# Cyl Duration vs Traumasoft EPCR

The clearest difference is review sentiment: Cyl Duration at 46% against Traumasoft EPCR's 0%. Cyl Duration also leads on rating (4.6 vs 1.4) and iOS requirement (10.0 vs 15.0). Traumasoft EPCR's advantage is update cadence (every 3 months vs every 49 months) and ratings volume (37 vs 11). 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.

Cyl Duration holds the better App Store score, 4.6 against 1.4. Both are backed by a comparable volume of ratings — 11 and 37 respectively. Written reviews point the same way: 46% of Cyl Duration's written reviews are positive against 0% of Traumasoft EPCR's.

Cyl Duration ships an update every 49 months, Traumasoft EPCR every 3 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Cyl Duration | Traumasoft EPCR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/cyl-duration/id447311122/reviews)** | [1.4 (37 ratings)](https://appshunter.io/ios/app/traumasoft-epcr/id1584364453/reviews) |
| Number of ratings | 11 | **37** |
| Positive reviews | **46.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 17 MB | 83 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Responsive Respiratory, Inc.](https://appshunter.io/developer/447311125) | [Traumasoft](https://appshunter.io/developer/551637235) |

## What reviewers say

### Cyl Duration

[App page](https://appshunter.io/ios/app/cyl-duration/id447311122)

Calculates remaining oxygen in a cylinder for ambulatory users. Input device, liter flow, and cylinder size for precise remaining hours and minutes. Provides peace of mind for oxygen users on the go.

**Highlights:** Calculate remaining oxygen hours/minutes, Input device settings, Input liter flow, Input cylinder size, Precise readout

**Features:** macOS Compatibility

**In-app purchases:** none


### Traumasoft EPCR

[App page](https://appshunter.io/ios/app/traumasoft-epcr/id1584364453)

This mobile application provides a streamlined experience for managing medical runs and accessing CAD data. It offers offline functionality for creating runs and syncs all data to the cloud, keeping users updated on current calls.

**Highlights:** Mobile CAD data access, Offline run creation, Cloud data synchronization, Real-time call updates, Faster and smoother performance

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

**In-app purchases:** none


## Frequently asked questions

### Is Cyl Duration free?

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

### Is Traumasoft EPCR free?

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

### Which has better reviews, Cyl Duration or Traumasoft EPCR?

Cyl Duration is rated higher. Cyl Duration averages 4.6 out of 5 from 11 ratings, while Traumasoft EPCR averages 1.4 from 37 ratings.

### Do Cyl Duration or Traumasoft EPCR have ads?

Neither Cyl Duration nor Traumasoft EPCR shows ads.

### Which is updated more often, Cyl Duration or Traumasoft EPCR?

Cyl Duration ships an update every 49 months, and Traumasoft EPCR every 3 months. Most recently, Cyl Duration was updated on October 29, 2026 and Traumasoft EPCR on October 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.*