# iUFlow vs Glean UDS

The clearest difference is ratings volume: iUFlow at 1.2K against Glean UDS's 10. iUFlow also leads on iOS requirement (11.0 vs 13.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for iUFlow against 4.6 for Glean UDS. That said, the two scores are not equally well evidenced: iUFlow has 1.2K ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 96% of iUFlow's written reviews are positive against 100% of Glean UDS's.

iUFlow ships an update every 5 weeks, Glean UDS every 2 months. The most recent releases landed on October 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | iUFlow | Glean UDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/iuflow-voiding-bladder-diary/id935581221/reviews)** | [4.6 (10 ratings)](https://appshunter.io/ios/app/glean-uds/id6744753288/reviews) |
| Number of ratings | **1.2K** | 10 |
| Positive reviews | 96.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 32 MB | 80 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kesem Solutions Pty Ltd](https://appshunter.io/developer/1751494198) | [Bright Uro, Inc.](https://appshunter.io/developer/1784514081) |

## 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


### Glean UDS

[App page](https://appshunter.io/ios/app/glean-uds/id6744753288)

This medical app allows patients to log bladder events like urges, leaks, and fluid intake during a urodynamics study. Data is automatically uploaded to the cloud for clinician analysis. It is not a substitute for professional medical advice.

**Highlights:** Log bladder events (urge, leak, intake, voiding), Automatic cloud data upload, Supports urodynamics studies, FDA-cleared system component, Clinician data analysis tool

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

**In-app purchases:** none


## Frequently asked questions

### Is iUFlow free?

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

### Is Glean UDS free?

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

### Which has better reviews, iUFlow or Glean UDS?

iUFlow is rated higher. iUFlow averages 4.7 out of 5 from 1.2K ratings, while Glean UDS averages 4.6 from 10 ratings.

### Do iUFlow or Glean UDS have ads?

Neither iUFlow nor Glean UDS shows ads.

### Which is updated more often, iUFlow or Glean UDS?

iUFlow ships an update every 5 weeks, and Glean UDS every 2 months. Most recently, iUFlow was updated on October 11, 2026 and Glean UDS on September 24, 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.*