# ChainReaction: Chem 100 — General chemistry, game style

> General chemistry, game style (iPhone/iPad app by Blackfox Media LLC.)

- Source: https://appshunter.io/ios/app/chainreaction-chem-100/id6791350217 (this page in markdown: same URL + `.md`)
- Developer: [Blackfox Media LLC](https://appshunter.io/developer/6784485016)
- Category: Education, Medical
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 6 MB
- Languages: American English
- Released: 2026-07-22
- Data updated: 2026-08-22
- User reviews in markdown: https://appshunter.io/ios/app/chainreaction-chem-100/id6791350217/reviews.md

## What is ChainReaction?

Chain Reaction: Chem 100 turns a full year of general chemistry into a game you'll actually want to play.
LEARN THE ENTIRE YEAR
21 chapters spanning Chem 1A and 1B — measurement, atomic structure, electrons, periodicity, bonding, molecular shape, nomenclature, stoichiometry, reactions, solutions, gases, thermodynamics, kinetics, equilibrium, acids & bases, intermolecular forces, electrochemistry, solubility, nuclear, and organic chemistry. Every chapter includes key equations, worked examples, and a clinical-relevance note connecting the chemistry to medicine.
DRILL IT AS A GAME
The Timed Challenge races you across every topic. Chain correct answers to build your streak multiplier, watch the clock, and climb levels as questions get harder. Three lives — miss and one is gone. Every answer comes with a concise explanation, so even a miss teaches you something.
BUILT FOR MED & PRE-MED
Written for students headed into medicine: the curriculum emphasizes the chemistry that shows up in physiology, pharmacology, and the clinic — buffers and blood pH, gas laws and ventilation, kinetics and drug metabolism, electrochemistry and the ECG.
• 21 complete chapters with worked examples
• Hundreds of curated conceptual questions plus generated element questions
• Streak multipliers, levels, lives, and an all-time best score
• Clinical-relevance notes in every chapter
• Clean, dark, distraction-free design


## Version history (last 3 releases)

### 1.1.1 — 2026-08-19

Minor improvements and updates.

### 1.1 — 2026-07-30

New for this version: Expanded explanation of lone pairs and mole calaculations. Increased instruction on Chemical Equations.

### 1.0 — 2026-07-22

No release notes.

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All apps by Blackfox Media LLC: https://appshunter.io/developer/6784485016

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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 2026-08-22.*