# Slopes vs Graphs and Slopes

The clearest difference is price: Slopes at Free against Graphs and Slopes's $2.99. Slopes also leads on update cadence (every 2 months vs every 11 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Slopes is free to download; Graphs and Slopes costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Slopes ships an update every 2 months, Graphs and Slopes every 11 months. The most recent releases landed on June 1, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Slopes | Graphs and Slopes |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.9 (41 ratings)](https://appshunter.io/ios/app/slopes-differential-equations/id1136920301/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free | — |
| Size | 21 MB | 3 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim Lucas](https://appshunter.io/developer/1136916670) | [Gomathy Shankaran](https://appshunter.io/developer/503956143) |

## 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


### Graphs and Slopes

[App page](https://appshunter.io/ios/app/graphs-and-slopes/id1555122436)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Slopes free?

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

### Is Graphs and Slopes free?

Graphs and Slopes costs $2.99, with no in-app purchases.

### Do Slopes or Graphs and Slopes have ads?

Neither Slopes nor Graphs and Slopes shows ads.

### Which is updated more often, Slopes or Graphs and Slopes?

Slopes ships an update every 2 months, and Graphs and Slopes every 11 months. Most recently, Slopes was updated on June 1, 2026 and Graphs and Slopes on September 2, 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.*