# Rotawatt vs Voltpath

The clearest difference is in-app purchases: Rotawatt at none against Voltpath's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Voltpath sells 4 in-app purchases, starting at $1.99 per month. Rotawatt asks for nothing beyond the download.

Rotawatt ships an update every 3 weeks, Voltpath every 2 weeks. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Rotawatt | Voltpath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 74 MB | 142 MB |
| Requires iOS | **14.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arvento Mobile Systems](https://appshunter.io/developer/410513550) | [BURAK BERKAY OCAK](https://appshunter.io/developer/1861975957) |

## What reviewers say

### Rotawatt

[App page](https://appshunter.io/ios/app/rotawatt/id6736650325)

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

**In-app purchases:** none


### Voltpath

[App page](https://appshunter.io/ios/app/voltpath/id6775264615)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | per month |
| Voltpath Pro+ | $5.99 | per month |
| Voltpath Pro | $29.99 | per year |
| Voltpath Pro Plus | $99.99 | per year |


## Frequently asked questions

### Is Rotawatt free?

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

### Is Voltpath free?

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

### Do Rotawatt or Voltpath have ads?

Neither Rotawatt nor Voltpath shows ads.

### Which is updated more often, Rotawatt or Voltpath?

Rotawatt ships an update every 3 weeks, and Voltpath every 2 weeks. Most recently, Rotawatt was updated on October 7, 2026 and Voltpath on September 29, 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.*