# CellAtlas vs ViviCell

The clearest difference is rating: ViviCell at 5.0 against CellAtlas's 3.2. ViviCell also leads on review sentiment (100% vs 84%). CellAtlas's advantage is ratings volume (22 vs 2) and iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ViviCell holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: CellAtlas has 22 ratings behind it against 2, 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 100% of ViviCell's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CellAtlas | ViviCell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (22 ratings)](https://appshunter.io/ios/app/cellatlas/id413226907/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vivicell-hematology-study/id6782113774/reviews)** |
| Number of ratings | **22** | 2 |
| Positive reviews | 84.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 106 MB | 55 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [CellaVision](https://appshunter.io/developer/1185675201) | [Alexan Berberian](https://appshunter.io/developer/6782113776) |

## What reviewers say

### CellAtlas

[App page](https://appshunter.io/ios/app/cellatlas/id413226907)

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.

**Highlights:** Blood cell morphology guide, Expert-written mini lectures, Extensive cell image database, CellQuiz game, Knowledge testing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for learning morphology
- 👍 Helpful study tool
- 👍 Fun quiz format
- 👍 Easy to navigate
- 👍 Good for review

**What reviewers complain about**

- ⏰ Ridiculous timer
- ⏰ Too little time
- ⏰ Timer causes mistakes
- ⏰ Timer prevents practice
- 🐛 Quiz is broken/rigged

**Reported bugs**

- 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

**Requested features**

- Remove timer option
- Untimed mode
- More time for quizzes
- Quizzes for specific cells/sections
- More images/examples


### ViviCell

[App page](https://appshunter.io/ios/app/vivicell-hematology-study/id6782113774)

Master hematology with structured lessons, flashcards, quizzes, and real microscopy practice. This offline app offers guided learning, spaced repetition, and detailed visual atlases for students and professionals. Track progress and identify weak areas for effective study.

**Highlights:** Structured hematology modules, Spaced-repetition flashcards, Quiz questions with explanations, Clinical case studies, Real microscopy image atlas, Cell-identification practice, Progress tracking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CellAtlas free?

CellAtlas is free to download, with no in-app purchases.

### Is ViviCell free?

ViviCell is free to download, with no in-app purchases.

### Which has better reviews, CellAtlas or ViviCell?

ViviCell is rated higher. CellAtlas averages 3.2 out of 5 from 22 ratings, while ViviCell averages 5.0 from 2 ratings.

### Do CellAtlas or ViviCell have ads?

Neither CellAtlas nor ViviCell shows ads.

### Which is updated more often, CellAtlas or ViviCell?

CellAtlas ships an update every 2 months, and ViviCell every 2 months. Most recently, CellAtlas was updated on November 1, 2026 and ViviCell on October 31, 2026.

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