# Slopes vs Mental Multi

The clearest difference is ratings volume: Slopes at 41 against Mental Multi's 5. Slopes also leads on iOS requirement (15.0 vs 17.6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Slopes against 5.0 for Mental Multi. That said, the two scores are not equally well evidenced: Slopes has 41 ratings behind it against 5, so its average is the more settled of the two.

## The numbers

| Metric | Slopes | Mental Multi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (41 ratings)](https://appshunter.io/ios/app/slopes-differential-equations/id1136920301/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mental-multi/id6748087700/reviews)** |
| Number of ratings | **41** | 5 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 21 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tim Lucas](https://appshunter.io/developer/1136916670) | [Brooke Carrier](https://appshunter.io/developer/1824251738) |

## What reviewers say

### Slopes

[App page](https://appshunter.io/ios/app/slopes-differential-equations/id1136920301)

Explore graphical solutions to ordinary differential equations with this interactive educational tool. It offers six distinct activities, including plotting vector fields, solving systems of equations, and visualizing oscillations. Ideal for homework, classroom use, or research projects.

**Highlights:** Interactive ODE exploration, Vector field plotting, Systems of equations solver, Numerical approximation methods, Bifurcation diagram creation, Preloaded and custom examples

**Features:** macOS Compatibility

**In-app purchases:** none


### Mental Multi

[App page](https://appshunter.io/ios/app/mental-multi/id6748087700)

Enhance your mental multiplication abilities with engaging challenges. This app offers four distinct game modes to improve speed and accuracy for learners of all ages.

**Highlights:** Mental multiplication practice, Four game modes, Boost speed and accuracy, Suitable for all ages, Skill level progression

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Slopes free?

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

### Is Mental Multi free?

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

### Which has better reviews, Slopes or Mental Multi?

Mental Multi is rated higher. Slopes averages 4.9 out of 5 from 41 ratings, while Mental Multi averages 5.0 from 5 ratings.

### Do Slopes or Mental Multi have ads?

Neither Slopes nor Mental Multi 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.*