# Brainbook App vs Field Guide

The clearest difference is device support: Brainbook App at 3 against Field Guide's 1. Brainbook App also leads on iOS requirement (15.1 vs 17.0). On price, 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.

## The numbers

| Metric | Brainbook App | Field Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 26 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RAYLAC, K.K.](https://appshunter.io/developer/1720058707) | [4fives Entertainment, LLC](https://appshunter.io/developer/6781844927) |

## What reviewers say

### Brainbook App

[App page](https://appshunter.io/ios/app/brainbook-app/id6751179505)

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

**In-app purchases:** none


### Field Guide

[App page](https://appshunter.io/ios/app/field-guide-micro-lessons/id6781844925)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brainbook App free?

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

### Is Field Guide free?

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

### Do Brainbook App or Field Guide have ads?

Neither Brainbook App nor Field Guide shows ads.

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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.*