# 3tra vs Volt

The clearest difference is update cadence: Volt at every 2 weeks against 3tra's every 2 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.

3tra ships an update every 2 months, Volt every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 3tra | Volt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 42 MB | 76 MB |
| Requires iOS | 15.0 | **14.0.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [instaKit Ltd.](https://appshunter.io/developer/1703569170) | [Adham Ghallab](https://appshunter.io/developer/1844135590) |

## What reviewers say

### 3tra

[App page](https://appshunter.io/ios/app/3tra/id6751044991)

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

**In-app purchases:** none


### Volt

[App page](https://appshunter.io/ios/app/volt-matrouh/id6753637820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3tra free?

3tra is free to download, with no in-app purchases.

### Is Volt free?

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

### Do 3tra or Volt have ads?

Neither 3tra nor Volt shows ads.

### Which is updated more often, 3tra or Volt?

3tra ships an update every 2 months, and Volt every 2 weeks. Most recently, 3tra was updated on October 24, 2026 and Volt on October 24, 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.*