Cool Mist ATX

Cool Mist ATX

Smart outdoor misting control

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Free

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Released
June 19, 2026
Updated
October 13, 2026
Cool Mist ATX screenshot #1 for iPhone
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About

Cool Mist ATX is the companion app for the Cool Mist ATX outdoor misting system. Schedule misting cycles, control one or more pumps, and get freeze-warning alerts — at home on WiFi or away with Cloud Control. Falls back to Bluetooth when your gateway can't be reached, so you're never locked out of the controls you need. KEY FEATURES Multi-pump support — pair as many Cool Mist ATX pumps as you own, switch between them from any screen, give each a friendly name Simple Timer — set continuous spray/pause cycles with a friendly wheel-based editor Advanced Timer — schedule up to 4 daily time windows with custom days and cycle parameters Freeze Alerts — get a push notification 24-48 hours before a hard freeze so you have time to drain your pump before pipes crack WiFi or Bluetooth — connect via your Cool Mist ATX gateway over WiFi, or directly to the pump over Bluetooth as a fallback Cloud Control — control your pump from anywhere, even when you're not on home WiFi, through a secure encrypted connection Home Assistant — integrated MQTT support for smart-home automation Over-the-air updates — gateway firmware can be updated from within the app Demo Mode — try the full app without hardware (tap "Try Demo" on the welcome screen) The Cool Mist ATX system is designed for outdoor cooling. Pair with a Cool Mist ATX gateway and FG-series pump for the complete experience. Visit coolmistatx.com to learn more.
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What's New in Cool Mist ATX

1.1.3

October 13, 2026

Setup polish and faster re-pairing • Re-pairing a gateway that already knows your WiFi now completes in about a second and a half instead of six. • If you mistype your WiFi password during setup, you’ll see a clear message saying so, instead of the sheet closing silently. • Setup now tells you when the gateway is retrying — “attempt 2 of 5” — so you know it’s still working on it. • Helpful hints when the network can’t be found (the gateway only supports 2.4 GHz networks, not 5 GHz) or when signal is weak. Reliability • Live Activity on the Lock Screen cleans up its server-side token properly when the pump turns off. • Credentials are stored with stricter protection — they stay on this device and don’t follow a restored backup to a new phone. • Freeze Alert review-device identity now follows your install instead of your gateway list, so changing which pumps you’re paired to doesn’t lose the designation. About screen • Shows your gateway’s hardware ID so support can identify your exact unit. • Hours since last oil change is visible at a glance. Pair with a Cool Mist ATX gateway and FG-series pump for the complete experience. Learn more at coolmistatx.com.

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