# Cystomanometer vs ProstPlanAI

The clearest difference is in-app purchases: Cystomanometer at none against ProstPlanAI's 2. Cystomanometer also leads on iOS requirement (13.0 vs 26.0). ProstPlanAI's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. ProstPlanAI sells 2 in-app purchases, starting at $24.99 per month. Cystomanometer asks for nothing beyond the download.

Cystomanometer ships an update every 5 weeks, ProstPlanAI every 3 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cystomanometer | ProstPlanAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/cystomanometer/id1423279744/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 42 MB | 19 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [The University of Iowa (ITS)](https://appshunter.io/developer/322967701) | [Sergio Cardoso](https://appshunter.io/developer/1593804631) |

## What reviewers say

### Cystomanometer

[App page](https://appshunter.io/ios/app/cystomanometer/id1423279744)

This medical app pairs with a portable device to measure bladder pressure in pediatric patients with neurologic conditions. It records pressure, time, and date, storing the data on an iPhone. While it integrates with the Health app, specific categories for bladder pressure are not yet available.

**Highlights:** Bladder pressure measurement, Data collection with time and date, iPhone data storage, Health app integration (limited), Pediatric research focus

**Features:** macOS Compatibility

**In-app purchases:** none


### ProstPlanAI

[App page](https://appshunter.io/ios/app/prostplanai-urology/id6760365985)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Individual Subscription | $24.99 | per month |
| Premium Yearly Subscription | $239.00 | per year |


## Frequently asked questions

### Is Cystomanometer free?

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

### Is ProstPlanAI free?

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

### Do Cystomanometer or ProstPlanAI have ads?

Neither Cystomanometer nor ProstPlanAI shows ads.

### Which is updated more often, Cystomanometer or ProstPlanAI?

Cystomanometer ships an update every 5 weeks, and ProstPlanAI every 3 days. Most recently, Cystomanometer was updated on November 2, 2026 and ProstPlanAI on October 25, 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.*