# Empower Battery vs VoltaRocks

The clearest difference is update cadence: VoltaRocks at every 3 weeks against Empower Battery's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Empower Battery ships an update every 12 months, VoltaRocks every 3 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Empower Battery | VoltaRocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 3 MB | 63 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Powerstream Australia Pty Ltd.](https://appshunter.io/developer/1650478129) | [L.O.L. Consultants Pty Ltd](https://appshunter.io/developer/1690515653) |

## What reviewers say

### Empower Battery

[App page](https://appshunter.io/ios/app/empower-battery/id6443908134)

**In-app purchases:** none


### VoltaRocks

[App page](https://appshunter.io/ios/app/voltarocks/id6449757796)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Empower Battery free?

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

### Is VoltaRocks free?

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

### Do Empower Battery or VoltaRocks have ads?

Neither Empower Battery nor VoltaRocks shows ads.

### Which is updated more often, Empower Battery or VoltaRocks?

Empower Battery ships an update every 12 months, and VoltaRocks every 3 weeks. Most recently, Empower Battery was updated on October 3, 2026 and VoltaRocks on October 1, 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.*