Comparison

RBCX Calculation Tool vs CTCAE 5 Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Estimate replacement fluid volume
  • Calculate target Hct and FCR
  • Determine custom prime recommendation
  • Uses patient and fluid data
  • Supports Spectra Optia system
Features
Read full description

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.

About

CTCAE 5 Pro

This app helps review and take notes on CTCAE documents. It offers local data storage for privacy and premium features like version comparison and advanced note-taking with a subscription.

Highlights
  • Streamlined CTCAE Document Access
  • Local data storage for enhanced privacy
  • Version comparison tool
  • Advanced chronological note-taking with hashtags
  • Custom app creation from spreadsheets
  • Flexible backup and archiving (XLSX, CSV)
Features
Read full description

CTCAE 5 Pro is designed to assist in the documentation, review, and reference of CTCAE-related information. This app is intended for informational support and is not designed for medical purposes such as diagnosis, clinical decision-making, or treatment recommendations. Users are responsible for verifying all information and making clinical decisions. ::::::::: Standard features (available to all users) :::::: - Streamlined CTCAE Document Access - Easily navigate CTCAE 5.0 documents using an intuitive interface. - Enhanced privacy with local data storage - protect your data by storing it locally instead of relying on cloud services, ensuring privacy and control. ::::::::: Premium Features (available with subscription) ::::::: - Version Comparison Tool - Easily compare different versions of CTCAE 5.0 and 4.03. - Advanced Notes feature - allows you to record CTCAEs in chronological order. You can also use hashtags and other features to efficiently organize and track notes for important information. - Custom App Creation Feature - Simply import a spreadsheet and convert it into a list app. No programming knowledge is required. - Flexible backup and archiving solution - easily back up and archive data in formats such as XLSX and CSV for versatility and accessibility. - More features are available in the Premium version. Note: With the Premium feature, a minimal number of files are automatically stored in a secure iCloud Drive to resume link information between files. This can be turned off based on user preference.

Screenshots

RBCX Calculation Tool4 screens
CTCAE 5 Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: RBCX Calculation Tool at none against CTCAE 5 Pro's 2. CTCAE 5 Pro's advantage is update cadence (every 5 weeks vs every 15 months) and ratings volume (38 vs 5). On price, rating, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CTCAE 5 Pro sells 2 in-app purchases, starting at $1.99 per month. RBCX Calculation Tool asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for RBCX Calculation Tool against 4.8 for CTCAE 5 Pro. That said, the two scores are not equally well evidenced: CTCAE 5 Pro has 38 ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

RBCX Calculation Tool ships an update every 15 months, CTCAE 5 Pro every 5 weeks. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
RBCX Calculation Tool versus CTCAE 5 Pro: the parameters behind the verdict, then further details
ParameterRBCX Calculation ToolCTCAE 5 Pro
PriceFreeFree
Rating4.8 (5 ratings)4.8 (38 ratings)
Positive reviews—0.0% of reviews
Number of ratings538 — better
Update frequencyEvery 15 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.5 — better
Further details — not scored
Size26 MB60 MB
Age rating4+17+
DeveloperTerumo BCTKoichiro Watanabe

Customer experience

RBCX Calculation Tool

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CTCAE 5 Pro

All ratings38 ratings
Positive97.4%
Neutral0.0%
Negative2.6%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

RBCX Calculation Tool

No in-app purchases

2 purchases

CTCAE 5 Pro

Subscriptions2
  • Monthly subscription7 Days trial$1.991 Month
  • Annual subscription7 Days trial$9.991 Year

Questions

Is RBCX Calculation Tool free?
RBCX Calculation Tool is free to download, with no in-app purchases.
Is CTCAE 5 Pro free?
CTCAE 5 Pro is free to download, with in-app purchases available.
Which has better reviews, RBCX Calculation Tool or CTCAE 5 Pro?
RBCX Calculation Tool and CTCAE 5 Pro are both rated 4.8 out of 5 on the App Store, from 5 and 38 ratings respectively.
Do RBCX Calculation Tool or CTCAE 5 Pro have ads?
Neither RBCX Calculation Tool nor CTCAE 5 Pro shows ads.
Which is updated more often, RBCX Calculation Tool or CTCAE 5 Pro?
RBCX Calculation Tool ships an update every 15 months, and CTCAE 5 Pro every 5 weeks. Most recently, RBCX Calculation Tool was updated on October 11, 2026 and CTCAE 5 Pro on October 9, 2026.

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