# GDFF

> Smart sonar fish finder for bait boats, mapping underwater conditions. (iPhone/iPad app by 松林 赵.)

- Source: https://appshunter.io/ios/app/gdff/id1468415725 (this page in markdown: same URL + `.md`)
- Developer: [松林 赵](https://appshunter.io/developer/596658260)
- Category: Utilities, Entertainment
- Price: Free
- Age rating: 4+
- Requires: iOS 10.0 · 41 MB
- Languages: Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Indonesian and 13 more
- Released: 2019-06-16
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/gdff/id1468415725/reviews.md

## What is GDFF?

革钓WIFI智能探鱼器是一款专业级别的打窝船专用探鱼器，它利用最先进的声呐技术，可以实时监测船所航行位置的水深水温，地形地貌，鱼群密度和鱼群大小等信息并回传到手机上。信号有效距离达到500米，最大深度40米，100级增益调节，多种模式选择，不放过水下隐藏的每个细节，帮助广大钓友探索未知的水下世界。

## Key features

- Real-time sonar technology
- Underwater mapping (depth, temp, terrain)
- Fish density and size detection
- 500m signal range
- 40m maximum depth
- Adjustable gain and multiple modes

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/gdff/id1468415725/reviews.md

### 1/5 — Don’t work on iPhone

*2022-05-31*

Won’t open

## Frequently asked questions about GDFF

### What information does GDFF provide?

GDFF provides real-time data on water depth, temperature, underwater terrain, and fish density and size. It uses advanced sonar technology to map the underwater environment.

### What is the effective range and depth of GDFF?

The signal has an effective range of up to 500 meters, and it can detect depths of up to 40 meters. This allows for extensive exploration of underwater areas.

### Does GDFF have adjustable settings?

Yes, GDFF features 100 levels of gain adjustment and offers multiple modes. These settings help users fine-tune the sonar to capture every detail of the underwater world.

### What devices is GDFF compatible with?

GDFF is designed to work with iPhones, iPads, and iPods. It connects wirelessly to your smartphone to display all the collected underwater data.

### How often is GDFF updated?

The app was last updated on March 15, 2023, with version 1.26. This indicates a relatively active development cycle for the software component.

### Is GDFF suitable for beginners?

While GDFF is a professional-grade tool, its user-friendly interface and real-time data display can assist anglers of all levels in exploring the underwater environment.

### Does GDFF have ads?

No, GDFF does not contain advertisements. As a free application, it provides an uninterrupted experience for users.

## Version history (last 5 releases)

### 1.26 — 2023-03-15

修正显示内容..

### 1.25 — 2023-03-08

优化显示内容..

### 1.24 — 2022-11-11

修正中继连接问题

### 1.23 — 2022-10-12

1.修正app兼容性问题

### 1.22 — 2022-09-29

添加密码复位..

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## More apps by 松林 赵

- [iRemoteFishing](https://appshunter.io/ios/app/iremotefishing/id1385385389)

All apps by 松林 赵: https://appshunter.io/developer/596658260

## Related topics

[gdff](https://appshunter.io/ios/topics/gdff)

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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 2026-06-01.*