# BLU by Gentec vs Volthium Smart

The clearest difference is iOS requirement: BLU by Gentec at 10.3 against Volthium Smart's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | BLU by Gentec | Volthium Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/blu-by-gentec-eo/id1234761344/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 49 MB | 44 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gentec-EO inc.](https://appshunter.io/developer/1234761343) | [Energie Volthium Inc](https://appshunter.io/developer/1522194366) |

## What reviewers say

### BLU by Gentec

[App page](https://appshunter.io/ios/app/blu-by-gentec-eo/id1234761344)

This app connects to an all-in-one detector and meter via Bluetooth, allowing users to view measurement results on their mobile device. It offers a safer work environment with remote monitoring capabilities and a compact, portable design.

**Highlights:** Bluetooth connectivity, Remote measurement display, Safer work environment, Compact and portable design, Long battery life (up to 5 days), Reduced recalibration costs

**Features:** macOS Compatibility

**In-app purchases:** none


### Volthium Smart

[App page](https://appshunter.io/ios/app/volthium-smart/id6689523265)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BLU by Gentec free?

BLU by Gentec is free to download, with no in-app purchases.

### Is Volthium Smart free?

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

### Do BLU by Gentec or Volthium Smart have ads?

Neither BLU by Gentec nor Volthium Smart shows ads.

### Which is updated more often, BLU by Gentec or Volthium Smart?

BLU by Gentec ships an update monthly, and Volthium Smart monthly. Most recently, BLU by Gentec was updated on June 1, 2026 and Volthium Smart on September 20, 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.*