# UnitDown AI — Hvac DIagnostic Assistant

> Hvac DIagnostic Assistant (iPhone/iPad app by JESUS ESCAMEA.)

- Source: https://appshunter.io/ios/app/unitdown-ai/id6767750626 (this page in markdown: same URL + `.md`)
- Developer: [JESUS ESCAMEA](https://appshunter.io/developer/1896505910)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 6 MB
- Languages: American English
- Released: 2026-06-18
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/unitdown-ai/id6767750626/reviews.md

## What is UnitDown AI?

UnitDown AI is a commercial HVAC diagnostic assistant built for service technicians who troubleshoot rooftop units, refrigeration systems, electrical faults, heating failures, airflow problems, economizers, compressors, and control systems.

Designed for real-world commercial service work across the United States and Canada, UnitDown AI combines AI-guided troubleshooting, technician-style diagnostic workflows, equipment history, nameplate scanning, repair logging, and saved customer equipment into one powerful field tool.

Whether you're diagnosing a no-cool call, electrical failure, low airflow, refrigerant issue, ignition problem, or intermittent control fault, UnitDown AI helps technicians isolate problems faster and make more confident repair decisions.

Key Features:
• AI-guided commercial HVAC diagnostics
• Equipment nameplate scanning
• Equipment history and repair logs
• Saved customer sites and units
• Diagnostic timeline and technician notes
• Commercial rooftop unit (RTU) support
• Refrigeration and electrical troubleshooting
• Guided troubleshooting workflows
• Team collaboration and shared equipment history

Built by a commercial HVAC technician for commercial HVAC technicians.
Privacy Policy:
https://unitdown.org/privacy

Terms of Use (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| UnitDown Pro Monthly | $9.99 | per month |
| UnitDown Pro Annual | $149.00 | per year |



## Version history (last 5 releases)

### 2.8.8 — 2026-08-18

What's New in Version 2.8.8:

• PRO SUBSCRIPTION ACCESS: Smooth, flexible subscription management—unlock full access to Pro features with monthly or annual options.
• AUTHENTICATION & SIGN-IN IMPROVEMENTS: Upgraded account authentication flow for a faster, more reliable sign-in experience in the field.
• DIAGNOSTIC PERFORMANCE: Refined AI diagnostic response speeds and minor bug fixes to keep your service calls moving quickly.

### 2.5.1 — 2026-08-08

What's New in Version 2.1.8

• New streamlined authentication experience
• Improved Apple and Google sign-in flow
• Enhanced equipment nameplate scanning
• Faster onboarding and improved app performance
• Continued improvements to the AI diagnostic engine
• Numerous bug fixes and stability enhancements

### 2.0.6 — 2026-07-21

Version 2.0.6
This update focuses on reliability and a smoother field experience.
New & Improved
Improved account creation and sign-in reliability.
Better session persistence to reduce unexpected logouts.
Performance and stability improvements throughout the app.
Faster loading and smoother navigation.
Bug fixes and UI refinements.
Continued improvements to equipment history, technician notes, and saved unit workflows.
Thank you to the technicians using UnitDown AI in the field. Your feedback continues to shape every update.

### 2.0.5 — 2026-07-16

Faster sign-in, smoother performance, improved equipment management, and AI-powered commercial HVAC diagnostics with saved history and scans.

### 2.0.4 — 2026-07-16

Version 2.0.3

* Improved sign-in reliability and account authentication.
* Enhanced overall app stability and performance.
* Smoother navigation and user experience throughout the app.
* Fixed issues affecting certain login scenarios.
* Continued refinements to commercial HVAC diagnostics and field workflows.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*