# Voltie vs Helia Energy

The clearest difference is update cadence: Voltie at fortnightly against Helia Energy's every 2 months. Helia Energy's advantage is iOS requirement (15.6 vs 17.0). 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.

Voltie ships an update fortnightly, Helia Energy every 2 months. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Voltie | Helia Energy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 53 MB | 113 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Voltie Kft.](https://appshunter.io/developer/1690550740) | [Evoltsoft Technologies Private Limted](https://appshunter.io/developer/1723389563) |

## What reviewers say

### Voltie

[App page](https://appshunter.io/ios/app/voltie/id6449769010)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Helia Energy

[App page](https://appshunter.io/ios/app/helia-energy/id6796673765)

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltie free?

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

### Is Helia Energy free?

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

### Do Voltie or Helia Energy have ads?

Neither Voltie nor Helia Energy shows ads.

### Which is updated more often, Voltie or Helia Energy?

Voltie ships an update fortnightly, and Helia Energy every 2 months. Most recently, Voltie was updated on November 3, 2026 and Helia Energy on November 10, 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.*