# Field Guide vs Underfoot

The clearest difference is in-app purchases: Field Guide at none against Underfoot's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Underfoot sells 2 in-app purchases, starting at $2.99 per month. Field Guide asks for nothing beyond the download.

## The numbers

| Metric | Field Guide | Underfoot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 9 MB | 100 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [4fives Entertainment, LLC](https://appshunter.io/developer/6781844927) | [Jason Brannon](https://appshunter.io/developer/1868090060) |

## What reviewers say

### Field Guide

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

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

**In-app purchases:** none


### Underfoot

[App page](https://appshunter.io/ios/app/underfoot-bug-field-guide/id6786962032)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Underfoot Pro | $2.99 | per month |
| Underfoot Pro Annual | $24.99 | per year |


## Frequently asked questions

### Is Field Guide free?

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

### Is Underfoot free?

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

### Do Field Guide or Underfoot have ads?

Neither Field Guide nor Underfoot 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.*