# Sensor Toolkit vs MeterWorks Vibrometer

The clearest difference is in-app purchases: Sensor Toolkit at none against MeterWorks Vibrometer's 1. Sensor Toolkit also leads on iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. MeterWorks Vibrometer sells 1 one-off in-app purchase. Sensor Toolkit asks for nothing beyond the download.

## The numbers

| Metric | Sensor Toolkit | MeterWorks Vibrometer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 33 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Hangik Lee](https://appshunter.io/developer/1893677570) | [Emil Deak](https://appshunter.io/developer/1883312248) |

## What reviewers say

### Sensor Toolkit

[App page](https://appshunter.io/ios/app/sensor-toolkit/id6768051864)

**In-app purchases:** none


### MeterWorks Vibrometer

[App page](https://appshunter.io/ios/app/meterworks-vibrometer/id6779408803)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MessWerk Pro | $7.99 | one-time |


## Frequently asked questions

### Is Sensor Toolkit free?

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

### Is MeterWorks Vibrometer free?

MeterWorks Vibrometer is free to download, with in-app purchases available.

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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.*