# ProviderHub vs RBCX Calculation Tool

The clearest difference is rating: RBCX Calculation Tool at 4.8 against ProviderHub's 3.5. ProviderHub's advantage is update cadence (every 2 months vs every 15 months) and ratings volume (31 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 3.5. That said, the two scores are not equally well evidenced: ProviderHub has 31 ratings behind it against 5, so its average is the more settled of the two.

ProviderHub ships an update every 2 months, RBCX Calculation Tool every 15 months. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ProviderHub | RBCX Calculation Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (31 ratings)](https://appshunter.io/ios/app/providerhub/id1353545442/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/rbcx-calculation-tool/id1457982121/reviews)** |
| Number of ratings | **31** | 5 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Free | Free |
| Size | 32 MB | 26 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Fresenius Medical Care North America](https://appshunter.io/developer/665954406) | [Terumo BCT](https://appshunter.io/developer/1023483386) |

## What reviewers say

### ProviderHub

[App page](https://appshunter.io/ios/app/providerhub/id1353545442)

Access patient medical records 24/7, including labs, medications, and allergies. Create notes and sign orders efficiently from any location. Manage patient rounding lists and document visits on your mobile device.

**Highlights:** 24/7 patient medical record access, Review labs, medications, and allergies, Create notes and sign orders, Filter patient rounding lists, Document patient visits on-the-go

**Features:** macOS Compatibility, 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 ProviderHub free?

ProviderHub 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, ProviderHub or RBCX Calculation Tool?

RBCX Calculation Tool is rated higher. ProviderHub averages 3.5 out of 5 from 31 ratings, while RBCX Calculation Tool averages 4.8 from 5 ratings.

### Do ProviderHub or RBCX Calculation Tool have ads?

Neither ProviderHub nor RBCX Calculation Tool shows ads.

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

ProviderHub ships an update every 2 months, and RBCX Calculation Tool every 15 months. Most recently, ProviderHub was updated on September 16, 2026 and RBCX Calculation Tool on June 1, 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.*