# Double Pendulum Simulation vs PhysicsCompany LearnX

The clearest difference is in-app purchases: Double Pendulum Simulation at none against PhysicsCompany LearnX's 10. Double Pendulum Simulation also leads on iOS requirement (7.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. PhysicsCompany LearnX sells 10 one-off in-app purchases. Double Pendulum Simulation asks for nothing beyond the download.

## The numbers

| Metric | Double Pendulum Simulation | PhysicsCompany LearnX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/double-pendulum-simulation/id370962405/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 73 months | — |
| Monetization | Free | — |
| Size | 0 MB | 146 MB |
| Requires iOS | **7.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ManneTroll Solutions](https://appshunter.io/developer/313743954) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Double Pendulum Simulation

[App page](https://appshunter.io/ios/app/double-pendulum-simulation/id370962405)

Explore the chaotic and dynamic behavior of a double pendulum. This app uses the Runge-Kutta method to solve differential equations, allowing you to influence the pendulum's motion by tilting your device.

**Highlights:** Double pendulum simulation, Runge-Kutta method solver, Chaotic dynamics exploration, Device tilt interaction, Educational physics tool

**Features:** macOS Compatibility

**In-app purchases:** none


### PhysicsCompany LearnX

[App page](https://appshunter.io/ios/app/physicscompany-learnx/id6752291722)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AR | $29.99 | one-time |
| Package - AV | $34.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |


## Frequently asked questions

### Is Double Pendulum Simulation free?

Double Pendulum Simulation is free to download, with no in-app purchases.

### Is PhysicsCompany LearnX free?

PhysicsCompany LearnX is free to download, with in-app purchases available.

### Do Double Pendulum Simulation or PhysicsCompany LearnX have ads?

Neither Double Pendulum Simulation nor PhysicsCompany LearnX 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.*