Comparison

BluetoothAssistant vs nRF Device Firmware Update

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BluetoothAssistant

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

Highlights
  • Device scanning
  • Signal strength detection
  • Device connection
  • Device information reading
  • Data reading & writing
  • Log data
  • Batch writing
Features
Read full description

Bluetooth Assistant can help you discover surrounding Bluetooth devices, connect and debug them. Key Features: Device scanning Signal strength detection Device connection Device information reading Data reading & writing Log data Batch writing Data packet storage Save and delete common write data Privacy policy: https://hzjuzhi.com/apps/bluetooth/privacy/ Terms of Use: https://hzjuzhi.com/apps/bluetooth/terms/

About

nRF Device Firmware Update

This application enables Over-The-Air Device Firmware Upgrade (OTA-DFU) for nRF5 devices using Bluetooth LE. It supports updating firmware in .zip format, prepared with the 'nrf util' tool.

Highlights
  • Over-The-Air Device Firmware Upgrade (OTA-DFU)
  • Bluetooth LE connectivity
  • Supports nRF5x Series chips
  • Updates Secure or Legacy DFU bootloaders
  • Requires .zip firmware format
  • Uses 'nrf util' for firmware preparation
Features
Read full description

The nRF5x Series chips are flash-based SoCs, and as such they represent the most flexible solution available. A key feature of the nRF5x Series and their associated software architecture and S-Series SoftDevices is the possibility for Over-The-Air Device Firmware Upgrade (OTA-DFU) over Bluetooth LE. The DFU application allows to update nRF5 devices using Secure or Legacy DFU bootloader from nRF5 SDK version 4.3 or newer. The firmware should be in .zip file format, prepared using "nrf util" (https://github.com/NordicSemiconductor/pc-nrfutil).

Screenshots

BluetoothAssistant4 screens
nRF Device Firmware Update3 screens

Verdict

The call

The clearest difference is rating: BluetoothAssistant at 4.2 against nRF Device Firmware Update's 2.7. BluetoothAssistant also leads on review sentiment (62% vs 20%) and update cadence (monthly vs every 9 months). nRF Device Firmware Update's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, chart position, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BluetoothAssistant sells 1 one-off in-app purchase. nRF Device Firmware Update asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BluetoothAssistant holds the better App Store score, 4.2 against 2.7. That said, the two scores are not equally well evidenced: BluetoothAssistant has 1K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 62% of BluetoothAssistant's written reviews are positive against 20% of nRF Device Firmware Update's.

UpkeepUpdate frequency

BluetoothAssistant ships an update monthly, nRF Device Firmware Update every 9 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard7 real differences · 4 level
BluetoothAssistant versus nRF Device Firmware Update: the parameters behind the verdict, then further details
ParameterBluetoothAssistantnRF Device Firmware Update
PriceFreeFree
Rating4.2 (1K ratings) — better2.7 (9 ratings)
Positive reviews62.1% of reviews — better20.0% of reviews
Number of ratings1K — better9
Update frequencyMonthly — betterEvery 9 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#48 — better#123
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size83 MB5 MB
Age rating4+4+
DeveloperHangzhou OrangeJuice Technology Co., Ltd.Nordic Semiconductor ASA

Customer experience

BluetoothAssistant

All ratings1,013 ratings
Positive79.4%
Neutral4.9%
Negative15.7%
Written reviews95 reviews
Positive62.1%
Neutral5.3%
Negative32.6%

nRF Device Firmware Update

All ratings9 ratings
Positive33.3%
Neutral11.1%
Negative55.6%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

Bugs and requests

BluetoothAssistant

Reported bugs

3 issues
  • Crashes and freezes
  • Unable to connect to certain devices
  • Inaccurate device information

Requested features

3 requests
  • Support for more Bluetooth devices
  • Improved device detection and connection
  • Better battery optimization

nRF Device Firmware Update

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

BluetoothAssistant

One-time1
  • VIP$3.99
None

nRF Device Firmware Update

No in-app purchases

Questions

Is BluetoothAssistant free?
BluetoothAssistant is free to download, with in-app purchases available.
Is nRF Device Firmware Update free?
nRF Device Firmware Update is free to download, with no in-app purchases.
Which has better reviews, BluetoothAssistant or nRF Device Firmware Update?
BluetoothAssistant is rated higher. BluetoothAssistant averages 4.2 out of 5 from 1K ratings, while nRF Device Firmware Update averages 2.7 from 9 ratings.
Do BluetoothAssistant or nRF Device Firmware Update have ads?
BluetoothAssistant shows ads; nRF Device Firmware Update does not.
Which is updated more often, BluetoothAssistant or nRF Device Firmware Update?
BluetoothAssistant ships an update monthly, and nRF Device Firmware Update every 9 months. Most recently, BluetoothAssistant was updated on September 22, 2026 and nRF Device Firmware Update on September 23, 2026.
Which is more popular, BluetoothAssistant or nRF Device Firmware Update?
BluetoothAssistant currently peaks at #48 in the App Store charts, and nRF Device Firmware Update at #123. Chart position reflects recent download velocity rather than total install base.

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