# Sensor Labs vs Sensor Viewer

The clearest difference is ads: Sensor Viewer at none against Sensor Labs's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Sensor Labs sells 1 one-off in-app purchase and Sensor Viewer sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Sensor Labs | Sensor Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | — |
| Size | 11 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gnanasuriyan Gnana Oli](https://appshunter.io/developer/1865699730) | [Salisbury Apps](https://appshunter.io/developer/1095141053) |

## What reviewers say

### Sensor Labs

[App page](https://appshunter.io/ios/app/sensor-labs-physics-sensors/id6757404916)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sensor Labs Pro | $9.99 | one-time |


### Sensor Viewer

[App page](https://appshunter.io/ios/app/sensor-viewer/id6765755753)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $0.99 | per year |
| One time / Lifetime purchase | $1.99 | one-time |


## Frequently asked questions

### Is Sensor Labs free?

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

### Is Sensor Viewer free?

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

### Do Sensor Labs or Sensor Viewer have ads?

Sensor Labs shows ads; Sensor Viewer does not.

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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.*