Question 1

Which is better, Rachio 3e Gen Smart Controller or Rain Bird ST8I-2.0?

Accepted Answer

Based on our testing, the Rain Bird ST8I-2.0 scores higher overall at 9.4/10. The Rachio 3e Gen Smart Controller scored 8.6/10 and the Rain Bird ST8I-2.0 scored 9.4/10 in our Best Smart Irrigation Controllers 2026 evaluation.

Question 2

Is the Rachio 3e Gen Smart Controller worth it over the Rain Bird ST8I-2.0?

Accepted Answer

The Rachio 3e Gen Smart Controller scores 8.6/10 while the Rain Bird ST8I-2.0 scores 9.4/10. The Rachio 3e Gen Smart Controller is our "Best Overall" pick in the Best Smart Irrigation Controllers 2026 category.

Rachio 3e Gen Smart Controller vs Rain Bird ST8I-2.0: Which to Buy?