# Voltpy vs Visualization Training

The clearest difference is iOS requirement: Voltpy at 15.1 against Visualization Training's 26.4. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Voltpy sells 1 one-off in-app purchase and Visualization Training sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Voltpy | Visualization Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 43 MB | 21 MB |
| Requires iOS | **15.1** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [voltaire archelus](https://appshunter.io/developer/1047965449) | [Shingo Fukuyama](https://appshunter.io/developer/917557248) |

## What reviewers say

### Voltpy

[App page](https://appshunter.io/ios/app/voltpy/id6758322064)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voltpy Premium Access | $4.99 | one-time |


### Visualization Training

[App page](https://appshunter.io/ios/app/visualization-training/id6788350226)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is Voltpy free?

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

### Is Visualization Training free?

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

### Do Voltpy or Visualization Training have ads?

Neither Voltpy nor Visualization Training 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.*