# Speedcert vs Voltbox

The clearest difference is in-app purchases: Speedcert at none against Voltbox's 1. Speedcert also leads on update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Voltbox sells 1 one-off in-app purchase. Speedcert asks for nothing beyond the download.

Speedcert ships an update every 3 days, Voltbox every 2 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Speedcert | Voltbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 186 MB | 21 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ADAM GREEN](https://appshunter.io/developer/1863867658) | [GABRIELE CHESI](https://appshunter.io/developer/6793043905) |

## What reviewers say

### Speedcert

[App page](https://appshunter.io/ios/app/speedcert/id6756948281)

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

**In-app purchases:** none


### Voltbox

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

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Speedcert free?

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

### Is Voltbox free?

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

### Do Speedcert or Voltbox have ads?

Neither Speedcert nor Voltbox shows ads.

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

Speedcert ships an update every 3 days, and Voltbox every 2 weeks. Most recently, Speedcert was updated on October 10, 2026 and Voltbox on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*