Supplies (Stocks) The app helps you track catheters and related supplies, shows how many days of stock you have left, and includes a trip calculator. Daily Schedule A clear dynamic timeline shows completed and upcoming procedures, helping you visually assess your routine throughout the day. Nelaton helps make self-catheterization more predictable — at home, at work, and while traveling. Try Nelaton free for 7 days with full access to all features. Apple Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: iUFlow at 4.7 against Nelaton's 3.4. iUFlow also leads on review sentiment (96% vs 57%) and in-app purchases (none vs 3). On price, ads 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
Both are free to download. Nelaton sells 3 in-app purchases, starting at $9.99 per month. iUFlow asks for nothing beyond the download.
iUFlow holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: iUFlow has 1.2K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 96% of iUFlow's written reviews are positive against 57% of Nelaton's.
iUFlow ships an update every 5 weeks, Nelaton every 3 months. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | iUFlow | Nelaton |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.2K ratings) — better | 3.4 (5 ratings) |
| Positive reviews | 96.4% of reviews — better | 57.1% of reviews |
| Number of ratings | 1.2K — better | 5 |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 32 MB | 63 MB |
| Age rating | 4+ | 17+ |
| Developer | Kesem Solutions Pty Ltd | Ulibkin |
Customer experience
iUFlow
Nelaton
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
Nelaton
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iUFlow
No in-app purchases
Nelaton
- Nelaton Care Monthly$9.991 Month
- Nelaton Care Yearly7 Days trial$69.991 Year
- Nelaton Care Lifetime$149.00







