# Protein Guide vs Hippocampers

The clearest difference is review sentiment: Hippocampers at 100% against Protein Guide's 50%. 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.

Protein Guide ships an update every 9 months, Hippocampers every 13 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Protein Guide | Hippocampers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (45 ratings)](https://appshunter.io/ios/app/protein-guide/id1375157917/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 224 MB | 71 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Axton Pitt](https://appshunter.io/developer/957165645) | [arludo Pty Ltd](https://appshunter.io/developer/1023251086) |

## What reviewers say

### Protein Guide

[App page](https://appshunter.io/ios/app/protein-guide/id1375157917)

Explore the intricate stages of protein structure with detailed diagrams, explanations, and animations. This app serves as a valuable reference for both beginners and experienced individuals, offering insights into unique properties and biological functions.

**Highlights:** Detailed diagrams of protein structure, Explanations of protein stages, Animations of protein structures, Information on unique properties and functions, Example proteins demonstrating structural aspects, ClassKit integration for teachers

**Features:** macOS Compatibility

**In-app purchases:** none


### Hippocampers

[App page](https://appshunter.io/ios/app/hippocampers/id1477937644)

Explore the brain's regions and functions through engaging gameplay. Navigate different areas of the brain in a campervan, identifying locations and their roles. This educational tool helps users, including teachers, understand brain anatomy and student comprehension.

**Highlights:** Explore brain regions in a campervan, Identify brain locations by function, Three distinct gameplay stages, Familiarize with brain anatomy, Track student comprehension

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

**In-app purchases:** none


## Frequently asked questions

### Is Protein Guide free?

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

### Is Hippocampers free?

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

### Do Protein Guide or Hippocampers have ads?

Neither Protein Guide nor Hippocampers shows ads.

### Which is updated more often, Protein Guide or Hippocampers?

Protein Guide ships an update every 9 months, and Hippocampers every 13 months. Most recently, Protein Guide was updated on October 24, 2026 and Hippocampers on October 24, 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.*