Best Ble Diagnostic Tool Apps

230+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

Looking for free ble diagnostic tool apps? 19 of our 230+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

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

LightBlue®#2

LightBlue® by Punch Through Design LLC

The go-to BLE development tool
Strong Contender
🔧 Utilities
4.3😊(936 ratings)
FreeAds
LightBlue® screenshot 1
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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
BLE Hero#3

BLE Hero by onceLabs LLC

Conquer Bluetooth Low Energy
Worth Considering
🛠️ Developer Tools
4.8(81 ratings)
Free
BLE Hero screenshot 1
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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.

More Ble Diagnostic Tool apps to explore

4
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
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
(31K)
free with in-app purchases
6
BLE UScope
BLE UScope
BLE UScope
Advanced Bluetooth LE Scanner
Free
🔧 Utilities
(0)
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
(414)
free
8
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
9
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
10
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
11
Bluetooth Scanner & BLE Finder
Bluetooth Scanner & BLE Finder
Bluetooth Scanner & BLE Finder
Find & Detect Hidden Tracker
Free

Locate misplaced Bluetooth devices like AirPods, iPhones, and Apple Watches quickly. Monitor signal strength with a radar interface and receive notifications if a device disconnects. View the last known location on a map for efficient retrieval.

Locate lost Bluetooth devicesContinuous background trackingUser-friendly radar interface
🔧 Utilities
(354)
free with in-app purchases
12
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
(70)
free
13
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
14
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
15
Reach Bluetooth Analyzer
Reach Bluetooth Analyzer
Reach Bluetooth Analyzer
by CYGNUS, LLC
Free

This tool enables remote support for Bluetooth Low Energy (BLE) IoT devices. It allows support agents to diagnose and troubleshoot issues by accessing real-time device data, logs, and firmware, even without cloud connectivity. Ideal for developers and support teams to enhance customer experience and product reliability.

Remote support for BLE IoT devicesDiagnose and troubleshoot issuesAccess real-time device data
🛠️ Developer Tools
(4)
free
16
MyZio
MyZio
MyZio
Symptom logging for MyZio
Free

Log your symptoms and track your ECG monitor's shipping status. Access helpful information and instructional videos to guide you through your monitoring experience.

Log and edit symptomsTrack monitor shipping statusRegister Zio ECG monitor
🏥 Medical
(56K)
free
17
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
18
BlueNox BLE Scan
BlueNox BLE Scan
BlueNox BLE Scan
Ultimate BLE Development Tool
Free

This application is a powerful tool for developing and testing Bluetooth LE devices, offering features such as smart filtering, device connection, and data exchange. It enables users to quickly connect, develop, and test custom Bluetooth LE devices, streamlining the development and deployment process.

🔧 Utilities
(16)
19
NanoBeacon BLE Scanner
NanoBeacon BLE Scanner
NanoBeacon BLE Scanner
The #1 Bluetooth LE scanner
Free

This app helps you discover and analyze Bluetooth Low Energy (BLE) devices and beacons. It presents advertising data in a user-friendly format, especially when paired with a specific development kit. Advanced filtering and notification features are available.

Discover BLE devicesDisplay RSSI and advertising intervalParse advertising data
🛠️ Developer Tools
(5)
free
20
Bluetooth BLE Device Finder
Bluetooth BLE Device Finder
Bluetooth BLE Device Finder
Find & Track My Lost BT Phone
Free

Quickly locate misplaced Bluetooth devices using signal strength and a radar interface. Track devices in the background and receive notifications when they are lost, with the last known location recorded on a map.

Find lost Bluetooth devicesTrack devices in the backgroundReceive disconnection notifications
📊 Productivity
(26K)
free with in-app purchases