# HVAC语音助手 vs SmartTracker

The clearest difference is review sentiment: SmartTracker at 100% against HVAC语音助手's 0%. SmartTracker also leads on update cadence (every 6 days vs every 12 months). HVAC语音助手's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SmartTracker sells 2 in-app purchases, starting at $6.99 per year. HVAC语音助手 asks for nothing beyond the download.

HVAC语音助手 ships an update every 12 months, SmartTracker every 6 days. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | HVAC语音助手 | SmartTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smarttracker-price-tracker/id6754879283/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 49 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [荣锋 林](https://appshunter.io/developer/1042936800) | [Hugo Prione](https://appshunter.io/developer/1206460508) |

## What reviewers say

### HVAC语音助手

[App page](https://appshunter.io/ios/app/hvac/id1459208239)

This utility app allows users to manage their smart home devices, including thermostats, by connecting them to the cloud and integrating with voice assistants. It facilitates voice control for managing home environments.

**Highlights:** Account registration and login, Manage home and room settings, Device management, Cloud synchronization for thermostats, Amazon Alexa voice control integration

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartTracker

[App page](https://appshunter.io/ios/app/smarttracker-price-tracker/id6754879283)

Effortlessly monitor prices on any website and receive instant alerts when deals drop. Visualize price history with clear charts and organize wishlists. Integrates with Siri and Shortcuts for seamless price tracking.

**Highlights:** Track prices on any website, Set smart price alerts, View price history charts, Home and Lock Screen widgets, Siri and Shortcuts integration, Organize wishlists and collections, Export data to CSV

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Annual | $6.99 | per year |
| Premium - One-time purchase | $19.99 | one-time |


## Frequently asked questions

### Is HVAC语音助手 free?

HVAC语音助手 is free to download, with no in-app purchases.

### Is SmartTracker free?

SmartTracker is free to download, with in-app purchases available.

### Do HVAC语音助手 or SmartTracker have ads?

Neither HVAC语音助手 nor SmartTracker shows ads.

### Which is updated more often, HVAC语音助手 or SmartTracker?

HVAC语音助手 ships an update every 12 months, and SmartTracker every 6 days. Most recently, HVAC语音助手 was updated on October 6, 2026 and SmartTracker on October 15, 2026.

---

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