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WattMate icon

WattMate

Tracks macOS battery use live in watts per app, shows quantified minute-savings when quitting, details overnight wake causes, historical use comparison, battery health reporting, groups helpers, offers practical ranges, stores all data locally, no uploads.

Power in real watts per app, and the receipt: what quitting Safari is worth in minutes.

Cost / License

  • Freemium (Pay once or Subscription)
  • Proprietary

Application type

Platforms

  • Mac  Apple silicon only (M1 or later); macOS 14 or later. Intel Macs are not supported.
The menu bar popover in full: battery, watts per app with helpers grouped, and the quit receipt.
The night report: what the sleep cost in charge, and which services woke the Mac, by name.
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Features

Properties

  1.  Lightweight

Features

  1.  No registration required
  2.  Works Offline
  3.  Ad-free
  4.  Dark Mode
  5.  Battery Monitor
  6.  Battery Health

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WattMate information

  • Developed by

    PL flagVitali Staradubau

  • Licensing

    Proprietary and Freemium product.

  • Pricing

    One time purchase that costs $29, and / or subscription that costs $1 per month + free version with limited functionality.

  • Alternatives

    8 alternatives listed

  • Badge

    Get an embeddable badge for WattMate

  • Supported Languages

    • English
    • Russian

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System & Hardware

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What is WattMate?

WattMate shows where your Mac's battery actually goes. Not Activity Monitor's unitless "Energy Impact", but real watts per app, live, with helpers grouped under the app they belong to. Requires macOS 14 or later, Apple silicon.

Its signature is the receipt: WattMate names what quitting an app is worth in minutes, then re-measures the Mac two minutes after you quit and prints what actually changed. When the effect can't be isolated honestly, it says so instead of taking credit.

It also explains your nights: the macOS power log knows which service woke the Mac while the lid was closed and for how long. WattMate reads it and names names. Plus history (today against yesterday), battery health for free, and honest ranges instead of fake precision.

Price: $9.99 a year or $29 once, plus a 10-day trial that needs no card. The free layer keeps the app list, their watts, battery health, the last session and the last night forever.

Everything is measured and computed on your Mac. Nothing you measure is uploaded. Native Swift, notarized by Apple, negligible self-cost (measured).