# iUFlow vs iLARS

The clearest difference is update cadence: iLARS at every 3 weeks against iUFlow's every 5 weeks. iUFlow's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

iUFlow ships an update every 5 weeks, iLARS every 3 weeks. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iUFlow | iLARS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/iuflow-voiding-bladder-diary/id935581221/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 96.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 32 MB | 20 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kesem Solutions Pty Ltd](https://appshunter.io/developer/1751494198) | [ABBA GROUP, MB](https://appshunter.io/developer/1851033422) |

## 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


### iLARS

[App page](https://appshunter.io/ios/app/ilars/id6754943240)

**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 iLARS free?

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

### Do iUFlow or iLARS have ads?

Neither iUFlow nor iLARS shows ads.

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

iUFlow ships an update every 5 weeks, and iLARS every 3 weeks. Most recently, iUFlow was updated on October 11, 2026 and iLARS on October 7, 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.*