CRRT Dose Calculator vs RBCX Calculation Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CRRT Dose Calculator
This medical tool calculates the effluent dose for Continuous Renal Replacement Therapy (CRRT). It supports four CRRT modalities and allows users to configure pre/post replacement flow and regional citrate anticoagulation settings.
- CRRT dose calculation
- Supports CVVHDF, CVVH, CVVHD, SCUF modalities
- Pre/post replacement flow settings
- Regional citrate anticoagulation settings
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Calculates Continuous Renal Replacement Therapy dose. This tool calculates effluent dose of CRRT. 4 modalities of CRRT are included in this tool, CVVHDF, CVVH, CVVHD and SCUF. Users are also able to select for pre and/or post replacement flow and regional citrate anticoagulation flow settings.
RBCX Calculation Tool
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.
- Estimate replacement fluid volume
- Calculate target Hct and FCR
- Determine custom prime recommendation
- Uses patient and fluid data
- Supports Spectra Optia system
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The Spectra Optia® Apheresis System RBCX Calculation Tool is intended to help medical professionals who are responsible for prescribing and performing red blood cell exchange (RBCX) procedures to estimate the volume of replacement fluid required to perform a procedure on the Spectra Optia system. Using the same patient data and the same fluid data that is entered on the Spectra Optia system, the RBCX Calculation Tool calculates and displays the estimated volume of replacement fluid required to achieve the target Hct and FCR. It can also determine whether a custom prime is recommended. While the tool is intended to help prepare for a procedure, it is not intended to be used for making medical decisions. Use of the Spectra Optia® Apheresis System RBCX Calculation Tool on iOS requires iOS version 14.0 or above. For more information about the tool, see the About page.
Screenshots
Verdict
The clearest difference is rating: RBCX Calculation Tool at 4.8 against CRRT Dose Calculator's 1.0. RBCX Calculation Tool also leads on ratings volume (6 vs 1). CRRT Dose Calculator's advantage is iOS requirement (8.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 1.0. That said, the two scores are not equally well evidenced: RBCX Calculation Tool has 6 ratings behind it against 1, so its average is the more settled of the two.
CRRT Dose Calculator ships an update every 10 months, RBCX Calculation Tool every 15 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.
| Parameter | CRRT Dose Calculator | RBCX Calculation Tool |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.8 (6 ratings) — better |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 10 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Baxter Healthcare Corporation | Terumo BCT |
Customer experience
CRRT Dose Calculator
RBCX Calculation Tool
In-app purchases
CRRT Dose Calculator
No in-app purchases
RBCX Calculation Tool
No in-app purchases
Questions
Is CRRT Dose Calculator free?
Is RBCX Calculation Tool free?
Which has better reviews, CRRT Dose Calculator or RBCX Calculation Tool?
Do CRRT Dose Calculator or RBCX Calculation Tool have ads?
Which is updated more often, CRRT Dose Calculator or RBCX Calculation Tool?
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