Best Ble Diagnostic Tool Apps

237+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated July 2026

Looking for free ble diagnostic tool apps? 19 of our 237+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Ble Diagnostic Tool Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BLE Diagnostic ToolBLE Diagnostic ToolFree5.0★ (1)NoNoJul 2026
2BLE HeroBLE HeroFree4.9★ (87)NoNoJul 2026
3LightBlue®LightBlue®Free4.3★ (940)NoNoAug 2026
4BLE UScopeBLE UScopeFreeNoNoJun 2026
5Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesAug 2026
6BLE Scanner 4.0 – Bluetooth LEBLE Scanner 4.0 – Bluetooth LEFree4.3★ (615)NoYesJul 2026
7nRF Connect for MobilenRF Connect for MobileFree4.5★ (449)NoNoAug 2026
8Bluefy – Web BLE BrowserBluefy – Web BLE BrowserFree4.8★ (1.3K)NoNoAug 2026

Top Picks for Ble Diagnostic Tool

BLE Diagnostic Tool#1

BLE Diagnostic Tool by 健 常

BLE Diagnostic Tool
Editor's Choice
🔧 Utilities
5.0(1 ratings)
Free
BLE Diagnostic Tool screenshot 1
BLE Diagnostic Tool screenshot 2
BLE Diagnostic Tool screenshot 3
BLE Diagnostic Tool screenshot 4
BLE Diagnostic Tool screenshot 5
BLE Diagnostic Tool screenshot 6

Connect to devices via Bluetooth to retrieve and display diagnostic data. Analyze information obtained through the protocol to troubleshoot and understand device status.

BLE Hero#2

BLE Hero by onceLabs LLC

Conquer Bluetooth Low Energy
Strong Contender
🛠️ Developer Tools
4.9(87 ratings)
Free
BLE Hero screenshot 1
BLE Hero screenshot 2
BLE Hero screenshot 3
BLE Hero screenshot 4
BLE Hero screenshot 5
BLE Hero screenshot 6

This app is a powerful development tool for Bluetooth Low Energy. It offers comprehensive scanning, connection management, GATT interactions, and detailed logging. Features include DFU support, real-time RSSI plotting, and customizable display formats for data.

LightBlue®#3

LightBlue® by Punch Through

The go-to BLE development tool
Worth Considering
🔧 Utilities
4.3😊(940 ratings)
Free
LightBlue® screenshot 1
LightBlue® screenshot 2
LightBlue® screenshot 3

This app allows users to interact with Bluetooth Low Energy devices. It supports scanning for, connecting to, and analyzing BLE peripherals, as well as simulating your own BLE devices. It's a comprehensive tool for developers and enthusiasts working with BLE technology.

What We Love

  • 🚀 Found lost devices
  • 🔍 Helpful for locating Bluetooth devices
  • 👍 Works great
  • 👍 Lifesaver

Room to Improve

  • 🐛 Doesn't work with dead devices
  • 🐛 Unreliable connection
  • 🐛 Confusing to use

More Ble Diagnostic Tool apps to explore

4
BLE UScope
BLE UScope
BLE UScope
Advanced Bluetooth LE Scanner
Free
🔧 Utilities
(0)
5
Car Scanner ELM OBD2
Car Scanner ELM OBD2
Car Scanner ELM OBD2
The best OBD2 diagnostic tool!
Free

Monitor your car's performance, diagnose engine issues, and view sensor data in real-time. Customize your dashboard with gauges and charts, and reset fault codes. Supports a wide range of vehicles and offers advanced features for specific car brands.

Real-time sensor dataOBD fault code reading and resettingCustomizable dashboard with gauges
🔧 Utilities
(32K)
free with in-app purchases
6
BLE Scanner 4.0 – Bluetooth LE
BLE Scanner 4.0 – Bluetooth LE
BLE Scanner 4.0 – Bluetooth LE
Scan,Connect & Find BLE Device
Free

Explore and manage Bluetooth Low Energy devices with this comprehensive utility. Discover, connect, and analyze BLE signals, including iBeacon and Eddystone data. Ideal for developers and users tracking smart gadgets.

Instant BLE device discovery with RSSIRadar view for device distance visualizationSmart filtering by name, UUID, RSSI, and more
📊 Productivity
(615)
free with in-app purchases
7
nRF Connect for Mobile
nRF Connect for Mobile
nRF Connect for Mobile
The #1 Bluetooth LE utility
Free

This app is a versatile tool for scanning, exploring, and communicating with Bluetooth Low Energy devices. It also enables your device to act as a peripheral and supports firmware updates for compatible devices.

Scan and discover Bluetooth LE peripheralsCommunicate with Bluetooth LE devicesAdvertise as a Bluetooth LE peripheral
🔧 Utilities
(449)
free
8
Bluefy – Web BLE Browser
Bluefy – Web BLE Browser
Bluefy – Web BLE Browser
Easy to connect over the Web
Free

This browser allows direct smartphone connection to nearby Bluetooth devices from web pages, eliminating the need for native apps. It supports various BLE devices like smart home appliances and medical sensors, enabling interaction and data retrieval.

