# Chemguy vs ChemQuest

The clearest difference is in-app purchases: ChemQuest at none against Chemguy's 1. ChemQuest also leads on update cadence (fortnightly vs every 41 months) and iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Chemguy sells 1 one-off in-app purchase. ChemQuest asks for nothing beyond the download.

Chemguy ships an update every 41 months, ChemQuest fortnightly. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Chemguy | ChemQuest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/chemguy/id1473143126/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 41 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 72 MB | 40 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rob Lederer](https://appshunter.io/developer/1472015812) | [Fairfield University](https://appshunter.io/developer/900133908) |

## What reviewers say

### Chemguy

[App page](https://appshunter.io/ios/app/chemguy/id1473143126)

Master high school, AP, IB, and first-year university chemistry with over 200 video lessons, comprehensive notes, and over 1000 practice problems. Interactive quizzes and unit exams reinforce learning, with direct messaging support for personalized help.

**Highlights:** Over 200 video lessons, Comprehensive classroom notes, 1000+ practice problems, 100+ interactive quizzes, Unit exams, Direct messaging support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete Chemguy Course Entry | Free | one-time |


### ChemQuest

[App page](https://appshunter.io/ios/app/chemquest/id1519862519)

**In-app purchases:** none


## Frequently asked questions

### Is Chemguy free?

Chemguy is free to download, with in-app purchases available.

### Is ChemQuest free?

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

### Do Chemguy or ChemQuest have ads?

Neither Chemguy nor ChemQuest shows ads.

### Which is updated more often, Chemguy or ChemQuest?

Chemguy ships an update every 41 months, and ChemQuest fortnightly. Most recently, Chemguy was updated on November 3, 2026 and ChemQuest on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*