CytoAtlas vs RBCX Calculation Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CytoAtlas
This medical reference app offers a comprehensive cytopathology guide with over 800 high-quality images and more than 120 diagnostic entities. It features an intuitive interface for quick access to diagnostic criteria, morphologic characteristics, and relevant studies, serving as a valuable learning aid and quick reference for professionals and students.
- Over 800 high-quality slide images
- 120+ diagnostic entities
- Key morphologic characteristics
- Intuitive interface
- Zoom and pan image function
- Reference to journal articles
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CytoAtlas provides a quick and handy cytopathology reference tool focusing on diagnostic criteria. Content: - Over 800 high-quality slide images from exfoliative and aspiration cytology - Over 120 diagnostic entities in Cytopathology categorized by different organ systems - Slide images, including direct smears, cell blocks, and liquid-based preparations - Key morphologic characteristics, including architecture, nuclear, and cytologic features - Reference to journal articles and ancillary studies, if relevant Features - Intuitive and distraction-free interface - Chapters can be navigated by scrolling up and down - Images can be opened by tapping and selecting a diagnostic entity - Multiple images can be navigated by swiping across - High-quality slide images with zoom and pan function - Key features can be accessed by tapping an icon at the bottom - CytoAtlas requires an active internet to view images CytoAtlas is a learning aid for physicians, medical students, and technologists interested in cytopathology. It also provides a quick reference resource for common cytologic diagnoses. Created by Cytopathologists, the current database has high-quality slide images with morphologic descriptions and highlighted key features in over 100 diagnostic entities. In this initial release, we have included the most common entities encountered in the practice of exfoliative and aspiration cytology, including normal and malignant.
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 CytoAtlas's 4.4. CytoAtlas's advantage is update cadence (monthly vs every 15 months). On price, ratings volume, 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 4.4. Both are backed by a comparable volume of ratings — 13 and 6 respectively.
CytoAtlas ships an update monthly, RBCX Calculation Tool every 15 months. Both last shipped on October 24, 2026.
| Parameter | CytoAtlas | RBCX Calculation Tool |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (13 ratings) | 4.8 (6 ratings) — better |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 13 — better | 6 |
| Update frequency | Monthly — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 10 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | PROQMS LLC | Terumo BCT |
Customer experience
CytoAtlas
RBCX Calculation Tool
In-app purchases
CytoAtlas
No in-app purchases
RBCX Calculation Tool
No in-app purchases
Questions
Is CytoAtlas free?
Is RBCX Calculation Tool free?
Which has better reviews, CytoAtlas or RBCX Calculation Tool?
Do CytoAtlas or RBCX Calculation Tool have ads?
Which is updated more often, CytoAtlas or RBCX Calculation Tool?
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