create a mobile app for your Internet of things in 5 minutes

Connect your smartphone to any "thing" built with hardware like Arduino, Raspberry Pi, SparkFun, Intel, ESP8266 and 60+ others.
5.5 Device 1.png
It's FREE.
try Blynk app for iOS or Android:



Say "Hello, World" to your hardware in less than 5 minutes:
1. Drag-n-drop the widgets in Blynk app
2. Flash the example sketch to your device
3. Press PLAY ▶︎

Your smartphone now can talk to your hardware and back. Cool, right?

Get started now →

no more "I 😍/😡 <coding>" situations

Blynk works for newbies and for pros
For newbies: This is how basic Blynk sketch looks like. Just 10 lines of code.

For evil geniuses: your existing code can be easily integrated with Blynk saving you tons of development time and effort. You can build any logic and work with any 3rd party libraries.

Freedom of choice

Blynk works with any hardware, any Internet connection type, any sensors.

Arduino, ESP8266, Raspberry Pi, SparkFun, Intel, Particle Photon and Electron, Texas Instruments, SeeedStudio, still reading? Ethernet, WiFi, USB, 2G, 3G, LTE, LORA, BLE...

Check all the supported hardware here →

We have amazing friends and partners!
Widgets to build ANY interface

Visualize sensor data 📈 in real time, control things 📲 remotely, get notifications, and more.

Whether you are building a 🌡weather station, 🏠connected home or a 🤖robot - there is a widget for that.

Check what you can build with Blynk →

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When everything is ready you can publish YOUR OWN app to App Store and Google Play
😱 Wait, how? 😱

↓   ↓   ↓  

prototype →
customize →
👥 Share with friends and family

Share access to your projects with others even if they know nothing about electronics and coding. 

See how it works →
Enjoy the most 👽human way of setting the rules and schedules.

Subscribe for Blynk news → 
💯% no spam guaranteed ⛔️


☁️Cloud or 🛢Server?


Blynk Server is free and open–source. It's also lightweight and fast.

If you feel nerdy or just want to be sure no one else has access to your stuff, install Blynk server locally with a single line of code.

It can run even on a $5💵 Raspberry Pi. 
Check how →



other awesome Features


state SYNC

Imagine, you turned ON the lights from your smartphone. Now someone clicked a physical switch to turn it OFF. Blynk will update the button state in the app.

log and export data

You can log the sensor data, visualize it in Blynk app, and export in CSV format for later analysis

Change ui on the go

Blynk app UI can be changed straigh from the hardware: state, colors, labels


Just in case you need that

IFTTT integration

Use maker channel and connect your Blynking stuff to the world. 


Another cool feature