Synergi app
A ready-made whole-home optimisation app for your customers
Offer your customers a ready-made optimisation solution, run your own reward programmes, and aggregate their flexibility to earn revenue.
Why the Synergi app
The easiest way to get started with flexibility
Launch with a proven app instead of building your own.
Whole-home optimisation in one app
EVs, heat pumps and solar optimised together.
Your rewards, your revenue
Run your own reward programmes for customers and aggregate their flexibility for energy markets.
15,000+
households across Europe use the app
400+
device models supported, no hardware needed
< 2 min
to connect a device, zero installation
15
European countries with optimisation live
4.5/5
ease-of-use rating · 60% retention
Supported devices
Check supported devicesEVs
Heat pumps
Solar
Smart thermostats
Your brand or ours
Co-branded
The Synergi app under a shared brand, live with Helen.
White-label
The app under your own brand.
Customer story · Helen
Synergi optimisation launched as a free service to Helen's customer base in Nov 2025.
135%
better pilot enrolment with the Synergi playbook
4x
household adoption vs initial targets