# HemeQuiz1 vs RBCX Calculation Tool

The clearest difference is price: RBCX Calculation Tool at Free against HemeQuiz1's $1.99. HemeQuiz1's advantage is update cadence (every 6 weeks vs every 15 months) and chart position (#193 vs unranked). On rating, ratings volume, ads and in-app purchases there is nothing between them.

RBCX Calculation Tool is free to download; HemeQuiz1 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HemeQuiz1 holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 15 and 6 respectively.

HemeQuiz1 ships an update every 6 weeks, RBCX Calculation Tool every 15 months. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | HemeQuiz1 | RBCX Calculation Tool |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/hemequiz1/id1293606586/reviews)** | [4.8 (6 ratings)](https://appshunter.io/ios/app/rbcx-calculation-tool/id1457982121/reviews) |
| Number of ratings | **15** | 6 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#193** | — |
| Size | 49 MB | 26 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Hooman Rashidi](https://appshunter.io/developer/1282107619) | [Terumo BCT](https://appshunter.io/developer/1023483386) |

## What reviewers say

### HemeQuiz1

[App page](https://appshunter.io/ios/app/hemequiz1/id1293606586)

**Currently charting:** #193 Top Paid · Medical (US App Store)

This app offers hundreds of hematology and hematopathology questions with expert explanations, categorized for medical students and professionals. It features randomized quizzes, visual aids, and progress tracking to enhance learning.

**Highlights:** Hundreds of hematology/hematopathology questions, Expert explanations for correct/incorrect answers, 17 distinct hematology categories, Randomized questions and answer choices, Progress tracking (graphical and numerical), Game Center capability, Customizable quiz sessions (sound/explanations)

**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 HemeQuiz1 free?

HemeQuiz1 costs $1.99, 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, HemeQuiz1 or RBCX Calculation Tool?

HemeQuiz1 is rated higher. HemeQuiz1 averages 5.0 out of 5 from 15 ratings, while RBCX Calculation Tool averages 4.8 from 6 ratings.

### Do HemeQuiz1 or RBCX Calculation Tool have ads?

Neither HemeQuiz1 nor RBCX Calculation Tool shows ads.

### Which is updated more often, HemeQuiz1 or RBCX Calculation Tool?

HemeQuiz1 ships an update every 6 weeks, and RBCX Calculation Tool every 15 months. Most recently, HemeQuiz1 was updated on November 3, 2026 and RBCX Calculation Tool on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*