# Field Guide vs Introductory Psychology Tutor

The clearest difference is in-app purchases: Field Guide at none against Introductory Psychology Tutor's 1. Introductory Psychology Tutor's advantage is update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Introductory Psychology Tutor sells 1 one-off in-app purchase. Field Guide asks for nothing beyond the download.

Field Guide ships an update monthly, Introductory Psychology Tutor every 2 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Field Guide | Introductory Psychology Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 9 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [4fives Entertainment, LLC](https://appshunter.io/developer/6781844927) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## 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


### Introductory Psychology Tutor

[App page](https://appshunter.io/ios/app/introductory-psychology-tutor/id6813307510)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Introductory Psychology Tutor | $4.99 | one-time |


## Frequently asked questions

### Is Field Guide free?

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

### Is Introductory Psychology Tutor free?

Introductory Psychology Tutor is free to download, with in-app purchases available.

### Do Field Guide or Introductory Psychology Tutor have ads?

Neither Field Guide nor Introductory Psychology Tutor shows ads.

### Which is updated more often, Field Guide or Introductory Psychology Tutor?

Field Guide ships an update monthly, and Introductory Psychology Tutor every 2 days. Most recently, Field Guide was updated on October 31, 2026 and Introductory Psychology Tutor on November 6, 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.*