# Horizon: Attitude Indicator — Gyro Artificial Horizon

> Gyroscope-based artificial horizon for aviation and marine use. (iPhone/iPad app by Kyu-Hee Jang.)

- Source: https://appshunter.io/ios/app/horizon-attitude-indicator/id6761253628 (this page in markdown: same URL + `.md`)
- Developer: [Kyu-Hee Jang](https://appshunter.io/developer/1587578867)
- Category: Utilities, Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 15.1 · 33 MB
- Languages: English
- Released: 2026-03-31
- Data updated: 2026-07-04
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/horizon-attitude-indicator/id6761253628/reviews.md

## What is Horizon?

Horizon Meter+ displays a professional artificial horizon instrument using gyroscope and accelerometer sensors.

Key Features:
- Aircraft-style attitude indicator
- Real-time pitch and roll angles
- Magnetic heading display
- Kalman-filtered smooth animation
- Marine and aviation reference modes
- Clean instrument-style interface

## Key features

- Aircraft-style attitude indicator
- Real-time pitch and roll angles
- Magnetic heading display
- Kalman-filtered smooth animation
- Marine and aviation reference modes
- Clean instrument-style interface


## Frequently asked questions about Horizon

### What is Horizon: Attitude Indicator?

Horizon: Attitude Indicator is a utility app that provides a professional artificial horizon instrument using your device's gyroscope and accelerometer. It displays real-time pitch and roll angles, and magnetic heading.

### Does Horizon: Attitude Indicator have ads?

Yes, Horizon: Attitude Indicator contains advertisements. As it is a free application, ads are displayed to support its development and maintenance.

### What devices does Horizon: Attitude Indicator support?

Horizon: Attitude Indicator is supported on iPhone and iPod devices. It is designed to utilize the motion sensors available on these platforms.

### How often is Horizon: Attitude Indicator updated?

The latest version of Horizon: Attitude Indicator is 1.0.11, last updated on May 14, 2026. Updates aim to improve performance and reliability.

### What is the age rating for Horizon: Attitude Indicator?

Horizon: Attitude Indicator has an age rating of 17+. This rating is determined by app store guidelines and may reflect the complexity or nature of the utility.

### Can Horizon: Attitude Indicator be used for marine purposes?

Yes, Horizon: Attitude Indicator includes a marine reference mode. This allows it to be used as an artificial horizon for boating and other marine activities.

### What makes the animation in Horizon: Attitude Indicator smooth?

The app utilizes Kalman filtering for its animation. This advanced filtering technique ensures a smooth and accurate display of pitch and roll angles.

## Version history (last 2 releases)

### 1.0.11 — 2026-05-14

- Performance and stability improvements
- Updated ad personalization handling for EEA users

### 1.0 — 2026-03-31

No release notes.

## More apps by Kyu-Hee Jang

- [Calculator+ Tip Tax BMI Unit](https://appshunter.io/ios/app/calculator-plus-tip-tax-bmi-unit/id1587591476)
- [QR Lens+ Barcode Scanner Pro](https://appshunter.io/ios/app/qr-lens-plus-barcode-scanner-pro/id1590631012)
- [Sound Noise Meter+ dB SPL](https://appshunter.io/ios/app/sound-noise-meter-plus-db-spl/id1593197145)
- [Tremor Vibration Meter](https://appshunter.io/ios/app/tremor-vibration-meter/id6759666731)
- [Lux Light Meter - Luminance](https://appshunter.io/ios/app/lux-light-meter-luminance/id6759858193)
- [Barometer: Air Pressure](https://appshunter.io/ios/app/barometer-air-pressure/id6759883097)

All apps by Kyu-Hee Jang: https://appshunter.io/developer/1587578867

## Related topics

[horizon artificial](https://appshunter.io/ios/topics/horizon-artificial)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-04.*