# iUFlow vs Nelaton

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.

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.

## The numbers

| Metric | iUFlow | Nelaton |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/iuflow-voiding-bladder-diary/id935581221/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/nelaton-self-catheterization/id6741067645/reviews) |
| Number of ratings | **1.2K** | 5 |
| Positive reviews | **96.4% of reviews** | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 63 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kesem Solutions Pty Ltd](https://appshunter.io/developer/1751494198) | [Ulibkin](https://appshunter.io/developer/1792847888) |

## What reviewers say

### iUFlow

[App page](https://appshunter.io/ios/app/iuflow-voiding-bladder-diary/id935581221)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Diary data not syncing properly
- Inconsistent data display in reports
- Crashes when updating the app

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/nelaton-self-catheterization/id6741067645)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nelaton Care Monthly | $9.99 | per month |
| Nelaton Care Yearly | $69.99 | per year |
| Nelaton Care Lifetime | $149.00 | one-time |


## Frequently asked questions

### Is iUFlow free?

iUFlow is free to download, with no in-app purchases.

### Is Nelaton free?

Nelaton is free to download, with in-app purchases available.

### Which has better reviews, iUFlow or Nelaton?

iUFlow is rated higher. iUFlow averages 4.7 out of 5 from 1.2K ratings, while Nelaton averages 3.4 from 5 ratings.

### Do iUFlow or Nelaton have ads?

Neither iUFlow nor Nelaton shows ads.

### Which is updated more often, iUFlow or Nelaton?

iUFlow ships an update every 5 weeks, and Nelaton every 3 months. Most recently, iUFlow was updated on October 11, 2026 and Nelaton on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*