# OneView DPS vs RBCX Calculation Tool

The clearest difference is rating: RBCX Calculation Tool at 4.8 against OneView DPS's 3.9. OneView DPS's advantage is update cadence (every 3 weeks vs every 15 months) and ratings volume (96 vs 5). 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.

RBCX Calculation Tool holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: OneView DPS has 96 ratings behind it against 5, so its average is the more settled of the two.

OneView DPS ships an update every 3 weeks, RBCX Calculation Tool every 15 months. The most recent releases landed on September 30, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | OneView DPS | RBCX Calculation Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (96 ratings)](https://appshunter.io/ios/app/oneview-dps/id1388080488/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/rbcx-calculation-tool/id1457982121/reviews)** |
| Number of ratings | **96** | 5 |
| Positive reviews | 9.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 15 months |
| Monetization | Free | Free |
| Size | 62 MB | 26 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Falcon, LLC](https://appshunter.io/developer/715710672) | [Terumo BCT](https://appshunter.io/developer/1023483386) |

## What reviewers say

### OneView DPS

[App page](https://appshunter.io/ios/app/oneview-dps/id1388080488)

Streamline patient care for nephrologists managing multiple facilities. This app centralizes patient information, simplifies documentation, and provides quick access to critical data, allowing more time for direct patient interaction.

**Highlights:** Centralized patient information, Simplified documentation workflows, Timeline view of patient data, Document patient encounters, Review and manage orders, Biometric login options, Receive time-sensitive task notifications

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### RBCX Calculation Tool

[App page](https://appshunter.io/ios/app/rbcx-calculation-tool/id1457982121)

This medical tool assists healthcare professionals in estimating the required replacement fluid volume for red blood cell exchange procedures on the Spectra Optia system. It calculates volumes based on patient and fluid data to achieve target Hct and FCR, and can suggest custom primes.

**Highlights:** Estimate replacement fluid volume, Calculate target Hct and FCR, Determine custom prime recommendation, Uses patient and fluid data, Supports Spectra Optia system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneView DPS free?

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

### Is RBCX Calculation Tool free?

RBCX Calculation Tool is free to download, with no in-app purchases.

### Which has better reviews, OneView DPS or RBCX Calculation Tool?

RBCX Calculation Tool is rated higher. OneView DPS averages 3.9 out of 5 from 96 ratings, while RBCX Calculation Tool averages 4.8 from 5 ratings.

### Do OneView DPS or RBCX Calculation Tool have ads?

Neither OneView DPS nor RBCX Calculation Tool shows ads.

### Which is updated more often, OneView DPS or RBCX Calculation Tool?

OneView DPS ships an update every 3 weeks, and RBCX Calculation Tool every 15 months. Most recently, OneView DPS was updated on September 30, 2026 and RBCX Calculation Tool on September 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.*