Free
See everything your system is doing.
£0
Always
- Live data on the 3D house
- History for every day, month and year
- Every safety alert
- Widgets and Apple Watch
- House battery controls on FoxESS, GivEnergy and AlphaESS
Pricing
Free to watch.
Pay to automate.
Live data, history and safety alerts stay free, always. A plan lets IonVolt work your battery for you. Every plan starts with 2 weeks free.
Smart charging
Just want cheaper charging? The battery charges itself when power is cheapest.
£2.99 a month
or £24.99 a year
- Smart charging, planned from your tariff and the solar forecast
- Free Hours from your supplier
Pro
For taking control yourself.
£3.99 a month
or £34.99 a year
- Change your house battery from anywhere
- Car guard and your own automations
- Free Hours from your supplier
- House colours
Pro Plus
Everything IonVolt does: a battery that plans its own charging, and every control.
£4.99 a month
or £44.99 a year
- Smart charging
- Everything in Pro
Compare plans
| Feature | Smart | Pro | Pro Plus |
|---|---|---|---|
| Smart charging | ✓ Included | – Not included | ✓ Included |
| Free Hours | ✓ Included | ✓ Included | ✓ Included |
| Change your house battery's settings* | – Not included | ✓ Included | ✓ Included |
| Car guard | – Not included | ✓ Included | ✓ Included |
| Your own automations | – Not included | ✓ Included | ✓ Included |
| House colours | – Not included | ✓ Included | ✓ Included |
Free for everyone: live data, history, the 3D house and every safety alert.
* Changing the settings of a FoxESS, GivEnergy or AlphaESS battery is free, as it is in the maker's own app. On Duracell systems it's part of Pro.
How the free trial works
- Today: everything in your plan, free for 2 weeks.
- Day 12: IonVolt reminds you that the trial ends in two days.
- Day 14: your subscription starts, unless you've cancelled. Cancel any time.
Prices are in pounds and include VAT. Subscriptions are bought in the app and charged to your Apple Account or Google account. They renew automatically unless you cancel at least 24 hours before the end of the current period; manage or cancel them in your account settings. The 2 weeks free are for new subscribers.