# nRF Device Firmware Update vs Network Sniffer

The clearest difference is review sentiment: Network Sniffer at 71% against nRF Device Firmware Update's 20%. Network Sniffer also leads on rating (4.6 vs 2.2) and update cadence (every 3 weeks vs every 9 months). nRF Device Firmware Update's advantage is in-app purchases (none vs 1) and chart position (#146 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

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

Network Sniffer holds the better App Store score, 4.6 against 2.2. That said, the two scores are not equally well evidenced: Network Sniffer has 198 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 20% of nRF Device Firmware Update's written reviews are positive against 71% of Network Sniffer's.

nRF Device Firmware Update ships an update every 9 months, Network Sniffer every 3 weeks. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | nRF Device Firmware Update | Network Sniffer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (9 ratings)](https://appshunter.io/ios/app/nrf-device-firmware-update/id1624454660/reviews) | **[4.6 (198 ratings)](https://appshunter.io/ios/app/network-sniffer/id6450956188/reviews)** |
| Number of ratings | 9 | **198** |
| Positive reviews | 20.0% of reviews | **71.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#146** | — |
| Size | 5 MB | 65 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nordic Semiconductor ASA](https://appshunter.io/developer/497679114) | [CHENGDU MIAOZHI TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1465440799) |

## What reviewers say

### nRF Device Firmware Update

[App page](https://appshunter.io/ios/app/nrf-device-firmware-update/id1624454660)

**Currently charting:** #146 Top Free · Developer Tools (US App Store)

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:** macOS Compatibility

**In-app purchases:** none


### Network Sniffer

[App page](https://appshunter.io/ios/app/network-sniffer/id6450956188)

Analyze your device's network activity to understand app behavior. Identify which apps are connecting to the internet, their data usage, and potential privacy risks. Gain control over your network with detailed visual reports and advanced inspection tools.

**Highlights:** Deep network analysis with visual reports, Capture HTTP/HTTPS/WebSocket traffic, External proxy for custom inspection, JavaScript scripting for custom rules, Request replay and rewrite, Real-time speed and data usage widgets

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $7.99 | one-time |


## Frequently asked questions

### Is nRF Device Firmware Update free?

nRF Device Firmware Update is free to download, with no in-app purchases.

### Is Network Sniffer free?

Network Sniffer is free to download, with in-app purchases available.

### Which has better reviews, nRF Device Firmware Update or Network Sniffer?

Network Sniffer is rated higher. nRF Device Firmware Update averages 2.2 out of 5 from 9 ratings, while Network Sniffer averages 4.6 from 198 ratings.

### Do nRF Device Firmware Update or Network Sniffer have ads?

Neither nRF Device Firmware Update nor Network Sniffer shows ads.

### Which is updated more often, nRF Device Firmware Update or Network Sniffer?

nRF Device Firmware Update ships an update every 9 months, and Network Sniffer every 3 weeks. Most recently, nRF Device Firmware Update was updated on October 31, 2026 and Network Sniffer on October 30, 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.*