# RSD Notes vs HVAC Hero

The clearest difference is rating: RSD Notes at 5.0 against HVAC Hero's 4.7. RSD Notes also leads on iOS requirement (13.4 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

RSD Notes holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | RSD Notes | HVAC Hero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rsd-notes/id639483216/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/hvac-hero/id6480479348/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 54 MB | 68 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Refrigeration Supplies Distributor](https://appshunter.io/developer/639483219) | [HVAC Hero](https://appshunter.io/developer/1815876091) |

## What reviewers say

### RSD Notes

[App page](https://appshunter.io/ios/app/rsd-notes/id639483216)

Organize your job-related information with this app. Create notes, attach media, and easily find store locations. Access a built-in refrigerant pressure-temperature chart for quick reference.

**Highlights:** Create and store notes, Attach photos, videos, and voice recordings, Find RSD store locations with GPS, Built-in refrigerant PT chart, Email notes to RSD employee, Corporate contact information

**Features:** macOS Compatibility

**In-app purchases:** none


### HVAC Hero

[App page](https://appshunter.io/ios/app/hvac-hero/id6480479348)

This app provides HVAC professionals with AI-powered instant answers, a comprehensive resource library, and NFC tag scanning for quick access to manuals and warranty information. It aims to enhance efficiency and accuracy in field service.

**Highlights:** AI Chatbot for technical questions, Comprehensive HVAC resource library, NFC tag scanning for unit information, Manual search for troubleshooting, Up-to-date information database, Intuitive interface for technicians

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

**In-app purchases:** none


## Frequently asked questions

### Is RSD Notes free?

RSD Notes is free to download, with no in-app purchases.

### Is HVAC Hero free?

HVAC Hero is free to download, with no in-app purchases.

### Which has better reviews, RSD Notes or HVAC Hero?

RSD Notes is rated higher. RSD Notes averages 5.0 out of 5 from 3 ratings, while HVAC Hero averages 4.7 from 3 ratings.

### Do RSD Notes or HVAC Hero have ads?

Neither RSD Notes nor HVAC Hero shows ads.

### Which is updated more often, RSD Notes or HVAC Hero?

RSD Notes ships an update monthly, and HVAC Hero monthly. Most recently, RSD Notes was updated on October 2, 2026 and HVAC Hero on October 15, 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.*