# Code EMS vs P3 HVAC Software

The clearest difference is device support: Code EMS at 3 against P3 HVAC Software's 1. Code EMS also leads on iOS requirement (8.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Code EMS ships an update monthly, P3 HVAC Software every 3 weeks. The most recent releases landed on September 5, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Code EMS | P3 HVAC Software |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (11 ratings)](https://appshunter.io/ios/app/p3-hvac-software/id6443444737/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 75 MB | 75 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [IPS Group Inc](https://appshunter.io/developer/1055789533) | [HVAC Business Solutions, LLC](https://appshunter.io/developer/522611719) |

## What reviewers say

### Code EMS

[App page](https://appshunter.io/ios/app/code-ems/id1615808624)

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

**In-app purchases:** none


### P3 HVAC Software

[App page](https://appshunter.io/ios/app/p3-hvac-software/id6443444737)

This comprehensive software helps residential HVAC companies manage operations, from scheduling service calls and customer interactions to tracking sales and service. It empowers technicians with mobile access for on-the-go updates, aiming to reduce paperwork and foster business growth.

**Highlights:** Real-time scheduling, Customer management, Call answering & outbound booking, Sales & service tracking, Tech-friendly mobile access

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Code EMS free?

Code EMS is free to download, with no in-app purchases.

### Is P3 HVAC Software free?

P3 HVAC Software is free to download, with no in-app purchases.

### Do Code EMS or P3 HVAC Software have ads?

Neither Code EMS nor P3 HVAC Software shows ads.

### Which is updated more often, Code EMS or P3 HVAC Software?

Code EMS ships an update monthly, and P3 HVAC Software every 3 weeks. Most recently, Code EMS was updated on September 5, 2026 and P3 HVAC Software on September 21, 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.*