Ratio Four
Drip Coffee Makers

Four

Ratio

Released Oct 1, 2024 · Analysis updated Mar 20, 2026

Ratio Four Automatic Coffee Maker delivers consistent brews, easy operation, lightweight build, and stylish appearance. The Ratio Four scores 87/100 based on 5 expert reviews in the drip coffee makers category. Coverage includes reviews from Tomsguide, Coffeereview, Coffeeness, and Seattlecoffeegear.

Critic Score

What's this?
87

based on 5 expert reviews

TomsguideCoffeereviewCoffeenessSeattlecoffeegearWired

Low confidence · only 5 reviews

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Pros

  • Excellent brewing performance(4)
  • Easy to use(3)

Cons

  • Pricey(2)

5 Expert Reviews

95
Jan 16, 2026

The Ratio Four goes where few coffee machines have gone before. It makes coffee like a pour-over, but with none of the effort.

88
Oct 28, 2024

The Ratio Four Coffee Machine is a lower-profile, more affordable brewer that excels at single-cup brewing with excellent performance and simple operation.

85
Feb 23, 2025

The Ratio Four Coffee Machine is a premium, compact drip coffee maker that delivers excellent coffee with minimalist design and automated precision.

85
Jan 24, 2025

The Ratio Four Coffee Maker is a deceptively simple brewer designed to brew 1-2 10 oz cups of coffee quickly and easily.

80
Feb 18, 2025

This new small-batch brewer makes amazing single-mug drip coffee with the press of a button.