# Chemguy vs Chemistry Solver.

The clearest difference is review sentiment: Chemguy at 100% against Chemistry Solver.'s 0%. Chemguy also leads on monetization model (free vs free with in-app purchases) and rating (5.0 vs 4.7). Chemistry Solver.'s advantage is update cadence (every 4 months vs every 41 months) and ratings volume (77 vs 4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chemguy sells 1 one-off in-app purchase and Chemistry Solver. sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chemguy holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Chemistry Solver. has 77 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of Chemguy's written reviews are positive against 0% of Chemistry Solver.'s.

Chemguy ships an update every 41 months, Chemistry Solver. every 4 months. The most recent releases landed on September 10, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Chemguy | Chemistry Solver. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/chemguy/id1473143126/reviews)** | [4.7 (77 ratings)](https://appshunter.io/ios/app/chemistry-solver/id6502180412/reviews) |
| Number of ratings | 4 | **77** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 4 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 72 MB | 30 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rob Lederer](https://appshunter.io/developer/1472015812) | [The App Studio](https://appshunter.io/developer/1729539256) |

## 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 |


### Chemistry Solver.

[App page](https://appshunter.io/ios/app/chemistry-solver/id6502180412)

Instantly solve chemistry problems by taking a photo. An AI tutor provides step-by-step explanations to help you understand concepts and complete homework. Practice your skills with a variety of problems.

**Highlights:** Photo to solution, Interactive AI Tutor, Step-by-step guidance, Practice mode, Ad-free experience (with subscription)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Chemguy free?

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

### Is Chemistry Solver. free?

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

### Which has better reviews, Chemguy or Chemistry Solver.?

Chemguy is rated higher. Chemguy averages 5.0 out of 5 from 4 ratings, while Chemistry Solver. averages 4.7 from 77 ratings.

### Do Chemguy or Chemistry Solver. have ads?

Neither Chemguy nor Chemistry Solver. shows ads.

### Which is updated more often, Chemguy or Chemistry Solver.?

Chemguy ships an update every 41 months, and Chemistry Solver. every 4 months. Most recently, Chemguy was updated on September 10, 2026 and Chemistry Solver. on August 18, 2026.

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