# Gdisp vs Horizontal Accelerometer

The clearest difference is iOS requirement: Horizontal Accelerometer at 13.0 against Gdisp's 15.5. On price, update cadence, ads 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.

Gdisp ships an update every 4 weeks, Horizontal Accelerometer every 6 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Gdisp | Horizontal Accelerometer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | — | Ad-supported |
| Size | 4 MB | 6 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shuntaro Shinohara](https://appshunter.io/developer/1639827056) | [Takao Ichimura](https://appshunter.io/developer/1474061593) |

## What reviewers say

### Gdisp

[App page](https://appshunter.io/ios/app/gdisp/id1639827054)

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Gdisp free?

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

### Is Horizontal Accelerometer free?

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

### Do Gdisp or Horizontal Accelerometer have ads?

Both Gdisp and Horizontal Accelerometer show ads.

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

Gdisp ships an update every 4 weeks, and Horizontal Accelerometer every 6 weeks. Most recently, Gdisp was updated on September 30, 2026 and Horizontal Accelerometer on October 7, 2026.

---

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