# nRF Edge Impulse vs Busy Bluetooth

nRF Edge Impulse and Busy Bluetooth both sit at 5.0 stars, but that hides the real split: 100% of Busy Bluetooth's written reviews are positive against 0% of nRF Edge Impulse's. Busy Bluetooth also leads on update cadence (every 5 weeks vs every 3 months). nRF Edge Impulse's advantage is in-app purchases (none vs 4). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Busy Bluetooth sells 3 in-app purchases, starting at $0.99 per month. nRF Edge Impulse asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for nRF Edge Impulse against 5.0 for Busy Bluetooth. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews are what separate them: 0% of nRF Edge Impulse's written reviews are positive against 100% of Busy Bluetooth's.

nRF Edge Impulse ships an update every 3 months, Busy Bluetooth every 5 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | nRF Edge Impulse | Busy Bluetooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/nrf-edge-impulse/id1557234087/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/busy-bluetooth/id6720723475/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 42 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nordic Semiconductor ASA](https://appshunter.io/developer/497679114) | [Wuhan FireFrog Technology Co., Ltd.](https://appshunter.io/developer/917083159) |

## What reviewers say

### nRF Edge Impulse

[App page](https://appshunter.io/ios/app/nrf-edge-impulse/id1557234087)

Train and deploy embedded machine learning models on a Nordic Thingy:53 device. Upload sensor data to the cloud for training and deploy models back to the device via Bluetooth LE. Supports various onboard sensors for data collection and inference.

**Highlights:** Train and deploy embedded ML models, Utilizes Edge Impulse Studio, Supports Nordic Thingy:53, Upload raw sensor data, Deploy models via Bluetooth LE, Collect data from multiple sensors, Label data for training/testing

**In-app purchases:** none


### Busy Bluetooth

[App page](https://appshunter.io/ios/app/busy-bluetooth/id6720723475)

This tool helps developers and engineers efficiently debug Bluetooth Low Energy devices. It allows real-time scanning, detailed inspection of device data, and recording of all interactions for repeatable debugging. Export logs in various formats for comprehensive analysis.

**Highlights:** Real-time BLE device scanning, Filter devices by various parameters, Inspect device details and advertisement data, Record connection events, reads, writes, and notifications, View payloads in hex, text, and decoded formats, Export logs as JSON/CSV or debugging packages

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $1.99 | per year |
| Lifetime Access | $2.99 | one-time |


## Frequently asked questions

### Is nRF Edge Impulse free?

nRF Edge Impulse is free to download, with no in-app purchases.

### Is Busy Bluetooth free?

Busy Bluetooth is free to download, with in-app purchases available.

### Which has better reviews, nRF Edge Impulse or Busy Bluetooth?

nRF Edge Impulse and Busy Bluetooth are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do nRF Edge Impulse or Busy Bluetooth have ads?

Neither nRF Edge Impulse nor Busy Bluetooth shows ads.

### Which is updated more often, nRF Edge Impulse or Busy Bluetooth?

nRF Edge Impulse ships an update every 3 months, and Busy Bluetooth every 5 weeks. Most recently, nRF Edge Impulse was updated on October 16, 2026 and Busy Bluetooth on October 6, 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.*