# QTc calculadora simples vs OS Smart System

The clearest difference is device support: OS Smart System at 3 against QTc calculadora simples's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | QTc calculadora simples | OS Smart System |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 25 MB | 37 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Spinola & Anacleto, Lda](https://appshunter.io/developer/1660448893) | [Olimpia Splendid S.p.A.](https://appshunter.io/developer/1347182599) |

## What reviewers say

### QTc calculadora simples

[App page](https://appshunter.io/ios/app/qtc-calculadora-simples/id6463504847)

**In-app purchases:** none


### OS Smart System

[App page](https://appshunter.io/ios/app/os-smart-system/id6498712763)

Control your Olimpia Splendid home comfort devices remotely. Easily pair your devices, turn them on/off, and manage key operating modes directly from your smartphone or tablet.

**Highlights:** Remote device management, Device pairing, On/Off control, Operating mode selection, Smartphone and tablet compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QTc calculadora simples free?

QTc calculadora simples is free to download, with no in-app purchases.

### Is OS Smart System free?

OS Smart System is free to download, with no in-app purchases.

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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.*