CellAtlas vs Protozoan Identification
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CellAtlas
Explore blood cell morphology with expert-written lectures and a vast image database. Test your knowledge with an engaging quiz game designed for efficient learning.
- Blood cell morphology guide
- Expert-written mini lectures
- Extensive cell image database
- CellQuiz game
- Knowledge testing
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Welcome to the CellAtlas Application - your guide to blood cell morphology. CellAtlas contains mini lectures written by hematology experts complemented by an extensive cell image database. The App also includes a game, CellQuiz. A fun and efficient way to test your knowledge in cell morphology. CellAtlas is a product from the medical technology company CellaVision.
Protozoan Identification
Explore a collection of protozoan images and videos. Features an interactive key, labeling activities, and practice exercises to aid in identification and study.
- Interactive dichotomous key
- Labeling activities
- Protozoan images and videos
- Practice exercises
- Study aids
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The Protozoan Identification app features Carolina images and videos. The app includes an interactive dichotomous key, 3 labeling activities for practice and study, 20 additional photos of unique protozoans, and 8 protozoan video clips. *The Lite version includes only one labeling activity, two video, and two photos.
Screenshots
Verdict
The clearest difference is review sentiment: CellAtlas at 84% against Protozoan Identification's 0%. CellAtlas also leads on rating (3.2 vs 2.0) and update cadence (every 2 months vs every 15 months). Protozoan Identification's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
CellAtlas holds the better App Store score, 3.2 against 2.0. That said, the two scores are not equally well evidenced: CellAtlas has 22 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 84% of CellAtlas's written reviews are positive against 0% of Protozoan Identification's.
CellAtlas ships an update every 2 months, Protozoan Identification every 15 months. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.
| Parameter | CellAtlas | Protozoan Identification |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (22 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 84.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 22 — better | 1 |
| Update frequency | Every 2 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 | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 106 MB | 221 MB |
| Age rating | 4+ | 4+ |
| Developer | CellaVision | Carolina Biological Supply |
Customer experience
CellAtlas
Protozoan Identification
Bugs and requests
CellAtlas
Reported bugs
6 issues- Timer is too short
- Quiz moves too slowly after correct answer
- Duplicate images that only one counts
- App not opening on some devices
- Missing WBCs
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- Layout issues on older iPhones
Requested features
22 requests- Remove timer option
- Untimed mode
- More time for quizzes
- Quizzes for specific cells/sections
- More images/examples
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- Larger database of cells
- More examples of atypical/abnormal cells
- Ability to practice specific cell types
- Option to quiz on specific cell types
- More options for tests (e.g., malignancies)
- Ability to practice maturation stages
- Zoomable slides
- Labels for cell structures
- Side-by-side cell comparison
- Save quiz results
- Add body fluid images
- Add coag cascade
- Add disease states/inclusions
- Link to LIS system
- More photos
- Updates for more cell pictures
- Support for older iPhone screens
Protozoan Identification
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CellAtlas
No in-app purchases
Protozoan Identification
No in-app purchases
Questions
Is CellAtlas free?
Is Protozoan Identification free?
Which has better reviews, CellAtlas or Protozoan Identification?
Do CellAtlas or Protozoan Identification have ads?
Which is updated more often, CellAtlas or Protozoan Identification?
Other comparisons
