Life & fun · alternatives · 2026

24 alternatives to Wattspan

Power smarter, save cost

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Wattspan launched in 2024; newer entries below may have overtaken it.

1. 1TD
   Terminal dashboard that throttles my PC during peak electricity rates▲98

   WattWise is a CLI tool that monitors my workstation’s power draw using a smart plug and automatically throttles the CPU & GPUs during expensive Time-of-Use electricity periods. Built with Python, uses PID controllers for smooth transitions between power states. Works with TP-Link Kasa plugs and Home Assistant.

   2025 · naveen.ing · its alternatives →

2. 2
   Wattagio▲157

   Powerful battery informer and save power assistant for Mac

   2018 · its alternatives →

3. 3
   Watt Predictions▲2

   Smarter Grids Start Here.

   2025 · its alternatives →

4. 4
   Wattson▲74

   Rent/loan chargers, anywhere

   2023 · its alternatives →

5. 5
   WattSmart.app▲2

   Smart energy tracking for cheaper electricity bills

   20d ago · wattsmart.app · its alternatives →

6. 6
   HowMuchWatts▲5

   50 free calculators for home energy costs & savings

   Jul 2026 · howmuchwatts.com · its alternatives →

7. 7
   HelioCloud▲105

   Predict and prevent failure in solar plants

   2022 · its alternatives →

8. 8MT
   Mac toolbar app to show electricity cutoff schedule▲105

   2019 · mhasbini.com · its alternatives →

9. 9
   Ecoisme 2.0▲109

   A smart energy monitor for your home appliances

   2017 · its alternatives →

10. 10
    MeterStats▲82

    The ultimate app for keeping track of your energy usage

    2023 · its alternatives →

11. 11
    PowerPot▲105

    Charge your mobile devices with just heat and water.

    2015 · its alternatives →

12. 12
    CostAware▲60

    Home appliance electricity cost calculator

    2023 · its alternatives →

13. 13
    Hue Log▲162

    Philips Hue logging, monitoring and analytics for macOS

    2023 · its alternatives →

14. 14
    Mysa Smart Thermostats▲106

    The premiere smart thermostat for electric baseboard heaters

    2017 · its alternatives →

15. 15
    Sense▲128

    See what's up. Know what's on.

    2015 · its alternatives →

16. 16
    WattSized▲2

    What size power station do you actually need?

    Jul 2026 · its alternatives →

17. 17
    NuWatt▲2

    Smart Solar Monitoring

    Jun 2026 · portal.nuwatt.co · its alternatives →

18. 18
    Energy Calculators▲5

    Smart tools to calculate, compare ,optimize your power usage

    Nov 2025 · energycalculator.blog · its alternatives →

19. 19
    WattWise▲2

    Free calculators to estimate electricity costs

    Apr 2026 · wattwise.solutions · its alternatives →

20. 20
    NETATMO Healthy Home Coach▲79

    The smart indoor climate monitor

    2016 · its alternatives →

21. 21
    Energy Intelligence▲7

    Your personal energy assistant

    Nov 2025 · energyintelligence.ai · its alternatives →

22. 22
    Netatmo▲66

    Control your heating wherever you are

    2014 · its alternatives →

23. 23
    Cosmos▲6

    Monitor your home's electricity usage

    2025 · its alternatives →

24. 24
    Home Management▲4

    Track your home's water, electricity & heating — free

    Apr 2026 · home-management.dev · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →