# RaspIoT vs Horizontal Accelerometer

The clearest difference is ads: RaspIoT at none against Horizontal Accelerometer's shown. RaspIoT also leads on iOS requirement (9.2 vs 13.0). Horizontal Accelerometer's advantage is update cadence (every 6 weeks vs every 25 months). On price, 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.

RaspIoT ships an update every 25 months, Horizontal Accelerometer every 6 weeks. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | RaspIoT | Horizontal Accelerometer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Monetization | — | Ad-supported |
| Size | 1 MB | 6 MB |
| Requires iOS | **9.2** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Atsushi Yamada](https://appshunter.io/developer/301497489) | [Takao Ichimura](https://appshunter.io/developer/1474061593) |

## What reviewers say

### RaspIoT

[App page](https://appshunter.io/ios/app/raspiot/id1090362453)

**Features:** macOS Compatibility

**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 RaspIoT free?

RaspIoT 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 RaspIoT or Horizontal Accelerometer have ads?

Horizontal Accelerometer shows ads; RaspIoT does not.

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

RaspIoT ships an update every 25 months, and Horizontal Accelerometer every 6 weeks. Most recently, RaspIoT was updated on September 20, 2026 and Horizontal Accelerometer on September 12, 2026.

---

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