# Peirce Phelps HVAC Pro+ vs Simco Engineers

The clearest difference is update cadence: Simco Engineers at every 3 weeks against Peirce Phelps HVAC Pro+'s every 6 weeks. Simco Engineers also leads on iOS requirement (13.4 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Peirce Phelps HVAC Pro+ ships an update every 6 weeks, Simco Engineers every 3 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Peirce Phelps HVAC Pro+ | Simco Engineers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (54 ratings)](https://appshunter.io/ios/app/peirce-phelps-hvac-pro-plus/id1491350039/reviews)** | — |
| Number of ratings | **54** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 165 MB | 56 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Watsco, Inc.](https://appshunter.io/developer/510378878) | [AHASOLAR TECHNOLOGIES LIMITED](https://appshunter.io/developer/1632224285) |

## What reviewers say

### Peirce Phelps HVAC Pro+

[App page](https://appshunter.io/ios/app/peirce-phelps-hvac-pro-plus/id1491350039)

This app provides HVAC professionals with on-the-go access to product information, real-time availability, and pricing. It includes tools for finding AHRI matched systems, checking warranties, and locating parts, along with helpful calculators and a flashlight feature.

**Highlights:** Real-time product availability and pricing, AHRI matched system search, Warranty verification, Parts lookup and superseded parts, Document access (spec sheets, manuals), Location finder with directions, Duct calculator, QR code and UPC scanner

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

**In-app purchases:** none


### Simco Engineers

[App page](https://appshunter.io/ios/app/simco-engineers/id6443891485)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Peirce Phelps HVAC Pro+ free?

Peirce Phelps HVAC Pro+ is free to download, with no in-app purchases.

### Is Simco Engineers free?

Simco Engineers is free to download, with no in-app purchases.

### Do Peirce Phelps HVAC Pro+ or Simco Engineers have ads?

Neither Peirce Phelps HVAC Pro+ nor Simco Engineers shows ads.

### Which is updated more often, Peirce Phelps HVAC Pro+ or Simco Engineers?

Peirce Phelps HVAC Pro+ ships an update every 6 weeks, and Simco Engineers every 3 weeks. Most recently, Peirce Phelps HVAC Pro+ was updated on November 3, 2026 and Simco Engineers on October 27, 2026.

---

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