# Kegel Study vs Cystomanometer

The clearest difference is update cadence: Cystomanometer at every 5 weeks against Kegel Study's every 21 months. Kegel Study's advantage is iOS requirement (8.0 vs 13.0). 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.

Kegel Study ships an update every 21 months, Cystomanometer every 5 weeks. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Kegel Study | Cystomanometer |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 85 MB | 42 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [University of California at San Francisco](https://appshunter.io/developer/446489325) | [The University of Iowa (ITS)](https://appshunter.io/developer/322967701) |

## What reviewers say

### Kegel Study

[App page](https://appshunter.io/ios/app/kegel-study/id1215415506)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Kegel Study free?

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

### Is Cystomanometer free?

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

### Do Kegel Study or Cystomanometer have ads?

Neither Kegel Study nor Cystomanometer shows ads.

### Which is updated more often, Kegel Study or Cystomanometer?

Kegel Study ships an update every 21 months, and Cystomanometer every 5 weeks. Most recently, Kegel Study was updated on October 15, 2026 and Cystomanometer on October 3, 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.*