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What's new in Rachio 4.21.9
Check out what's in the most recent app release:
• Bug fixes and performance enhancements.
About Rachio 4.21.9
The Rachio Smart Sprinkler Controller changes the way you water. It makes running your sprinklers easy and convenient while saving you water and money. Rachio automatically creates a watering schedule that lowers your water bill and ensures the beautiful yard you want, while the mobile app gives you access to your sprinkler system from anywhere. Plus, Rachio is compatible with nearly any sized yard and smart home platform.
This is the companion app to the industry leading Rachio Smart Sprinkler Controller.
Download Rachio 4.21.9
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:4.21.12
Uploaded:November 10, 2025 at 11:50PM UTC
File size:72.94 MB
Downloads:2
Version:4.21.11
Uploaded:November 4, 2025 at 5:57PM UTC
File size:72.93 MB
Downloads:1
Version:4.21.10
Uploaded:October 10, 2025 at 3:47PM UTC
File size:72.23 MB
Downloads:2
Version:4.21.9
Uploaded:October 9, 2025 at 3:50AM UTC
File size:72.23 MB
Downloads:2
Version:4.21.8
Uploaded:October 7, 2025 at 6:15PM UTC
File size:72.17 MB
Downloads:3
Version:4.21.7
Uploaded:October 1, 2025 at 11:31PM UTC
File size:71.92 MB
Downloads:1
Version:4.21.6
Uploaded:September 30, 2025 at 3:46PM UTC
File size:71.92 MB
Downloads:1
Version:4.21.5
Uploaded:September 17, 2025 at 3:54AM UTC
File size:72.5 MB
Downloads:2
Version:4.21.4
Uploaded:September 11, 2025 at 7:35PM UTC
File size:72.5 MB
Downloads:2
Version:4.21.3
Uploaded:September 2, 2025 at 4:15PM UTC
File size:72.5 MB
Downloads:5
