# FD Controller vs HelloBlue

The clearest difference is in-app purchases: FD Controller at none against HelloBlue's 4. FD Controller also leads on iOS requirement (13.4 vs 16.0). HelloBlue's advantage is chart position (#128 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. HelloBlue sells 4 in-app purchases, starting at $0.99 per 7 days. FD Controller asks for nothing beyond the download.

## The numbers

| Metric | FD Controller | HelloBlue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/helloblue-bluetooth-debugger/id6766489420/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#128** |
| Size | 20 MB | 24 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ferrous Design, Inc.](https://appshunter.io/developer/1716630829) | [英 陈](https://appshunter.io/developer/1894194353) |

## What reviewers say

### FD Controller

[App page](https://appshunter.io/ios/app/fd-controller/id6618111989)

**Features:** macOS Compatibility

**In-app purchases:** none


### HelloBlue

[App page](https://appshunter.io/ios/app/helloblue-bluetooth-debugger/id6766489420)

**Currently charting:** #128 Top Grossing · Developer Tools (US App Store)

This tool streamlines Bluetooth Low Energy device debugging. It allows users to scan, inspect GATT services, exchange data in real-time, and automate testing sequences. Capture and export logs for detailed analysis.

**Highlights:** Scan and identify BLE devices, Inspect GATT services and characteristics, Read and monitor characteristic values live, Send and receive messages in real-time, Automate repetitive testing sequences, Capture and export logs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Subscription | $0.99 | per 7 days |
| Month Subscription | $2.99 | per month |
| Year Subscription | $9.99 | per year |
| Lifetime Subscription | $24.99 | one-time |


## Frequently asked questions

### Is FD Controller free?

FD Controller is free to download, with no in-app purchases.

### Is HelloBlue free?

HelloBlue is free to download, with in-app purchases available.

### Do FD Controller or HelloBlue have ads?

Neither FD Controller nor HelloBlue shows ads.

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