# EspBlufi vs HLKRadarTool

The clearest difference is rating: EspBlufi at 3.3 against HLKRadarTool's 2.7. EspBlufi also leads on iOS requirement (10.0 vs 12.0). HLKRadarTool's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (11 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EspBlufi holds the better App Store score, 3.3 against 2.7. Both are backed by a comparable volume of ratings — 3 and 11 respectively.

EspBlufi ships an update every 2 months, HLKRadarTool fortnightly. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | EspBlufi | HLKRadarTool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/espblufi/id1450614082/reviews)** | [2.7 (11 ratings)](https://appshunter.io/ios/app/hlkradartool/id1638651152/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 3 MB | 20 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.](https://appshunter.io/developer/1071176699) | [深圳市海凌科电子有限公司](https://appshunter.io/developer/1116319863) |

## What reviewers say

### EspBlufi

[App page](https://appshunter.io/ios/app/espblufi/id1450614082)

This utility app facilitates communication with IoT devices using BLE data. It enables device distribution and custom data transmission, requiring the external device to be powered on for connection.

**Highlights:** BLE communication with IoT devices, Device distribution, Custom data transmission, Custom data reception, Search and connect functionality

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

**In-app purchases:** none


### HLKRadarTool

[App page](https://appshunter.io/ios/app/hlkradartool/id1638651152)

This utility app helps debug radar modules by searching for Bluetooth devices and detecting radar distance sensitivity. It allows users to adjust radar parameters for optimal performance.

**Highlights:** Bluetooth device search, Radar distance sensitivity detection, Radar parameter settings, Radar module debugging

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EspBlufi free?

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

### Is HLKRadarTool free?

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

### Which has better reviews, EspBlufi or HLKRadarTool?

EspBlufi is rated higher. EspBlufi averages 3.3 out of 5 from 3 ratings, while HLKRadarTool averages 2.7 from 11 ratings.

### Do EspBlufi or HLKRadarTool have ads?

Neither EspBlufi nor HLKRadarTool shows ads.

### Which is updated more often, EspBlufi or HLKRadarTool?

EspBlufi ships an update every 2 months, and HLKRadarTool fortnightly. Most recently, EspBlufi was updated on October 13, 2026 and HLKRadarTool on October 3, 2026.

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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.*