# Codewire vs Voltbox

The clearest difference is update cadence: Codewire at every 5 days against Voltbox's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Codewire ships an update every 5 days, Voltbox every 2 months. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Codewire | Voltbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 10 MB | 23 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Hallander](https://appshunter.io/developer/6779583782) | [GABRIELE CHESI](https://appshunter.io/developer/6793043905) |

## What reviewers say

### Codewire

[App page](https://appshunter.io/ios/app/codewire-electrician-calc/id6780236489)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Codewire Pro | $9.99 | one-time |


### Voltbox

[App page](https://appshunter.io/ios/app/voltbox-electrician-toolkit/id6793043903)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $8.99 | one-time |


## Frequently asked questions

### Is Codewire free?

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

### Is Voltbox free?

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

### Do Codewire or Voltbox have ads?

Neither Codewire nor Voltbox shows ads.

### Which is updated more often, Codewire or Voltbox?

Codewire ships an update every 5 days, and Voltbox every 2 months. Most recently, Codewire was updated on October 25, 2026 and Voltbox on November 6, 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.*