# ChipSense CNC vs Heel Drop

The clearest difference is iOS requirement: Heel Drop at 15.0 against ChipSense CNC's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ChipSense CNC | Heel Drop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 1 MB | 31 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Giving Stump, llc](https://appshunter.io/developer/1895382317) | [CODEENSIS LTD](https://appshunter.io/developer/859208704) |

## What reviewers say

### ChipSense CNC

[App page](https://appshunter.io/ios/app/chipsense-cnc/id6795931265)

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

**In-app purchases:** none


### Heel Drop

[App page](https://appshunter.io/ios/app/heel-drop-floor-vibration/id6796977956)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChipSense CNC free?

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

### Is Heel Drop free?

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

### Do ChipSense CNC or Heel Drop have ads?

Neither ChipSense CNC nor Heel Drop shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*