# Vsensor vs Link Inspector

The clearest difference is in-app purchases: Vsensor at none against Link Inspector's 1. Vsensor also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Link Inspector sells 1 one-off in-app purchase. Vsensor asks for nothing beyond the download.

Vsensor ships an update every 3 weeks, Link Inspector every 2 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Vsensor | Link Inspector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (8 ratings)](https://appshunter.io/ios/app/vsensor/id1635688804/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 70 MB | 8 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [健成 李](https://appshunter.io/developer/1055522601) | [Øyvind Berget](https://appshunter.io/developer/1844195759) |

## 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


### Link Inspector

[App page](https://appshunter.io/ios/app/link-inspector/id6777491927)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $2.99 | one-time |


## Frequently asked questions

### Is Vsensor free?

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

### Is Link Inspector free?

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

### Do Vsensor or Link Inspector have ads?

Neither Vsensor nor Link Inspector shows ads.

### Which is updated more often, Vsensor or Link Inspector?

Vsensor ships an update every 3 weeks, and Link Inspector every 2 months. Most recently, Vsensor was updated on October 4, 2026 and Link Inspector 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.*