Web Bluetooth API supportConnect to BLE devices directly from webInteract with smart home appliances
🔧 Utilities
(1.3K)
free
9
BLE Serial tiny
BLE Serial tiny
BLE Serial tiny
BLE HM10 serial monitor
Free
🔧 Utilities
(0)
10
Find Bluetooth: device tracker
Find Bluetooth: device tracker
Find Bluetooth: device tracker
Locate your smart band, watch
$1.99

Easily locate lost Bluetooth devices like fitness trackers and smartwatches. The app displays nearby devices sorted by signal strength or name, then guides you to your selected item using a dashboard.

Find lost Bluetooth devicesLocate fitness bands and smartwatchesSort devices by signal strength
🔧 Utilities
(3.7K)
free with in-app purchases
11
Bluetooth(BLE) Tool
Bluetooth(BLE) Tool
Bluetooth(BLE) Tool
Simple, ad-free bluetooth tool
Free

This app is a powerful Bluetooth Low Energy (BLE) debugging tool. It allows users to discover surrounding BLE devices, connect to multiple devices simultaneously, and read/write characteristic values. Real-time data display and background data reception are supported for easy device debugging.

Multi-device connectivityBLE device scanningRead/write characteristic values
🔧 Utilities
(1)
free
12
BLE Discover
BLE Discover
BLE Discover
by Harry GOODWIN
Free

This utility app offers comprehensive tools for scanning and debugging Bluetooth Low Energy peripheral devices. It allows users to connect, view device information, and interact with services and characteristics. Features include configurable scanning, filtering, sorting, and signal strength tracking.

Configurable BLE scanning with filtersSearch peripherals by nameFavorite peripherals list
🔧 Utilities
(2)
free
13
IT-550BU Diagnostic Tool
IT-550BU Diagnostic Tool
IT-550BU Diagnostic Tool
by InfoThink
Free
🔧 Utilities
(0)
14
Simple BLE Scanner
Simple BLE Scanner
Simple BLE Scanner
Scans for nearby BLE devices
Free

This application scans for nearby Bluetooth Low Energy devices and presents them in a filterable list. It displays crucial information for each device, including advertised data, signal strength, and timestamps. Users can easily start and stop the scanning process.

Scan for nearby BLE devicesDisplay discovered devices in a listFilter list by search field
🔧 Utilities
(1)
free
15
Bluetooth Inspector
Bluetooth Inspector
Bluetooth Inspector
Discover what's around you
Free

Explore nearby Bluetooth devices and examine their services and characteristics. View real-time signal strength, battery levels for your own devices, and identify model names. Extract software versions and read or write characteristic values.

Real-time signal strength and device informationApple device battery level monitoringDevice model identification
🛠️ Developer Tools
(1.5K)
free with in-app purchases
16
Simplicity Connect
Simplicity Connect
Simplicity Connect
BLE, Wi-Fi, Matter Test Tool
Free

This utility app aids developers in testing and debugging Bluetooth Low Energy applications on Silicon Labs development boards. It simplifies troubleshooting firmware updates, data throughput, and interoperability with a user-friendly interface and built-in demos.

Bluetooth Low Energy (BLE) testingApplication debuggingFirmware Over-the-Air (OTA) updates
🔧 Utilities
(16)
free
17
BLE Radar Ultra
BLE Radar Ultra
BLE Radar Ultra
Find Bluetooth devices
Free

This utility app helps you detect, analyze, and locate Bluetooth Low Energy (BLE) devices. It offers real-time signal monitoring, directional tracking, and data export for various use cases.

Real-time BLE scanningDistance estimation via RSSILive signal analysis
🔧 Utilities
(2)
free with in-app purchases
18
CX BLE
CX BLE
CX BLE
Bluetooth Low Energy Developer
Free

This utility app scans for Bluetooth Low Energy (BLE) devices, allowing simultaneous connection to multiple peripherals. It enables interrogation, notification retrieval, and reading/writing of BLE characteristics. Event logs can be exported in CSV format.

BLE device scanningSimultaneous multi-device connectionInterrogate BLE characteristics
🔧 Utilities
(4)
free
19
Xtool Anyscan
Xtool Anyscan
Xtool Anyscan
OBD Diagnostic
Free

This smart diagnostic system connects to your iPhone or iPad to provide on-demand vehicle diagnostics. It offers comprehensive coverage for a wide range of car makes and includes full system diagnosis with various special functions.

Comprehensive vehicle coverageFull system diagnosisSpecial functions
🔧 Utilities
(77)
free
20
Ble Assistant
Ble Assistant
Ble Assistant
Ble debugging tool
Free

This tool helps debug Bluetooth Low Energy (BLE) devices. It allows users to scan for nearby signals, connect to devices, and send commands to specific services. Comprehensive logging is provided for analysis.

Scan surrounding Bluetooth signalsName filtering for devicesConnect to searched devices
🛠️ Developer Tools
(4)
free with in-app purchases

FAQ about Ble Diagnostic Tool

What are the best ble diagnostic tool apps for iPhone?
BLE Diagnostic Tool tops our ble diagnostic tool apps ranking as of July 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 19 of the top ble diagnostic tool apps we rank are free to download, including BLE Diagnostic Tool and BLE Hero.
BLE Diagnostic Tool has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 237+ ble diagnostic tool apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
BLE Diagnostic Tool is available for iPhone, iPad, and iPod devices. Ensure your device has Bluetooth capabilities to utilize the app's features.
The latest version of BLE Diagnostic Tool is 2.0.2, last updated on May 14, 2026. This indicates a recent update, suggesting ongoing development and support.