# CellAtlas vs Sketchy Learning

The clearest difference is rating: Sketchy Learning at 5.0 against CellAtlas's 3.2. Sketchy Learning also leads on update cadence (every 3 weeks vs every 2 months). CellAtlas's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Sketchy Learning sells 4 in-app purchases, starting at $289.99 per year. CellAtlas asks for nothing beyond the download.

Sketchy Learning holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 21 and 32 respectively. Written reviews complicate that: 89% of CellAtlas's written reviews are positive against 54% of Sketchy Learning's, so the app with the better star average is not the one people write more warmly about.

CellAtlas ships an update every 2 months, Sketchy Learning every 3 weeks. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CellAtlas | Sketchy Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (21 ratings)](https://appshunter.io/ios/app/cellatlas/id413226907/reviews) | **[5.0 (32 ratings)](https://appshunter.io/ios/app/sketchy-learning/id6502776327/reviews)** |
| Number of ratings | 21 | **32** |
| Positive reviews | **88.8% of reviews** | 54.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 106 MB | 68 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [CellaVision AB](https://appshunter.io/developer/1185675201) | [Sketchy Group, LLC](https://appshunter.io/developer/1247590397) |

## 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

**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


### Sketchy Learning

[App page](https://appshunter.io/ios/app/sketchy-learning/id6502776327)

This app transforms complex medical subjects into memorable visual lessons and interactive patient scenarios. It's designed to help students learn faster, master exams, and build clinical confidence. Engage with high-yield content and practice real-world reasoning.

**Highlights:** Visual lessons for memorization, Interactive patient case simulations, High-yield exam content, Quizzes and custom tests, Customizable playlists, Mobile-friendly learning

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sketchy NP 12 month | $289.99 | per year |
| MCAT Science Review 12 month | $399.99 | per year |
| Sketchy PA 12 month | $399.99 | per year |
| Medical 12 month | $459.99 | per year |

**What reviewers like**

- 🎨 Engaging visual learning
- 📚 Comprehensive medical content
- ⏱️ Time-efficient study sessions
- 🧠 Effective for long-term retention
- 🧠 Quizzes for reinforcement and feedback

**What reviewers complain about**

- 🐛 Crashes when switching to landscape mode
- 🔍 Tiny symbols and images in new layout
- 🔍 Difficult to navigate and access content
- 💰 Expensive subscription cost


## Frequently asked questions

### Is CellAtlas free?

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

### Is Sketchy Learning free?

Sketchy Learning is free to download, with in-app purchases available.

### Which has better reviews, CellAtlas or Sketchy Learning?

Sketchy Learning is rated higher. CellAtlas averages 3.2 out of 5 from 21 ratings, while Sketchy Learning averages 5.0 from 32 ratings.

### Do CellAtlas or Sketchy Learning have ads?

Sketchy Learning shows ads; CellAtlas does not.

### Which is updated more often, CellAtlas or Sketchy Learning?

CellAtlas ships an update every 2 months, and Sketchy Learning every 3 weeks. Most recently, CellAtlas was updated on September 27, 2026 and Sketchy Learning on September 30, 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.*