# Compass Level Sensor Tools vs Caliper

The clearest difference is in-app purchases: Caliper at none against Compass Level Sensor Tools's 3. On price, ads, device support and iOS requirement 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. Caliper asks for nothing beyond the download.

## The numbers

| Metric | Compass Level Sensor Tools | Caliper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 15 MB | 2 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [David Pavlovschii](https://appshunter.io/developer/1854112110) | [UFUK OZDEMIR](https://appshunter.io/developer/1885204934) |

## What reviewers say

### 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 |


### Caliper

[App page](https://appshunter.io/ios/app/caliper-level-ruler-and-angle/id6794116622)

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

**In-app purchases:** none


## Frequently asked questions

### Is Compass Level Sensor Tools free?

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

### Is Caliper free?

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

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

Neither Compass Level Sensor Tools nor Caliper 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.*