# EconGraph LAB

> EconGraph LAB (iPhone/iPad app by Dohyung Woo.)

- Source: https://appshunter.io/ios/app/econgraph-lab/id6759818020 (this page in markdown: same URL + `.md`)
- Developer: [Dohyung Woo](https://appshunter.io/developer/1875720581)
- Category: Education, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 2 MB
- Languages: American English
- Released: 2026-03-30
- Data updated: 2026-06-05
- User reviews in markdown: https://appshunter.io/ios/app/econgraph-lab/id6759818020/reviews.md

## What is EconGraph LAB?

Multiple models: Demand-Supply, Tax/Subsidy, Price Controls, Monopoly, PPF, AD-AS, IS-LM, Externality, Labor Market, Lorenz Curve, and more
- Instant visual feedback when changing parameters
- Policy Lab to compare before/after outcomes against a baseline
- Interpretation panel and guide for concept-focused learning
- Notes for saving class and study snapshots

This app is an educational support tool and does not provide investment or policy advice.


## Version history (last 2 releases)

### 1.0.1 — 2026-03-30

Improved teaching notes with model assumptions, cautions, misconceptions, and classroom examples. Refined small-screen layout and fixed chart consistency in the perfect competition view.

### 1.0 — 2026-03-03

No release notes.

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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 2026-06-05.*