# BLE Scanner 4.0 vs IoT OnOff

The clearest difference is rating: BLE Scanner 4.0 at 4.3 against IoT OnOff's 3.5. BLE Scanner 4.0 also leads on ratings volume (614 vs 14) and review sentiment (58% vs 48%). IoT OnOff's advantage is iOS requirement (11.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. BLE Scanner 4.0 sells 3 in-app purchases, starting at $2.99 per month and IoT OnOff sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BLE Scanner 4.0 holds the better App Store score, 4.3 against 3.5. That said, the two scores are not equally well evidenced: BLE Scanner 4.0 has 614 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 58% of BLE Scanner 4.0's written reviews are positive against 48% of IoT OnOff's.

BLE Scanner 4.0 ships an update every 6 weeks, IoT OnOff every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BLE Scanner 4.0 | IoT OnOff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (614 ratings)](https://appshunter.io/ios/app/ble-scanner-40-bluetooth-le/id1221763603/reviews)** | [3.5 (14 ratings)](https://appshunter.io/ios/app/iot-onoff/id1267226555/reviews) |
| Number of ratings | **614** | 14 |
| Positive reviews | **57.6% of reviews** | 48.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 29 MB | 19 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bluepixel Technologies LLP](https://appshunter.io/developer/1221763602) | [Kris Van Hoye](https://appshunter.io/developer/1267226554) |

## What reviewers say

### BLE Scanner 4.0

[App page](https://appshunter.io/ios/app/ble-scanner-40-bluetooth-le/id1221763603)

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.

**Highlights:** Instant BLE device discovery with RSSI, Radar view for device distance visualization, Smart filtering by name, UUID, RSSI, and more, iBeacon and Eddystone scanning, Data export to CSV, Custom BLE advertising packet creation, Secure GATT service and characteristic exploration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertiser Plan | $2.99 | per month |
| Cloud Subscription | $4.99 | per month |
| Ultimate Subscription | $5.99 | per month |

**What reviewers like**

- 🚀 Detects Bluetooth devices well
- 👍 Useful for development and testing
- 🔍 Helps find lost Bluetooth devices

**What reviewers complain about**

- 🐛 Crashes or doesn't work on some devices
- 🤔 Unclear or confusing user interface
- 🔋 Drains battery quickly
- 🔒 Privacy concerns with permissions

**Reported bugs**

- Stuck in update loop after latest version
- Search and filtering functions not working
- Crashes when trying to add new iBeacons

**Requested features**

- Add distance or location information for detected devices
- Improve filtering and sorting of detected devices
- Provide more detailed device information
- Add support for more Bluetooth device types


### IoT OnOff

[App page](https://appshunter.io/ios/app/iot-onoff/id1267226555)

Monitor and control your Internet of Things projects with this app. It offers interactive widgets for data presentation and in-app configuration. Supports JSON formatted MQTT messages and includes a demo configuration for immediate use.

**Highlights:** Interactive widgets for IoT data, In-app configuration, JSON formatted MQTT message handling, Customizable themes, Multiple dashboards, Auto reconnect to MQTT broker, Topic builder with autocomplete

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium edition | $2.99 | one-time |
| JSON parser | $2.99 | one-time |
| Storage Manager | $2.99 | one-time |

**What reviewers like**

- 👍 Works well with MQTT
- 🚀 Fast and responsive GUI
- 👍 Configurable interface
- 👍 Good for prototyping
- 👍 Works with local brokers

**What reviewers complain about**

- 🐛 Inconsistent responsiveness
- 🐛 UI issues on modern iPhones
- 🐛 Buttons hard to tap
- 🐛 Graph widgets limited
- 🐛 Lacks documentation

**Reported bugs**

- Icons sometimes not working
- App does not respond to screen clicks
- Cannot save groups or add items
- Storage Manager does not see saved configs
- Interface forces users to keep tapping

**Requested features**

- Add shortcuts for voice commands
- Add momentary push button widget
- Add more colorful widgets
- Add datalogger widget
- Add ability to connect to multiple brokers simultaneously


## Frequently asked questions

### Is BLE Scanner 4.0 free?

BLE Scanner 4.0 is free to download, with in-app purchases available.

### Is IoT OnOff free?

IoT OnOff is free to download, with in-app purchases available.

### Which has better reviews, BLE Scanner 4.0 or IoT OnOff?

BLE Scanner 4.0 is rated higher. BLE Scanner 4.0 averages 4.3 out of 5 from 614 ratings, while IoT OnOff averages 3.5 from 14 ratings.

### Do BLE Scanner 4.0 or IoT OnOff have ads?

Neither BLE Scanner 4.0 nor IoT OnOff shows ads.

### Which is updated more often, BLE Scanner 4.0 or IoT OnOff?

BLE Scanner 4.0 ships an update every 6 weeks, and IoT OnOff every 3 weeks. Most recently, BLE Scanner 4.0 was updated on October 29, 2026 and IoT OnOff on October 24, 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.*