# Voltsec vs SensorDeck

The clearest difference is in-app purchases: Voltsec at none against SensorDeck's 1. Voltsec also leads on ads (none vs shown) and iOS requirement (12.2 vs 18.5). On price, update cadence and device support there is nothing between them.

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

Voltsec ships an update every 2 weeks, SensorDeck every 3 weeks. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Voltsec | SensorDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 64 MB | 5 MB |
| Requires iOS | **12.2** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Retinasoft Security, LLC](https://appshunter.io/developer/1506080230) | [WEI-LUN HUANG](https://appshunter.io/developer/1540087284) |

## What reviewers say

### Voltsec

[App page](https://appshunter.io/ios/app/voltsec/id1506080231)

**Features:** macOS Compatibility

**In-app purchases:** none


### SensorDeck

[App page](https://appshunter.io/ios/app/sensordeck/id6752535432)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version Upgrade | $4.99 | one-time |


## Frequently asked questions

### Is Voltsec free?

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

### Is SensorDeck free?

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

### Do Voltsec or SensorDeck have ads?

SensorDeck shows ads; Voltsec does not.

### Which is updated more often, Voltsec or SensorDeck?

Voltsec ships an update every 2 weeks, and SensorDeck every 3 weeks. Most recently, Voltsec was updated on September 17, 2026 and SensorDeck on September 19, 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.*