# VoltLab vs Virtual PetroLab

The clearest difference is in-app purchases: Virtual PetroLab at none against VoltLab's 7. Virtual PetroLab also leads on iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. VoltLab sells 7 in-app purchases, starting at $3.99 per month. Virtual PetroLab asks for nothing beyond the download.

## The numbers

| Metric | VoltLab | Virtual PetroLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (363 ratings)](https://appshunter.io/ios/app/voltlab-interactive-physics/id1461701360/reviews)** | — |
| Number of ratings | **363** | — |
| Positive reviews | 96.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 122 MB | 281 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denis Gladkii](https://appshunter.io/developer/1851726380) | [Natalia Shelyago](https://appshunter.io/developer/1618907003) |

## What reviewers say

### VoltLab

[App page](https://appshunter.io/ios/app/voltlab-interactive-physics/id1461701360)

This app simplifies learning electricity through interactive lessons and visual experiments. It offers offline access, quizzes with detailed solutions, and a reference guide for formulas. Ideal for students and educators seeking to understand electrical concepts.

**Highlights:** Interactive circuit building, Visual experiment results, Self-paced learning, Quizzes with step-by-step solutions, Offline access to lessons, Reference guide for formulas

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoltLab Pro One Month | $3.99 | per month |
| VoltLab Pro One Year | $12.99 | per year |
| VoltLab Pro One Year | $6.99 | one-time |
| VoltLab Donat | $10.99 | one-time |
| VoltLab Pro | $39.99 | one-time |
| VoltLab Donate | $49.99 | one-time |
| Awesome VoltLab Donat | $99.99 | one-time |


### Virtual PetroLab

[App page](https://appshunter.io/ios/app/virtual-petrolab/id1479461279)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VoltLab free?

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

### Is Virtual PetroLab free?

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

### Do VoltLab or Virtual PetroLab have ads?

Neither VoltLab nor Virtual PetroLab shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*