# Slopes vs Roger Link

The clearest difference is review sentiment: Slopes at 100% against Roger Link's 0%. Slopes also leads on rating (4.9 vs 2.8) and ratings volume (41 vs 6). Roger Link's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Slopes holds the better App Store score, 4.9 against 2.8. That said, the two scores are not equally well evidenced: Slopes has 41 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Slopes's written reviews are positive against 0% of Roger Link's.

Slopes ships an update every 2 months, Roger Link every 3 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Slopes | Roger Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (41 ratings)](https://appshunter.io/ios/app/slopes-differential-equations/id1136920301/reviews)** | [2.8 (6 ratings)](https://appshunter.io/ios/app/roger-link/id6474192486/reviews) |
| Number of ratings | **41** | 6 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 49 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim Lucas](https://appshunter.io/developer/1136916670) | [Navengage Education Technologies LLC](https://appshunter.io/developer/1547439399) |

## 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


### Roger Link

[App page](https://appshunter.io/ios/app/roger-link/id6474192486)

This app centralizes campus information, allowing users to discover events, explore student organizations, and access essential resources. It provides a unified platform for navigating university life.

**Highlights:** Event discovery, Student organization listings, Resource navigation, Centralized campus information, Easy-to-use interface

**In-app purchases:** none


## Frequently asked questions

### Is Slopes free?

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

### Is Roger Link free?

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

### Which has better reviews, Slopes or Roger Link?

Slopes is rated higher. Slopes averages 4.9 out of 5 from 41 ratings, while Roger Link averages 2.8 from 6 ratings.

### Do Slopes or Roger Link have ads?

Neither Slopes nor Roger Link shows ads.

### Which is updated more often, Slopes or Roger Link?

Slopes ships an update every 2 months, and Roger Link every 3 weeks. Most recently, Slopes was updated on October 6, 2026 and Roger Link on October 1, 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.*