# Horizontal Accelerometer vs Grip

The clearest difference is ads: Grip at none against Horizontal Accelerometer's shown. Grip also leads on update cadence (every 5 days vs every 6 weeks) and monetization model (free vs ad-supported). Horizontal Accelerometer's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price and in-app purchases there is nothing between them.

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

Horizontal Accelerometer ships an update every 6 weeks, Grip every 5 days. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Horizontal Accelerometer | Grip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grip-g-force-and-cornering/id6781833028/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 2 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takao Ichimura](https://appshunter.io/developer/1474061593) | [Carl Sieber](https://appshunter.io/developer/6777791133) |

## What reviewers say

### Horizontal Accelerometer

[App page](https://appshunter.io/ios/app/horizontal-accelerometer/id6444095874)

This tool measures real-time horizontal acceleration, deceleration, and lateral G-force for automobiles. It features color-coded zones and sounds for easy understanding while driving and can also be used for engineering education and evaluating structural rigidity.

**Highlights:** Real-time horizontal acceleration measurement, Measures deceleration and lateral G-force, Color zones and sound alerts for values, Calibration for accurate readings, Peak hold and max value tracking, Adjustable color zone thresholds and sound

**Features:** Vision Pro support

**In-app purchases:** none


### Grip

[App page](https://appshunter.io/ios/app/grip-g-force-and-cornering/id6781833028)

Visualize your car's performance in real-time. This app uses your iPhone's sensors to display acceleration, braking, and cornering forces, helping you understand how your vehicle uses available grip. It offers a live grip envelope and drift angle readings, all processed privately on your device.

**Highlights:** Live grip envelope display, Real-time acceleration, braking, and cornering, Drift angle readout, Auto-scaling for G-force limits, Device-agnostic mounting, Five customizable colorways, On-device processing for privacy

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

**In-app purchases:** none


## Frequently asked questions

### Is Horizontal Accelerometer free?

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

### Is Grip free?

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

### Do Horizontal Accelerometer or Grip have ads?

Horizontal Accelerometer shows ads; Grip does not.

### Which is updated more often, Horizontal Accelerometer or Grip?

Horizontal Accelerometer ships an update every 6 weeks, and Grip every 5 days. Most recently, Horizontal Accelerometer was updated on October 7, 2026 and Grip on September 24, 2026.

---

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