# Slopes vs V1 Ready

The clearest difference is in-app purchases: Slopes at none against V1 Ready's 1. Slopes also leads on ratings volume (41 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. V1 Ready sells 1 in-app purchase, starting at $19.99 per month. Slopes asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Slopes against 5.0 for V1 Ready. That said, the two scores are not equally well evidenced: Slopes has 41 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Slopes | V1 Ready |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (41 ratings)](https://appshunter.io/ios/app/slopes-differential-equations/id1136920301/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/v1-ready/id6793141918/reviews)** |
| Number of ratings | **41** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | **Free** | Freemium |
| Size | 21 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Tim Lucas](https://appshunter.io/developer/1136916670) | [V1 Consulting Co](https://appshunter.io/developer/6793141920) |

## 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


### V1 Ready

[App page](https://appshunter.io/ios/app/v1-ready/id6793141918)

Prepare for airline pilot interviews with practice questions, study modes, and mock simulations. Track progress and receive feedback on your answers. Covers major airlines and general interview topics.

**Highlights:** Real pilot-reported interview questions, Organized by airline and category, Flashcard study mode, Scored feedback on spoken answers, Mock interview simulations, Progress tracking across devices

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| V1 Ready Pro | $19.99 | per month |


## Frequently asked questions

### Is Slopes free?

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

### Is V1 Ready free?

V1 Ready is free to download, with in-app purchases available.

### Which has better reviews, Slopes or V1 Ready?

V1 Ready is rated higher. Slopes averages 4.9 out of 5 from 41 ratings, while V1 Ready averages 5.0 from 1 ratings.

### Do Slopes or V1 Ready have ads?

Neither Slopes nor V1 Ready 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.*