# Smart Temp Inverter vs HPOWER

The clearest difference is iOS requirement: Smart Temp Inverter at 9.0 against HPOWER's 17.0. On price, review sentiment, 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.

Smart Temp Inverter ships an update every 4 months, HPOWER every 3 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Smart Temp Inverter | HPOWER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hpower/id1436773059/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **4.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 24 MB | 3 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hayward](https://appshunter.io/developer/827614021) | [Toscano Linea Electronica SL](https://appshunter.io/developer/1170172273) |

## What reviewers say

### Smart Temp Inverter

[App page](https://appshunter.io/ios/app/smart-temp-inverter/id1243356225)

Control your pool heater remotely via Wi-Fi. Monitor pool temperature, check heater status, and adjust settings from your iPhone or iPad. View historical temperature data and set timers for efficient pool management.

**Highlights:** Remote pool heater control, Monitor pool temperature, Check heater running status, View temperature history, Set timers and countdowns, Pool heater maintenance alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### HPOWER

[App page](https://appshunter.io/ios/app/hpower/id1436773059)

Control your pool's water purifier and lights remotely via Bluetooth. Monitor system status, set schedules for filtering and lighting, and receive alerts for pump issues.

**Highlights:** Manual water purifier control, Pool light scheduling, System status monitoring, Filtering and lighting cycle tracking, Pump problem detection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Temp Inverter free?

Smart Temp Inverter is free to download, with no in-app purchases.

### Is HPOWER free?

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

### Do Smart Temp Inverter or HPOWER have ads?

Neither Smart Temp Inverter nor HPOWER shows ads.

### Which is updated more often, Smart Temp Inverter or HPOWER?

Smart Temp Inverter ships an update every 4 months, and HPOWER every 3 months. Most recently, Smart Temp Inverter was updated on November 2, 2026 and HPOWER on November 2, 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.*