# iUFlow vs AllerSpect AI

The clearest difference is ratings volume: iUFlow at 1.2K against AllerSpect AI's 2. iUFlow also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). AllerSpect AI's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases there is nothing between them.

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

AllerSpect AI holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: iUFlow has 1.2K ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | iUFlow | AllerSpect AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.2K ratings)](https://appshunter.io/ios/app/iuflow-voiding-bladder-diary/id935581221/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/allerspect-ai/id6757600638/reviews)** |
| Number of ratings | **1.2K** | 2 |
| Positive reviews | 96.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Size | 32 MB | 45 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [Kesem Solutions Pty Ltd](https://appshunter.io/developer/1751494198) | [ModuleMD LLC](https://appshunter.io/developer/488007430) |

## 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


### AllerSpect AI

[App page](https://appshunter.io/ios/app/allerspect-ai/id6757600638)

This medical tool aids allergy specialists in documenting skin test reactions. It automatically measures and grades wheal and flare, streamlines workflows, and generates patient-friendly reports. The app integrates with existing EHR systems for efficient documentation.

**Highlights:** Automatic wheal and flare measurement, Accurate reaction grading, Editable results, Patient-friendly reports, EHR integration, Secure and compliant

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iUFlow free?

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

### Is AllerSpect AI free?

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

### Which has better reviews, iUFlow or AllerSpect AI?

AllerSpect AI is rated higher. iUFlow averages 4.7 out of 5 from 1.2K ratings, while AllerSpect AI averages 5.0 from 2 ratings.

### Do iUFlow or AllerSpect AI have ads?

Neither iUFlow nor AllerSpect AI shows ads.

### Which is updated more often, iUFlow or AllerSpect AI?

iUFlow ships an update every 5 weeks, and AllerSpect AI every 5 weeks. Most recently, iUFlow was updated on October 11, 2026 and AllerSpect AI on September 29, 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.*