BLE Scanner 4.0 vs IoT OnOff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLE Scanner 4.0
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 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
Read full descriptionHide full description
No. 1 Scanner Utility app for BLE devices and trusted by developers, hobbyists, and everyday users worldwide, BLE Scanner 4.0 is your go-to app for Bluetooth Low Energy exploration. Easily discover, connect, and manage your Bluetooth Low Energy (BLE) devices. Whether you’re a developer testing BLE device signals or a user tracking your smart gadgets, BLE Scanner gives you powerful tools to scan, analyze, and connect all in one app. Why BLE Scanner? - Instant Discovery: Quickly find nearby BLE devices with real-time signal strength (RSSI). Lower the number the closer you are to the source i.e. -25 is very near and -80 is far from your BLE devices. - Radar View: Visualize device distance and movement around you. - Smart Filters: Search by name, UUID, RSSI, or major/minor values. - iBeacon & Eddystone Support: Scan, monitor, and analyze beacon data seamlessly. - Data Export: Save scan history or export logs to CSV for advanced analysis. - Custom Advertising: Create your own BLE advertising packets for testing & IoT projects. - Upload data to the cloud: Upload your BLE device data on your own cloud using HTTPS or MQTT URL. - Secure Connections: Connect to GATT services and explore characteristics. Built for Developers & Engineers - Inspect GATT services & characteristics - Read and write BLE characteristics - Debug BLE communication issues - Ideal for firmware testing & validation Privacy First • No account required • No personal data collected • BLE scanning performed locally on your device Privacy Policy: https://www.bluepixeltech.com/appVersion/privacy-policy-blescanner.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Follow us on: Facebook: https://www.facebook.com/blescanner X: https://x.com/blescanner Comments, questions, or suggestions? Visit us: www.bluepixeltech.com or Email us: blescanner@bluepixeltech.com
IoT OnOff
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.
- 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
Read full descriptionHide full description
Monitor and control your Internet Of Things (IoT) projects with this app. Everything can be configured inside the app. The app is preconfigured with a demo configuration so that you experience the simplicity directly after the install. (Tip: use two devices to see and feel the speed of the app.) Optionally, JSON formatted MQTT messages can be handled. We designed smart interactive widgets (controls) so your IoT data will be presented nice and smooth. Under the MQTT broker settings menu we have foreseen a list with public available MQTT brokers. We are not responsible for the availability of these brokers. If the default broker is not active, please select another one of the list or configure your own. Features: * Nice set of widgets * In-app configuration * Theme support * Customisable themes, locally and remote * Auto reconnect to MQTT broker * Native TCP sockets & WebSockets * Client support for topic filters with wildcards * Grid layout with rearrange support * Multiple dashboards * High performance * JSON parser (optionally) * Backup / restore (optionally) * Export / import (optionally) * Export / import single widget from one device to another (optionally) * Copy and move widgets from one dashboard to another * Topic builder with autocomplete * Manage list of MQTT brokers * E-mail support * GDPR compliant No advertising in the app. Have fun!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | BLE Scanner 4.0 | IoT OnOff |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (614 ratings) — better | 3.5 (14 ratings) |
| Positive reviews | 57.6% of reviews — better | 48.5% of reviews |
| Number of ratings | 614 — better | 14 |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Bluepixel Technologies LLP | Kris Van Hoye |
Customer experience
BLE Scanner 4.0
IoT OnOff
User reviews
BLE Scanner 4.0
From 614 App Store ratingsWhat we love
- 🚀 Detects Bluetooth devices well
- 👍 Useful for development and testing
- 🔍 Helps find lost Bluetooth devices
Room to improve
- 🐛 Crashes or doesn't work on some devices
- 🤔 Unclear or confusing user interface
- 🔋 Drains battery quickly
- 🔒 Privacy concerns with permissions
IoT OnOff
From 14 App Store ratingsWhat we love
- 👍 Works well with MQTT
- 🚀 Fast and responsive GUI
- 👍 Configurable interface
- 👍 Good for prototyping
- 👍 Works with local brokers
Room to improve
- 🐛 Inconsistent responsiveness
- 🐛 UI issues on modern iPhones
- 🐛 Buttons hard to tap
- 🐛 Graph widgets limited
- 🐛 Lacks documentation
Bugs and requests
BLE Scanner 4.0
Reported bugs
3 issues- Stuck in update loop after latest version
- Search and filtering functions not working
- Crashes when trying to add new iBeacons
Requested features
4 requests- 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
Reported bugs
55 issues- 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
Show 50 moreShow fewer
- App does not account for screen island
- Restore data not found after reinstall
- Graph widgets only update when app is in foreground
- Menu buttons too close to corners
- Buttons too close to top/corners of screen
- App regularly locks up
- App crashes when trying to connect to broker
- JSON with underscore character results in unknown
- Buttons at top/bottom don't work
- Top/bottom controls don't work
- Cannot subscribe to anything
- Back button on subscribe UI does not react
- App is buggy and moody about connecting to MQTT
- Connection status message blinks on and off
- Does not update button status if commanded locally
- Stopped connecting to MQTT server
- JSON converter does not convert numbers correctly
- Cannot connect to broker anymore
- Cannot configure iPhone XR
- Buttons by the notch require multiple taps
- Cannot add topic in settings
- Keyboard does not appear on input field
- Cannot connect to CloudMQTT
- App tries to subscribe to a fixed topic
- Does not get messages when subscribing
- Errors appear at the server when editing dashboard while connected
- Seems incompatible with Thingspeak.com broker
- No log message for connection struggles
- App bombard network with Google Analytics requests
- Not working on iOS 9.3.5
- App lost configuration by closing the app
- Cannot connect to my broker
- Controls at the top of the screen are hard to interact with
- Does not connect to broker
- UI issues on modern iPhones
- Buttons hard to tap
- Restore data not working
- JSON parsing issues
- App crashes
- Not working on latest iOS
- Does not update when in background
- Family sharing not working
- Tracking in app
- Incompatible with some brokers
- Lacks instructions
- Does not display all data
- Automatic updates limited
- Lost configuration
- Not connecting to broker
- Few widgets available
Requested features
14 requests- 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
Show 9 moreShow fewer
- Add notifications when changing topic
- Add support for Russian language
- Add option to select number of switches and their labels
- Add ability to extract specific bits from data
- Add joystick control widget
- Add large light display and control widget
- Add percentage value for blinds
- Add simple animated pictogram
- Add X/Y control widget
In-app purchases
BLE Scanner 4.0
- Advertiser Plan$2.991 Month
- Cloud Subscription$4.991 Month
- Ultimate Subscription$5.991 Month
IoT OnOff
- Premium edition$2.99
- JSON parser$2.99
- Storage Manager$2.99
Questions
Is BLE Scanner 4.0 free?
Is IoT OnOff free?
Which has better reviews, BLE Scanner 4.0 or IoT OnOff?
Do BLE Scanner 4.0 or IoT OnOff have ads?
Which is updated more often, BLE Scanner 4.0 or IoT OnOff?
Other comparisons
