# ChemAPex: AP Chem Prep Skills — Macro to Micro Mastery

> Macro to Micro Mastery (iPhone/iPad app by JT Scientific Consulting LLC.)

- Source: https://appshunter.io/ios/app/chemapex-ap-chem-prep-skills/id6759876200 (this page in markdown: same URL + `.md`)
- Developer: [JT Scientific Consulting LLC](https://appshunter.io/developer/1612699648)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.2 · 7 MB
- Languages: American English
- Released: 2026-03-11
- Data updated: 2026-06-17
- User reviews in markdown: https://appshunter.io/ios/app/chemapex-ap-chem-prep-skills/id6759876200/reviews.md

## What is ChemAPex?

ChemAPex helps students build AP Chemistry mastery from fundamentals to advanced crossover problems.

ChemAPex is a focused AP Chemistry study app built around skill progression and active practice.

Start with Macro-Skills:
Build core reasoning habits used across every unit, including dimensional analysis, graph interpretation, and scientific argumentation.

Move into Micro-Skills:
Study unit-based mini skills with concise concept explanations and targeted practice.

Train with Problem Solving:
Work through structured problem flows with checkpoint scaffolding and immediate mistake feedback.

Push further with Case Studies:
Tackle advanced crossover problems that combine ideas across units and reveal step-by-step walkthroughs.

Why students use ChemAPex:
- Skill-first structure from foundation to challenge.
- Practice sets designed for repetition and retention.
- Guided error feedback for common mistakes.
- Progress tracking across exercises.

Important notes:
- ChemAPex is an independent educational app.
- AP and Advanced Placement are trademarks of the College Board.
- ChemAPex is not affiliated with or endorsed by the College Board.
- Premium feature scope and pricing may change before release.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| ChemAPex Premium | $39.99 | one-time |



## Version history (last 2 releases)

### 2.0 — 2026-05-15

- Added visual learning cards for Macro-Skills and Micro-Skills.
- Improved skill explanations with clearer chemistry-specific diagrams, formulas, and reasoning flows.
- Refined Periodic Trend visuals to show effective nuclear charge, shielding, shell count, and atomic radius changes.
- Updated premium access behavior and restored normal paid-content locking.
- General polish and reliability improvements.

### 1.0 — 2026-03-12

No release notes.

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All apps by JT Scientific Consulting LLC: https://appshunter.io/developer/1612699648

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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 2026-06-17.*