# Geology Clinometer: GeoCompass — Survey with Assistance of AI

> Geological structure measurement tool with GPS, notes, and AI assistance. (iPhone/iPad app by HUNG HSUN LIN.)

- Source: https://appshunter.io/ios/app/geology-clinometer-geocompass/id6450886950 (this page in markdown: same URL + `.md`)
- Developer: [HUNG HSUN LIN](https://appshunter.io/developer/482586427)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 6 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 67 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, European Portuguese, Russian, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2023-11-19
- Data updated: 2026-08-20
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/geology-clinometer-geocompass/id6450886950/reviews.md

## What is Geology Clinometer?

This app is mainly used to measure the orientation of geological structures along with GPS and weather data. It contains the following features:

1. Support plane and line structure measurements.

2. Support multiple coordinate systems such as WGS84, UTM and MGRS.

3. Users can take photos, videos and add text notes to the measurement results.

4. When taking photos, you can choose to add related information such as date, time, coordinates or weather condition to the photos.

5. Measurement results are displayed in both map and list modes. Users can also investigate the details of each measurement result.

6. Support projects creation. Users can save measurement results in different projects.

7. Measurement results can all be exported for post process.

8. This app also provides AI ​​Assistant features to help you quickly obtain survey information.

9. Free version only allows for creation of a limited number of projects and measurement data.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Plane and line structure measurement
- Support for WGS84, UTM, MGRS coordinate systems
- Photo, video, and text note capture
- Add date, time, coordinates, weather to photos
- Map and list view of measurement results
- Project creation for organizing data
- Exportable measurement results
- AI Assistant for survey information

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1 Week | $0.99 | per 7 days |
| 1 Month | $2.99 | per month |
| 1 Year | $19.99 | per year |


## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/geology-clinometer-geocompass/id6450886950/reviews.md

### 2/5 — 打不开

*2025-05-13*

苹果得打好几回才能进去呐

### 2/5 — 对中原点

*2025-03-12*

现在的为什么没有对中原点了

### 5/5 — 度分秒显示

*2024-10-26*

定位可否提供度分秒显示，现在只能显示度数

**Developer response:** 您好：
感謝您提供的寶貴建議，我們會將您的建議與開發團隊審慎討論，如通過團隊確認，此功能將會排入開發時程，並在未來版本中實現，謝謝。

### 5/5 — 优化建议

*2024-09-03*

怎么联系官方

**Developer response:** 您好：
您可以透過 App 內「資訊」頁面的「聯絡我們」給我們提供回饋，謝謝！

### 4/5 — 同一平面，旋转手机，为什么倾向会变动？

*2024-06-13*

同一平面，旋转手机，为什么倾向会变动？

**Developer response:** 您好：
目前平面的量測，裝置上緣應該要與走向一致（如App 內量測方法示意圖所示）。如果旋轉手機會導致手機上緣與走向不一致，因而造成量測值不正確。
未來我們會精進此部分的演算法，朝向旋轉手機後，可以自動修正，並獲得正確的量測值。

### 1/5 — 打不开

*2024-04-20*

打不开

**Developer response:** 很抱歉，造成您的困擾。請問您的作業系統版本是多少？目前已知在iOS 12會有打不開的狀況。如果您的作業系統是iOS 12，建議可以升級作業系統版本，應該就可以正常使用，謝謝。

## Frequently asked questions about Geology Clinometer

### What geological structures can Geology Clinometer measure?

Geology Clinometer supports the measurement of both plane and line geological structures. This allows for comprehensive data collection in the field.

### Does Geology Clinometer work offline?

The provided data does not specify offline functionality. However, it does integrate GPS and weather data, which may require an internet connection for full features.

### What coordinate systems does Geology Clinometer support?

The app supports multiple coordinate systems, including WGS84, UTM, and MGRS, providing flexibility for different regional and project requirements.

### Can I add notes and media to my measurements?

Yes, users can take photos, videos, and add text notes to their measurement results. You can also choose to embed information like date, time, coordinates, or weather conditions directly into photos.

### How are measurement results displayed in Geology Clinometer?

Measurement results are presented in both map and list modes, allowing users to visualize and review their data effectively. Detailed information for each measurement is also accessible.

### Does Geology Clinometer have ads?

Yes, Geology Clinometer contains advertisements. This is indicated by the 'hasAds' flag being true in the application data.

### What are the limitations of the free version of Geology Clinometer?

The free version of Geology Clinometer has limitations on the number of projects that can be created and the amount of measurement data that can be stored. An upgrade may be necessary for extensive use.

### How often is Geology Clinometer updated?

The latest version of Geology Clinometer is 2.1.0, last updated on May 20, 2026. This indicates a recent update, suggesting ongoing development and support.

## Version history (last 5 releases)

### 2.2.0 — 2026-06-20

Add the feature to show a custom logo on photos. (Subscription only)

### 2.1.0 — 2026-05-20

Add AI assistant features.

### 2.0.1 — 2026-04-19

Bug fixes and performance improvements.

### 2.0.0 — 2026-04-17

* Adicionada a assinatura.
* Correcao de bugs e melhoria de desempenho.

### 1.12.0 — 2026-03-15

Bug fixes and performance improvements.

## More apps by HUNG HSUN LIN

- [Taiwan Datum](https://appshunter.io/ios/app/taiwan-datum/id620301625)
- [WGS84](https://appshunter.io/ios/app/wgs84/id657324657)
- [Gauss Meter](https://appshunter.io/ios/app/gauss-meter/id698042661)
- [Noise Meter +](https://appshunter.io/ios/app/noise-meter-plus/id789623736)
- [Driving Rec](https://appshunter.io/ios/app/driving-rec/id818970648)
- [Barometer Pro](https://appshunter.io/ios/app/barometer-pro/id930452531)

All apps by HUNG HSUN LIN: https://appshunter.io/developer/482586427

## Related topics

[don rifa](https://appshunter.io/ios/topics/don-rifa) · [clino](https://appshunter.io/ios/topics/clino) · [geological field notes](https://appshunter.io/ios/topics/geological-field-notes)

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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 2026-08-20.*