# Histology vs Histo!

The clearest difference is review sentiment: Histo! at 100% against Histology's 33%. Histo! also leads on rating (5.0 vs 3.7) and ratings volume (29 vs 3). Histology's advantage is price (Free vs $9.99) and iOS requirement (9.0 vs 13.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Histology is free to download; Histo! costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Histo! holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Histo! has 29 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Histology's written reviews are positive against 100% of Histo!'s.

Histology ships an update every 10 months, Histo! every 11 months. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Histology | Histo! |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/histology-basic-tissues/id1001607947/reviews) | **[5.0 (29 ratings)](https://appshunter.io/ios/app/histo/id1128927858/reviews)** |
| Number of ratings | 3 | **29** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 11 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#67** |
| Size | 32 MB | 456 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [The University of Michigan](https://appshunter.io/developer/380339599) | [John Ash](https://appshunter.io/developer/1128927857) |

## What reviewers say

### Histology

[App page](https://appshunter.io/ios/app/histology-basic-tissues/id1001607947)

This study aid offers self-testing with micrographs of basic human body tissues. It covers cell biology, epithelia, glands, connective tissue, muscle, and the peripheral nervous system.

**Highlights:** Micrograph self-testing, Six sets of basic tissue coverage, Cell Biology for Histologists, Epithelia and Glands, Connective Tissue and Muscle, Peripheral Nervous System

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

**In-app purchases:** none


### Histo!

[App page](https://appshunter.io/ios/app/histo/id1128927858)

**Currently charting:** #67 Top Paid · Medical (US App Store)

This medical study aid helps users learn and test their knowledge of histology. It features a vast library of identification slides, interactive learning modes, and a search function for efficient study.

**Highlights:** 2179 identification slides, 19 Main Topics and 148 Subtopics, Offline functionality, Labeled slide mode with interactive labels, Learn, Quiz, and Test modes, Marking and review of slides, Searchable keywords

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Histology free?

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

### Is Histo! free?

Histo! costs $9.99, with no in-app purchases.

### Which has better reviews, Histology or Histo!?

Histo! is rated higher. Histology averages 3.7 out of 5 from 3 ratings, while Histo! averages 5.0 from 29 ratings.

### Do Histology or Histo! have ads?

Neither Histology nor Histo! shows ads.

### Which is updated more often, Histology or Histo!?

Histology ships an update every 10 months, and Histo! every 11 months. Most recently, Histology was updated on September 10, 2026 and Histo! on September 26, 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.*