# LIT Light Meter vs Voltbridge™ for PowerVault

The clearest difference is update cadence: LIT Light Meter at every 2 weeks against Voltbridge™ for PowerVault's every 5 weeks. LIT Light Meter also leads on device support (5 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

LIT Light Meter ships an update every 2 weeks, Voltbridge™ for PowerVault every 5 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | LIT Light Meter | Voltbridge™ for PowerVault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/lit-light-meter/id6747716897/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 78 MB | 2 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lit Systems AB](https://appshunter.io/developer/1822574754) | [Core SWX](https://appshunter.io/developer/1436600882) |

## What reviewers say

### LIT Light Meter

[App page](https://appshunter.io/ios/app/lit-light-meter/id6747716897)

This companion app allows users to remotely control and save data from the LIT DUO 1 light meter. It enables firmware updates via Bluetooth, enhancing the functionality of the connected device.

**Highlights:** Remote control for LIT DUO 1, Firmware updates via Bluetooth, Data saving capabilities, Companion app functionality

**Features:** Apple Watch app

**In-app purchases:** none


### Voltbridge™ for PowerVault

[App page](https://appshunter.io/ios/app/voltbridge-for-powervault/id6752802248)

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

**In-app purchases:** none


## Frequently asked questions

### Is LIT Light Meter free?

LIT Light Meter is free to download, with no in-app purchases.

### Is Voltbridge™ for PowerVault free?

Voltbridge™ for PowerVault is free to download, with no in-app purchases.

### Do LIT Light Meter or Voltbridge™ for PowerVault have ads?

Neither LIT Light Meter nor Voltbridge™ for PowerVault shows ads.

### Which is updated more often, LIT Light Meter or Voltbridge™ for PowerVault?

LIT Light Meter ships an update every 2 weeks, and Voltbridge™ for PowerVault every 5 weeks. Most recently, LIT Light Meter was updated on October 25, 2026 and Voltbridge™ for PowerVault on October 30, 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.*