BlackBLE vs HeatNext
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BlackBLE
Control Arduino devices via Bluetooth Low Energy from your iPhone. Send characters to trigger actions, use your phone as a joystick, and receive data. A simple way to connect your microcontroller projects to your mobile device.
- Bluetooth LE connection to HC-08 modules
- Send characters to microcontroller
- Joystick mode for device control
- Receive data from Bluetooth
- Simple button interface
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Finally you will be able to send information through Bluetooth to your Arduino using your iPhone! With this app, you can connect to a Bluetooth Low Energy module HC-08 and send characters to it. With these characters you can program actions in your microcontroller to be executed when receiving. On a very simple way, press the black Bluetooth icon on the upper right screen to see the list of every HC-08 available nearby. Press the name of your module and the app will automatically connect to it. When pressing each button of the app, the character present on button label will be send through Bluetooth and you can read it in a serial protocol on the module. Do you want more? What about rotating your iPhone and make it a joystick to control robots or whatever kind of system you want? If you rotate your device, screen will automatically changes to a joystick, with the same concept than the previous screen. And, of course, you can receive information from bluetooth and read on your screen (maximum of 20 bytes, or 20 chars). Now you can control whatever device using Bluetooth with your iPhone!
HeatNext
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HeatNext is a friendly app that allows you to remotely manage your home heating system using your mobile device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.
Screenshots
Verdict
The clearest difference is price: HeatNext at Free against BlackBLE's $0.99. HeatNext also leads on update cadence (every 2 months vs every 11 months). BlackBLE's advantage is in-app purchases (none vs 4) and iOS requirement (10.0 vs 13.0). On ads and device support 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
HeatNext is free to download; BlackBLE costs $0.99 up front. HeatNext sells 4 in-app purchases, starting at $1.99 per month. BlackBLE asks for nothing beyond the download.
BlackBLE ships an update every 11 months, HeatNext every 2 months. The most recent releases landed on September 16, 2026 and September 15, 2026 respectively.
| Parameter | BlackBLE | HeatNext |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 16 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | RoboCore Tecnologia LTDA | Nomnio |
In-app purchases
BlackBLE
No in-app purchases
HeatNext
- Plus Package$1.991 Month
- Advanced Package$3.991 Month
- Plus Package$18.991 Year
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- Advanced Package$37.991 Year









