# HEV vs Compass Level Sensor Tools

The clearest difference is in-app purchases: HEV at none against Compass Level Sensor Tools's 3. HEV also leads on iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Compass Level Sensor Tools sells 3 in-app purchases, starting at $3.99 per 7 days. HEV asks for nothing beyond the download.

## The numbers

| Metric | HEV | Compass Level Sensor Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 30 MB | 15 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Idwell GmbH](https://appshunter.io/developer/1269662593) | [David Pavlovschii](https://appshunter.io/developer/1854112110) |

## What reviewers say

### HEV

[App page](https://appshunter.io/ios/app/hev/id6736905105)

**In-app purchases:** none


### Compass Level Sensor Tools

[App page](https://appshunter.io/ios/app/compass-level-sensor-tools/id6772147983)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sensor Toolbox Weekly | $3.99 | per 7 days |
| Sensor Toolbox Yearly | $24.99 | per year |
| Sensor Toolbox Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is HEV free?

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

### Is Compass Level Sensor Tools free?

Compass Level Sensor Tools is free to download, with in-app purchases available.

### Do HEV or Compass Level Sensor Tools have ads?

Neither HEV nor Compass Level Sensor Tools shows ads.

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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.*