# iUFlow vs Post

The clearest difference is in-app purchases: iUFlow at none against Post's 1. iUFlow also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.6). Post's advantage is update cadence (every 4 days vs every 5 weeks). On price and ads there is nothing between them.

Both are free to download. Post sells 1 one-off in-app purchase. iUFlow asks for nothing beyond the download.

iUFlow ships an update every 5 weeks, Post every 4 days. Both last shipped on November 6, 2026.

## The numbers

| Metric | iUFlow | Post |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 32 MB | 2 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Kesem Solutions Pty Ltd](https://appshunter.io/developer/1751494198) | [Lilianne Sperry](https://appshunter.io/developer/1854096999) |

## 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


### Post

[App page](https://appshunter.io/ios/app/post-op-tracker-drain-log/id6819035372)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Post-Op Tracker Pro | $6.99 | one-time |


## Frequently asked questions

### Is iUFlow free?

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

### Is Post free?

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

### Do iUFlow or Post have ads?

Neither iUFlow nor Post shows ads.

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

iUFlow ships an update every 5 weeks, and Post every 4 days. Most recently, iUFlow was updated on November 6, 2026 and Post on November 6, 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.*