Which tariff fits my devices? | Ostrom Help Center
Which tariff fits my devices?
Written by Jen Tagliafico
September 19, 2025
❓ Can I connect my smart home devices or heat pump with the Ostrom app?
✅ Yes, you can connect your smart home devices or heat pump to the Ostrom app regardless of the tariff you choose.
❓ Do I need a Smart Meter to use it?
- SimplyFair tariff: ❌ No Smart Meter required.
- SimplyDynamic tariff: ✅ Yes, a Smart Meter is required.
❓ What are the benefits of the SimplyDynamic tariff?
With SimplyDynamic you can benefit from the cheapest hours on the electricity market:
- Create schedules for your devices
- Automatically optimize consumption based on electricity prices
- Save money when using flexible devices (e.g., heat pump, washing machine)
👉 Requirement: a Smart Meter
❓ What is the difference between SimplyFair and SimplyDynamic?
| Criterion | SimplyFair tariff | SimplyDynamic tariff |
| Smart home devices compatible | ✅ Yes | ✅ Yes |
| Heat pump compatible | ✅ Yes | ❌ No |
| Create schedules | ❌ No | ✅ Yes |
| Automatic optimization by price | ❌ No | ✅ Yes – savings possible through price fluctuations |
| Smart Meter required | ❌ No | ✅ Yes |
| Pricing model | 🔒 Fixed – stable and easy to calculate | 🔁 Flexible – price changes hourly based on the market |
| Savings potential | ⚠️ Limited | 💰 High – ideal for active consumption control |
| Technical effort | 🔧 Low – no extra hardware needed | ⚙️ Medium – Smart Meter & setup required |
| Best suited for… | 🔹 Users with stable consumption | 🔹 Tech-savvy users with controllable devices & cost-saving focus |
If you have any further questions, please don’t hesitate to reach out to our team — we’re happy to help.