# Field Guide: Micro Lessons — The stuff worth knowing

> The stuff worth knowing (iPhone/iPad app by 4fives Entertainment, LLC.)

- Source: https://appshunter.io/ios/app/field-guide-micro-lessons/id6781844925 (this page in markdown: same URL + `.md`)
- Developer: [4fives Entertainment, LLC](https://appshunter.io/developer/6781844927)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 9 MB
- Languages: American English
- Released: 2026-06-22
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/field-guide-micro-lessons/id6781844925/reviews.md

## What is Field Guide?

Most facts go in one ear and out the other. Field Guide is built so they don't.

Each lesson takes two or three minutes and follows a simple loop proven to build memory: you predict an answer first, you get taught one clear idea, then you're quizzed on it. Guessing before you learn is the trick that makes it stick.

Then spaced review brings each lesson back days later, right before you'd forget, so it moves into long-term memory instead of fading by tomorrow.

WHAT'S INSIDE

Hundreds of lessons across science, history, money, health, art, engineering and more
A predict → teach → check loop that's actually fun
Spaced review that schedules itself
A streak to keep you honest
Clean, calm, no-fluff design. No ads, no clutter.
Browse by subject, get a fresh lesson each day, or hit Random and learn something new right now.

Field Guide works fully offline, and new lessons arrive automatically.


## Version history (last 3 releases)

### 1.2 — 2026-08-26

Saved lessons.

Tap the bookmark on any lesson to keep it. Everything you've saved now lives on a Saved page, one tap from Today.

And since every lesson comes in three depths, the Saved page carries the same High School / College / PhD switch. Save something at College, come back to
the PhD version of it later your saved list stays put whichever level you're on.

### 1.1 — 2026-06-28

Choose your level — every lesson now comes in High School, College, and PhD versions. Plus a cleaner way to browse by subject.

### 1.0 — 2026-06-23

No release notes.

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## Related topics

[field guide](https://appshunter.io/ios/topics/field-guide) · [learn how things work](https://appshunter.io/ios/topics/learn-how-things-work)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*