# ISY MAX vs Material Engineering

The clearest difference is in-app purchases: ISY MAX at none against Material Engineering's 6. ISY MAX also leads on update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Material Engineering sells 6 in-app purchases, starting at $9.99 per month. ISY MAX asks for nothing beyond the download.

ISY MAX ships an update every 3 weeks, Material Engineering every 3 months. The most recent releases landed on September 16, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | ISY MAX | Material Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/material-engineering/id6739977362/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 17 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emily Sudduth](https://appshunter.io/developer/1721274803) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### ISY MAX

[App page](https://appshunter.io/ios/app/isy-max/id6511208480)

**In-app purchases:** none


### Material Engineering

[App page](https://appshunter.io/ios/app/material-engineering/id6739977362)

Master material science concepts with an engaging quiz app. Explore diverse topics, receive instant feedback, and track your progress. Perfect for students, professionals, and enthusiasts seeking to deepen their understanding of materials.

**Highlights:** Comprehensive quizzes on various material types, Expert-designed challenging questions, Instant feedback with detailed explanations, Personalized progress tracking and analytics, Diverse quiz modes (practice, timed, topic-focused), Achievements and leaderboards

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is ISY MAX free?

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

### Is Material Engineering free?

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

### Do ISY MAX or Material Engineering have ads?

Neither ISY MAX nor Material Engineering shows ads.

### Which is updated more often, ISY MAX or Material Engineering?

ISY MAX ships an update every 3 weeks, and Material Engineering every 3 months. Most recently, ISY MAX was updated on September 16, 2026 and Material Engineering on July 6, 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.*