Best Dfu Plus Apps

238+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated May 2026

Out of 238+ dfu plus apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Dfu Plus

nRF Connect for Mobile#3

nRF Connect for Mobile by Nordic Semiconductor ASA

The #1 Bluetooth LE utility
Worth Considering
๐Ÿ”ง Utilities
4.5๐Ÿ˜Š(414 ratings)
Free
nRF Connect for Mobile screenshot 1
nRF Connect for Mobile screenshot 2
nRF Connect for Mobile screenshot 3
nRF Connect for Mobile screenshot 4
nRF Connect for Mobile screenshot 5
nRF Connect for Mobile screenshot 6

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.

What We Love

  • ๐Ÿš€ Great product
  • ๐Ÿš€ Very handy
  • ๐Ÿš€ Amazing functionality
  • ๐Ÿš€ Love the technology

Room to Improve

  • ๐Ÿ› Doesn't seem to work on iOS 17
  • ๐Ÿ› Can't really disconnect from peripherals
  • ๐Ÿ› New update freezes on launch screen DON'T UPDATE!

More Dfu Plus apps to explore

4
LightBlueยฎ
LightBlueยฎ
LightBlueยฎ
The go-to BLE development tool
Free

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.

Scan and discover BLE peripheralsConnect and view device profilesRead and write characteristics
๐Ÿ”ง Utilities
(936)
ad-supported
5
Find My Airbuds Device Finder
Find My Airbuds Device Finder
Find My Airbuds Device Finder
Earbuds Air Bluetooth Tracker
Free

Quickly locate lost Bluetooth devices like earbuds, phones, and smartwatches. Utilizes signal tracking and radar indicators to guide you, with an option to play a sound on the device. Works with all Bluetooth-enabled gadgets.

Universal Bluetooth trackingSmart radar and signal strength indicatorSound alert mode
๐Ÿ”ง Utilities
(2.5K)
subscription
6
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
๐Ÿ“Š Productivity
(26K)
free with in-app purchases
7
Equalizer & Bass Booster FX
Equalizer & Bass Booster FX
Equalizer & Bass Booster FX
EQ, Volume Boost and louder
Free

Enhance your audio experience with this powerful sound equalizer and volume booster. Adjust bass and treble to fine-tune your music, and significantly increase volume for a louder, more immersive listening session. Unlock advanced features with a subscription for even greater control.

Volume booster up to 10xAdjust bass and trebleEqualizer mixer
๐ŸŽต Music
(3K)
freemium
8
Find My Bluetooth Device.
Find My Bluetooth Device.
Find My Bluetooth Device.
Find headset. BLE scanner
Free

Easily locate lost Bluetooth devices like headphones, earbuds, and speakers. The app uses signal strength to guide you closer, showing your proximity to the missing item.

Locate Bluetooth devicesUses RSSI signal strengthProximity radar
๐ŸŒŸ Lifestyle
(4.6K)
free with in-app purchases
9
BluOS Controller
BluOS Controller
BluOS Controller
Wireless Multi-room Music
Free

Control your wireless hi-res music systems from multiple brands. Stream music from various sources, synchronize playback across rooms, and manage your entire audio experience wirelessly from your smartphone or tablet.

Universal remote for BluOS-enabled systemsWireless multi-room music streamingAccess streaming services, libraries, and radio
๐ŸŽต Music
(5.3K)
free
10
Speaker & Headphones Connect
Speaker & Headphones Connect
Speaker & Headphones Connect
Connect to Alexa, Bose, JBL
Free

Connect and control various audio devices like speakers and headphones. Enhance your listening experience with a powerful equalizer, bass booster, and volume control. Stream music and podcasts, discover new content, and even use your phone as a live microphone.

Connect to multiple audio devicesPowerful equalizer and bass boosterVolume amplifier
๐ŸŽต Music
(19K)
freemium
11
Drong Cast
Drong Cast
Drong Cast
by Huizhou Dongrong Haotian Electronic Technology Co., Ltd.
Free

Access historical firmware versions and detailed update instructions for your devices. This utility app helps you manage and apply firmware updates with ease.

View historical firmware versionsAccess update instructionsFirmware management
๐Ÿ”ง Utilities
(3.2K)
free
12
Comfytemp
Comfytemp
Comfytemp
Deliver warmth to the world
Free

This application allows users to conveniently manage and interact with multiple Bluetooth smart devices from a single app. It simplifies the control and use of various smart products through a mobile phone interface.

Manage multiple Bluetooth smart devicesControl devices via mobile phoneConvenient device interaction
๐Ÿ”ง Utilities
(81)
free
13
TP-Link Tether
TP-Link Tether
TP-Link Tether
by TP-Link Systems Inc.
Free

Easily manage your TP-Link routers, DSL modems, and range extenders from your mobile device. Set up your network, control access, and monitor connected clients with an intuitive interface. Features include parental controls, LED management, and device blocking.

Network setup (SSID, password, internet settings)Block unauthorized usersManage client device permissions
๐Ÿ”ง Utilities
(144K)
free with in-app purchases
14
Keyboard DFU Tool
Keyboard DFU Tool
Keyboard DFU Tool
Bluetooth
Free

This utility app automatically upgrades the firmware for Bluetooth keyboards connected to iPads. It searches for and identifies compatible keyboards, then downloads and installs the appropriate firmware based on user selection.

Automatic Bluetooth keyboard firmware upgradeSearch and identify iPad Bluetooth keyboardsAutomatic firmware download
๐Ÿ”ง Utilities
(1)
free
15
BluetoothAssistant
BluetoothAssistant
BluetoothAssistant
Easy Bluetooth Control
Free

Easily discover, connect, and debug Bluetooth devices. This tool offers signal strength detection, information reading, and data read/write capabilities for efficient Bluetooth management.

Device scanningSignal strength detectionDevice connection
๐Ÿ› ๏ธ Developer Tools
(323)
free with in-app purchases
16
EarFun Audio
EarFun Audio
EarFun Audio
Better sound Better life
Free

This app enhances your listening experience with compatible wireless audio devices. Customize settings, optimize sound, and access helpful resources like guides and firmware updates for a personalized audio journey.

Customize earbud settingsOptimize sound effectsAccess FAQs and guides
๐Ÿ”ง Utilities
(1.7K)
free
17
TransKit
TransKit
TransKit
by Shenzhen Audiovisual Future Technology Co., Ltd
Free

Manage classic Bluetooth earphones and facilitate seamless communication with integrated translation features. Connect your phone to a Bluetooth device to access these functionalities for daily work or meetings.

Classic Bluetooth earphone managementBluetooth device connectionIntegrated translation functionality
๐Ÿ”ง Utilities
(56)
free
18
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
๐Ÿ› ๏ธ Developer Tools
(1.5K)
free with in-app purchases
19
BLE Scanner 4.0 โ€“ Bluetooth LE
BLE Scanner 4.0 โ€“ Bluetooth LE
BLE Scanner 4.0 โ€“ 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
๐Ÿ“Š Productivity
(615)
free with in-app purchases
20
Bluefy โ€“ Web BLE Browser
Bluefy โ€“ Web BLE Browser
Bluefy โ€“ 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
๐Ÿ”ง Utilities
(1.3K)
free