Download Rachio APK
v4.21.4 ·
APK
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About Rachio
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.
All Rachio APK versions
4.21.4
May 06, 20264.21.5
Apr 25, 20264.21.6
Mar 28, 20264.21.7
Mar 25, 20264.21.8
Mar 15, 20264.21.9
Mar 13, 20264.21.10
Mar 10, 20264.21.11
Jan 25, 20264.21.12
Jan 10, 20264.21.13
Dec 17, 2025Frequently Asked Questions
Yes. Every Rachio APK on APK.now is automatically scanned and the cryptographic signature is verified against the original publisher's certificate (Rachio). Files that fail verification are removed before they ever reach the catalog.
Enable 'Install from unknown sources' for your browser (or the file manager you use to open the APK) under Settings → Apps → Special access. Tap the downloaded Rachio APK, confirm the prompts, and Android installs it just like any app from the Play Store.
The latest Rachio version available on APK.now is 4.21.4. We track new releases from Rachio continuously and add them to the catalog as soon as they pass verification.
Yes — every Rachio APK and every version on APK.now is free to download. We never gate downloads behind sign-up, surveys, or paywalls.
APK.now keeps a full archive of every Rachio release, including older versions that the Play Store has already replaced. The APKs work on devices without Google Play Services (Huawei, GrapheneOS, Amazon Fire) and are signature-verified so you can be confident the file is genuine.