# TSmart vs EM HVAC

The clearest difference is update cadence: EM HVAC at weekly against TSmart's every 3 months. TSmart's advantage is iOS requirement (12.4 vs 18.0). 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.

TSmart ships an update every 3 months, EM HVAC weekly. The most recent releases landed on October 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TSmart | EM HVAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/em-hvac/id6745068411/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 242 MB | 21 MB |
| Requires iOS | **12.4** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Guangdong Wankezi Intelligent Control Technology Co.,Ltd.](https://appshunter.io/developer/1628490374) | [Changliang Dai](https://appshunter.io/developer/1810611253) |

## What reviewers say

### TSmart

[App page](https://appshunter.io/ios/app/tsmart/id1642288311)

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

**In-app purchases:** none


### EM HVAC

[App page](https://appshunter.io/ios/app/em-hvac/id6745068411)

This app connects homeowners with 24/7 HVAC repair and service professionals. Book appointments, get instant repair plans and pricing, and track service progress in real time. Upload photos for remote diagnosis by licensed technicians.

**Highlights:** Book HVAC services online, Instant repair plans and pricing, Remote diagnosis via photo upload, Transparent pricing options, Real-time service tracking, Verified technicians with ratings

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

**In-app purchases:** none


## Frequently asked questions

### Is TSmart free?

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

### Is EM HVAC free?

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

### Do TSmart or EM HVAC have ads?

Neither TSmart nor EM HVAC shows ads.

### Which is updated more often, TSmart or EM HVAC?

TSmart ships an update every 3 months, and EM HVAC weekly. Most recently, TSmart was updated on October 27, 2026 and EM HVAC on October 6, 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.*