# My Altitude: Chart & Compass — Measuring without  network

> Professional altitude measurement, compass, and data analysis app for outdoor activities. (iPhone/iPad app by Shenzhen Jirry Jirry Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/my-altitude-chart-and-compass/id6475305931 (this page in markdown: same URL + `.md`)
- Developer: [Shenzhen Jirry Jirry Technology Co., Ltd.](https://appshunter.io/developer/1605746308)
- Category: Travel, Navigation
- Price: Free with in-app purchases
- Rating: 3.70/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 14 MB
- Languages: Chinese (Simplified, China), American English
- Released: 2024-01-21
- Data updated: 2026-08-15
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/my-altitude-chart-and-compass/id6475305931/reviews.md

## What is My Altitude?

**Precise Measurement • Real-time Monitoring • Data Insights**

Altitude  is a powerful professional altitude measurement app that integrates precise altitude measurement, a smart compass, and a watermark camera. Whether you're a mountaineering enthusiast, outdoor explorer, construction engineer, or geographer, this app provides you with accurate and reliable elevation data and practical tools.

**Core Features**

1.  **Precise Altitude Measurement**
    *   Real-time Altitude Monitoring: Uses device sensors to measure current altitude in real time.
    *   Multi-unit Switching: Supports free switching between meters/feet to suit different preferences.
    *   Accuracy Display: Shows measurement accuracy and GPS coordinates in real time.
    *   Status Recognition: Intelligently identifies altitude status (Low/Medium/High/Extreme Altitude).

2.  **Professional Data Analysis**
    *   Historical Charts: Visualize altitude trends with support for time-range filtering.
    *   Data Statistics: Automatically calculates key metrics like min, max, and average values.
    *   Data Export: Supports CSV/JSON export for professional analysis.
    *   Data Sharing: Instantly generates beautiful data cards to share with friends or teams.

3.  **Integrated Compass**
    *   Accurate Bearing: Displays precise bearing angle and direction in real time.
    *   Coordinate Display: Shows current GPS coordinates (latitude/longitude) simultaneously.
    *   Calibration Tool: Built-in professional calibration tool ensures compass accuracy.

**Professional Feature Details**

1.  **Data Management**
    *   History Log: Automatically saves all measurement data (up to 10,000 records).
    *   Smart Filtering: Filter data by time range (1 hour/24 hours/7 days/30 days).
    *   Data Cleanup: Supports batch cleanup of history to free storage.
    *   Import/Export: Seamless data exchange with desktop software.

2.  **Customizable Settings**
    *   Multiple chart line styles (Straight/Curve/Step/Dashed).
    *   Customizable chart color themes and line thickness.
    *   Adjustable chart data point size and density.
    *   Altitude Unit: Free switching between meters/feet.

3.  **Smart Alert System**
    *   Altitude Alerts: Get notified upon reaching a specific altitude.
    *   Change Alerts: Monitors rapid altitude changes and sends notifications.
    *   Custom Conditions: Supports multi-condition combined alerts.
    *   Background Operation: Continuously monitors and alerts even while in the background.
    *   Local Notifications: Receive alerts even offline.

4.  **Data Sharing**
    *   Share real-time altitude data cards.
    *   Share historical data tables.
    *   Share statistical chart images.

**Use Cases**

1.  **Outdoor Adventure**
    *   Mountain climbing height records and route planning.
    *   Hiking altitude change monitoring.
    *   Altitude sickness prevention and early warning.
    *   Campsite elevation assessment.

2.  **Engineering & Surveying**
    *   Building height measurement and recording.
    *   Topographic survey data collection.
    *   Construction process height monitoring.
    *   Project progress elevation verification.

3.  **Education & Research**
    *   Geography class teaching aid.
    *   Scientific research data collection and analysis.
    *   Environmental change altitude monitoring.
    *   Student outdoor practice tool.

4.  **Travel Logging**
    *   Record altitude changes during travel.
    *   Travel photos with altitude watermarks.
    *   Trip height change statistics.

5.  **Data Security**

    *   Local data storage protects privacy.
    *   Data encrypted storage.
    *   No mandatory network permissions required.

Download Altitude Pro now and begin your high-precision measurement journey!


Privacy Policy: https://compassnow.github.io/privacy.html
Terms of use: https://compassnow.github.io/terms.html

## Key features

- Precise real-time altitude measurement
- Integrated smart compass with bearing
- Historical altitude charts and data analysis
- Customizable altitude and change alerts
- Offline functionality for monitoring
- Data export in CSV/JSON formats

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Year | $2.99 | per year |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/my-altitude-chart-and-compass/id6475305931/reviews.md

### 1/5 — app 挺好用的

*2026-02-03*

升级后的 app 很强大，使用功能基本免费使用，挺好的

## Frequently asked questions about My Altitude

### What is My Altitude's primary function?

My Altitude's primary function is to provide precise altitude measurements using device sensors. It also includes a smart compass and tools for analyzing historical altitude data.

### Does My Altitude work offline?

Yes, My Altitude is designed to work offline. It can continuously monitor altitude and send alerts even without a network connection, making it reliable for remote areas.

### What kind of data analysis does My Altitude offer?

My Altitude offers professional data analysis including historical charts with time-range filtering, calculation of key statistics like min/max/average values, and data export in CSV/JSON formats.

### How accurate is the altitude measurement in My Altitude?

My Altitude displays real-time measurement accuracy and GPS coordinates. It also intelligently identifies altitude status (Low/Medium/High/Extreme Altitude) to provide context.

### What are the subscription options for My Altitude?

My Altitude offers a yearly subscription plan for $2.99, which includes a 7-day free trial. This subscription likely unlocks premium features or removes limitations.

### Can I customize alerts in My Altitude?

Yes, My Altitude features a smart alert system that allows for altitude alerts, change alerts for rapid altitude shifts, and custom multi-condition combined alerts.

### What devices is My Altitude compatible with?

My Altitude is currently supported on iPhone and iPod devices. It is designed for iOS users who need advanced altitude tracking and navigation.

### How often is My Altitude updated?

My Altitude was last updated on February 3, 2026, with version 1.0.6. This indicates a recent update, suggesting ongoing development and support for the application.

## Version history (last 5 releases)

### 1.0.7 — 2026-06-25

- Fixed known bugs
- Added data persistence for elevation history charts

### 1.0.6 — 2026-02-03

- Urgent bug fixes and optimizations

### 1.0.5 — 2026-02-03

- Optimized and upgraded basic altitude measurement function
- Data charts and analysis
- Intelligent reminder system
- Data import and export
- Known bug fixes

### 1.0.4 — 2025-11-26

- Known bugs and crash fixes

### 1.0.3 — 2024-09-19

- Known bug fixes and optimizations

## Apps similar to My Altitude

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Realtime Altimeter](https://appshunter.io/ios/app/realtime-altimeter/id1039285626) | 4.7 (403) | Free | Travel |
| [GPS Altitude Measurement](https://appshunter.io/ios/app/gps-altitude-measurement/id6636474191) | 5.0 (1) | Free | Travel |
| [Altimeter - Altitude & Compass](https://appshunter.io/ios/app/altimeter-altitude-and-compass/id1295577015) | 4.6 (8,452) | Free | Travel |

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All apps by Shenzhen Jirry Jirry Technology Co., Ltd.: https://appshunter.io/developer/1605746308

## Related topics

[my altitude](https://appshunter.io/ios/topics/my-altitude)

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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 2026-08-15.*