# TECO SmartAir vs RED control

The clearest difference is update cadence: RED control at every 4 months against TECO SmartAir's every 9 months. TECO SmartAir's advantage is iOS requirement (10.0 vs 13.0). 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.

TECO SmartAir ships an update every 9 months, RED control every 4 months. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | TECO SmartAir | RED control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Size | 9 MB | 32 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TECOM CO., LTD.](https://appshunter.io/developer/490537952) | [CAREL INDUSTRIES S.p.A.](https://appshunter.io/developer/1797037609) |

## What reviewers say

### TECO SmartAir

[App page](https://appshunter.io/ios/app/teco-smartair/id1434804588)

**Features:** macOS Compatibility

**In-app purchases:** none


### RED control

[App page](https://appshunter.io/ios/app/red-control/id6471656241)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TECO SmartAir free?

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

### Is RED control free?

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

### Do TECO SmartAir or RED control have ads?

Neither TECO SmartAir nor RED control shows ads.

### Which is updated more often, TECO SmartAir or RED control?

TECO SmartAir ships an update every 9 months, and RED control every 4 months. Most recently, TECO SmartAir was updated on October 4, 2026 and RED control on October 18, 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.*