# Chemguy vs QuizAIfy

The clearest difference is in-app purchases: QuizAIfy at none against Chemguy's 1. QuizAIfy also leads on update cadence (every 3 days vs every 41 months) and iOS requirement (12.0 vs 15.6). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Chemguy against 5.0 for QuizAIfy. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Chemguy ships an update every 41 months, QuizAIfy every 3 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chemguy | QuizAIfy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/chemguy/id1473143126/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/quizaify/id6741314234/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 72 MB | 117 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rob Lederer](https://appshunter.io/developer/1472015812) | [EduVance, LLC](https://appshunter.io/developer/1793711675) |

## 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 |


### QuizAIfy

[App page](https://appshunter.io/ios/app/quizaify/id6741314234)

Generate custom quizzes from text or images using AI. Tailor the number of questions and difficulty to your study needs. Features gamified learning challenges to make studying engaging and boost retention.

**Highlights:** AI quiz generator, Customizable quizzes, Text and image recognition, Gamified learning maze, Personalized difficulty and topics, Engaging study methods

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Chemguy free?

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

### Is QuizAIfy free?

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

### Which has better reviews, Chemguy or QuizAIfy?

Chemguy and QuizAIfy are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do Chemguy or QuizAIfy have ads?

Neither Chemguy nor QuizAIfy shows ads.

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

Chemguy ships an update every 41 months, and QuizAIfy every 3 days. Most recently, Chemguy was updated on October 15, 2026 and QuizAIfy on October 24, 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.*