UnitDown AI vs PoliteKey

Commercial HVAC diagnostics, equipment memory, and field documentation in one place. UnitDown AI helps commercial HVAC technicians turn symptoms, measurements, alarms, and nameplate data into structured troubleshooting guidance—then carry that context into the next visit. DIAGNOSE WITH MORE CONTEXT Describe the problem in technician language. UnitDown AI organizes likely causes, first checks, meter and instrument checks, alternative faults, recommended actions, and risks to consider. SCAN EQUIPMENT NAMEPLATES Capture equipment data from a nameplate, review the extracted details, and save the unit for future service calls. KEEP EQUIPMENT HISTORY TOGETHER Build a service timeline with diagnostics, repairs, preventive maintenance, measurements, photos, parts, recommendations, and technician notes. RUN THE JOB FROM THE FIELD Create jobs, document progress, track required details, and keep customer sites and equipment organized from arrival through closeout. PREPARE BEFORE DISPATCH Use equipment history and van inventory to reduce forgotten parts and repeat trips. BUILT FOR COMMERCIAL HVAC Support for rooftop units, chillers, refrigeration, electrical faults, heating failures, airflow problems, economizers, compressors, and control systems. UnitDown AI provides informational decision support. Always follow lockout/tagout procedures, use proper PPE and approved instruments, verify conditions, and follow manufacturer service literature. Do not rely on UnitDown AI for emergency, life-safety, or final repair decisions. Some features require a UnitDown AI Pro auto-renewing subscription. Subscription terms and pricing are shown before purchase. Manage or cancel through your Apple ID subscription settings. Privacy Policy: https://unitdown.org/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Don't know how to phrase it? Afraid of saying the wrong thing? PoliteKey turns whatever you say out loud into polished, appropriate writing — right inside any app. PoliteKey is a third-party keyboard. Switch to it in Messages, Mail, Notes — anywhere you type. Tap the mic, just say what's on your mind, and AI instantly rewrites it into natural, well-mannered text with the right tone. One tap to insert. Long messages and long emails work too — just talk and they're written. Whether you're messaging a teacher, your boss, or a client, or writing a formal email, PoliteKey turns "what you mean" into "how it should sound." FEATURES - Speak, don't type: AI organizes your words into clear, polite writing - Three tones: Casual, Polite, Formal — the right level for every recipient (Pro unlocks all) - Works in any app: as a system keyboard, tap and talk in any text field - Long-form ready: long messages and emails supported - Refine endlessly: not happy? Keep polishing until it's right - Any language: write in whatever language you need - Practice scenarios: built-in email simulations to get you started - See your stats: how much you've written and the time you've saved PRIVACY FIRST - Online only while recording, stops the moment you're done — no voice is ever stored - Your drafts stay on your device, inaccessible once they leave it - Voice is used and discarded; draft history lives only on this device PRICING - Free: 30 voice rewrites per month - PoliteKey Pro: unlimited rewrites, all tones unlocked - Weekly US$6.99 (3-day free trial) - Yearly US$69.99 (about 80% off, avg US$1.35/week, cancel anytime) User Agreement: https://politekey.app/terms Privacy Policy: https://politekey.app/privacy