# Vsensor vs In. Licht Ultra

The clearest difference is rating: In. Licht Ultra at 5.0 against Vsensor's 3.0. Vsensor's advantage is ratings volume (8 vs 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.

In. Licht Ultra holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Vsensor has 8 ratings behind it against 1, so its average is the more settled of the two.

Vsensor ships an update every 3 weeks, In. Licht Ultra every 2 weeks. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Vsensor | In. Licht Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (8 ratings)](https://appshunter.io/ios/app/vsensor/id1635688804/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/in-licht-ultra-spectrummeter/id6504659021/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 70 MB | 17 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [健成 李](https://appshunter.io/developer/1055522601) | [Lawrence Co., Ltd](https://appshunter.io/developer/1648865264) |

## What reviewers say

### Vsensor

[App page](https://appshunter.io/ios/app/vsensor/id1635688804)

This utility app displays environmental data like PAR, CO2, and CO concentrations directly on your phone. It requires compatible external meters to function.

**Highlights:** Displays PAR data, Shows CO2 concentration, Reads CO concentration, Works with external meters, Professional tool

**Features:** macOS Compatibility

**In-app purchases:** none


### In. Licht Ultra

[App page](https://appshunter.io/ios/app/in-licht-ultra-spectrummeter/id6504659021)

This utility measures light spectrum quality to ensure healthy environments, adhering to WELL standards. It connects via Bluetooth to a mobile device for data collection and analysis.

**Highlights:** Measures light spectrum quality, Compliant with WELL standards, Bluetooth connectivity, Assesses healthy lighting environments, Mobile app for measurements

**In-app purchases:** none


## Frequently asked questions

### Is Vsensor free?

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

### Is In. Licht Ultra free?

In. Licht Ultra is free to download, with no in-app purchases.

### Which has better reviews, Vsensor or In. Licht Ultra?

In. Licht Ultra is rated higher. Vsensor averages 3.0 out of 5 from 8 ratings, while In. Licht Ultra averages 5.0 from 1 ratings.

### Do Vsensor or In. Licht Ultra have ads?

Neither Vsensor nor In. Licht Ultra shows ads.

### Which is updated more often, Vsensor or In. Licht Ultra?

Vsensor ships an update every 3 weeks, and In. Licht Ultra every 2 weeks. Most recently, Vsensor was updated on October 4, 2026 and In. Licht Ultra on October 1, 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.*