# Direct Proportion vs University Math

The clearest difference is in-app purchases: Direct Proportion at none against University Math's 3. Direct Proportion also leads on iOS requirement (12.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. University Math sells 3 in-app purchases, starting at $4.99 per month. Direct Proportion asks for nothing beyond the download.

## The numbers

| Metric | Direct Proportion | University Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/university-math/id6745843324/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Freemium |
| Size | 50 MB | 47 MB |
| Requires iOS | **12.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [BENEDIKT HELD](https://appshunter.io/developer/1814199812) |

## What reviewers say

### Direct Proportion

[App page](https://appshunter.io/ios/app/direct-proportion/id6736588837)

**Features:** macOS Compatibility

**In-app purchases:** none


### University Math

[App page](https://appshunter.io/ios/app/university-math/id6745843324)

This app provides a comprehensive resource for university-level mathematics, offering a topic database, practice problems with step-by-step solutions, and exam preparation tools. It covers essential subjects like Analysis and Linear Algebra, designed for students to understand concepts rather than just memorize them.

**Highlights:** Topic database for university math, 400+ practice problems, Step-by-step solutions, Matrix calculator, Practice exams, Covers Analysis, Linear Algebra, Differential Equations

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| University Math Pro – Monthly | $4.99 | per month |
| University Math Pro – Yealy | $22.99 | per year |
| University Math Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Direct Proportion free?

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

### Is University Math free?

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

### Do Direct Proportion or University Math have ads?

Neither Direct Proportion nor University Math shows ads.

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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.*