# AC  Service Tech LLC vs GREE Contractor Pro

The clearest difference is ads: GREE Contractor Pro at none against AC  Service Tech LLC's shown. GREE Contractor Pro also leads on rating (5.0 vs 4.6) and iOS requirement (15.6 vs 17.0). AC  Service Tech LLC's advantage is ratings volume (5 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GREE Contractor Pro holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: AC  Service Tech LLC has 5 ratings behind it against 1, so its average is the more settled of the two.

AC  Service Tech LLC ships an update every 3 weeks, GREE Contractor Pro every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | AC  Service Tech LLC | GREE Contractor Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/ac-service-tech-llc/id6759368574/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gree-contractor-pro/id6759624236/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 45 MB | 25 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [AC Service Tech, LLC](https://appshunter.io/developer/1878336344) | [Watsco, Inc.](https://appshunter.io/developer/510378878) |

## What reviewers say

### AC  Service Tech LLC

[App page](https://appshunter.io/ios/app/ac-service-tech-llc/id6759368574)

This app provides a comprehensive platform for HVAC/R technicians and students to access educational resources. It features training videos, calculators, online courses with certificates, articles, and podcast episodes, all in one convenient location.

**Highlights:** Access online courses with certificates, Watch over 750 training videos, Utilize HVAC/R calculation tools, Read articles and listen to podcasts, Track learning progress, Downloadable training certificates

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GREE Contractor Pro

[App page](https://appshunter.io/ios/app/gree-contractor-pro/id6759624236)

This app provides HVAC professionals with essential resources for GREE Heat Pump systems. Access installation guides, servicing information, troubleshooting tips, and live training sessions directly from your mobile device.

**Highlights:** Installation resources, Servicing information, Troubleshooting guides, Live trainings and broadcasts, Technical content notifications, Field access to resources

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AC  Service Tech LLC free?

AC  Service Tech LLC is free to download, with no in-app purchases.

### Is GREE Contractor Pro free?

GREE Contractor Pro is free to download, with no in-app purchases.

### Which has better reviews, AC  Service Tech LLC or GREE Contractor Pro?

GREE Contractor Pro is rated higher. AC  Service Tech LLC averages 4.6 out of 5 from 5 ratings, while GREE Contractor Pro averages 5.0 from 1 ratings.

### Do AC  Service Tech LLC or GREE Contractor Pro have ads?

AC  Service Tech LLC shows ads; GREE Contractor Pro does not.

### Which is updated more often, AC  Service Tech LLC or GREE Contractor Pro?

AC  Service Tech LLC ships an update every 3 weeks, and GREE Contractor Pro every 2 weeks. Most recently, AC  Service Tech LLC was updated on October 31, 2026 and GREE Contractor Pro on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*