# Open Channel Analysis plus — OCA

> OCA (iPhone/iPad app by Mangrove Life SW, LLC.)

- Source: https://appshunter.io/ios/app/open-channel-analysis-plus/id1295211045 (this page in markdown: same URL + `.md`)
- Developer: [Mangrove Life SW, LLC](https://appshunter.io/developer/1295211044)
- Category: Productivity, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 50 MB
- Languages: American English
- Released: 2026-07-24
- Data updated: 2026-07-25
- User reviews in markdown: https://appshunter.io/ios/app/open-channel-analysis-plus/id1295211045/reviews.md

## What is Open Channel Analysis plus?

App allows for a quick analysis of various open channel configurations in either english or metric units. A flow can be entered or calulated using the built in flow estimator. Flows can be calculated using the rational method  with supplied intensities for Florida, Texas and NOAA data. Intensity can also be entered manually to compute runoff rates. Flows also can be computed using the Santa Barbara or SCS Unit hydrographic methods. Various channel configurations can be selected and analyzed for normal depth and critical depth. Backwater computations can also be performed for a specified distance along the channel given a starting depth.

The backwater profile is computed using the direct step methodology for profile computations. All hydraulic calculations are based on the manning's equations. Feel free to email me if you have any questions regarding the company or the applications we produce.

The main goal of this software is to allow individuals to be able to make more accurate estimates of deign conditions whether in the field, a meeting or in the office. So by the time you start finalizing a design , you will already have a head start the hydraulic constraints for your specific project.

## Chart rankings

- #188 in Top Paid · Productivity (US App Store)


## Version history (last 1 release)

### 2.9.8 — 2026-07-24

No release notes.

## More apps by Mangrove Life SW, LLC

- [SCUS](https://appshunter.io/ios/app/scus/id1519127696)

All apps by Mangrove Life SW, LLC: https://appshunter.io/developer/1295211044

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-25.*