# thermex HT500 SET vs E.C.A. Poly Smart

The clearest difference is iOS requirement: thermex HT500 SET at 8.0 against E.C.A. Poly Smart's 12.0. 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.

thermex HT500 SET ships an update every 2 months, E.C.A. Poly Smart every 4 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | thermex HT500 SET | E.C.A. Poly Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/eca-poly-smart/id6476879062/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Free |
| Size | 26 MB | 172 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ISIPARK IC VE DIS TICARET INSAAT ISITMA SISTEMLERI OTOMOTIV SANAYI ANONIM SIRKETI](https://appshunter.io/developer/1289067142) | [EMAS MAKINA SANAYI ANONIM SIRKETI](https://appshunter.io/developer/1745114760) |

## What reviewers say

### thermex HT500 SET

[App page](https://appshunter.io/ios/app/thermex-ht500-set/id1492078908)

**Features:** macOS Compatibility

**In-app purchases:** none


### E.C.A. Poly Smart

[App page](https://appshunter.io/ios/app/eca-poly-smart/id6476879062)

Control your home's heating remotely with this smart thermostat application. Set custom schedules, monitor temperature with open window detection, and save on energy bills. Manage multiple properties and share access with family members.

**Highlights:** Remote temperature control, Daily and weekly scheduling, Open window detection, Multiple home management, Family sharing, Comfort, Economy, Holiday modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is thermex HT500 SET free?

thermex HT500 SET is free to download, with no in-app purchases.

### Is E.C.A. Poly Smart free?

E.C.A. Poly Smart is free to download, with no in-app purchases.

### Do thermex HT500 SET or E.C.A. Poly Smart have ads?

Neither thermex HT500 SET nor E.C.A. Poly Smart shows ads.

### Which is updated more often, thermex HT500 SET or E.C.A. Poly Smart?

thermex HT500 SET ships an update every 2 months, and E.C.A. Poly Smart every 4 months. Most recently, thermex HT500 SET was updated on October 26, 2026 and E.C.A. Poly Smart on October 24, 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.*