# iUFlow vs Petala

The clearest difference is rating: iUFlow at 4.7 against Petala's 3.8. iUFlow also leads on update cadence (every 5 weeks vs every 18 months) and review sentiment (96% vs 67%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

iUFlow holds the better App Store score, 4.7 against 3.8. 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 67% of Petala's.

iUFlow ships an update every 5 weeks, Petala every 18 months. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iUFlow | Petala |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/iuflow-voiding-bladder-diary/id935581221/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/petala/id1522218896/reviews) |
| Number of ratings | **1.2K** | 5 |
| Positive reviews | **96.4% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 18 months |
| Monetization | Free | Free |
| Size | 32 MB | 24 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kesem Solutions Pty Ltd](https://appshunter.io/developer/1751494198) | [NUCLIMAX, UNIPESSOAL, LDA.](https://appshunter.io/developer/1522218898) |

## 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


### Petala

[App page](https://appshunter.io/ios/app/petala/id1522218896)

This app guides users through progressive pelvic floor training for conditions like vaginismus and post-childbirth recovery. It offers timed sessions, visual instructions, progress tracking, and private journaling to support users on their healing journey.

**Highlights:** Guided training sessions, Progressive training plan, Visual exercise instructions, Progress tracking, Private journaling, Gentle reminders

**In-app purchases:** none


## Frequently asked questions

### Is iUFlow free?

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

### Is Petala free?

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

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

iUFlow is rated higher. iUFlow averages 4.7 out of 5 from 1.2K ratings, while Petala averages 3.8 from 5 ratings.

### Do iUFlow or Petala have ads?

Neither iUFlow nor Petala shows ads.

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

iUFlow ships an update every 5 weeks, and Petala every 18 months. Most recently, iUFlow was updated on October 11, 2026 and Petala on October 12, 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.*