# IUSA Smart vs DuoSmart

The clearest difference is rating: IUSA Smart at 5.0 against DuoSmart's 4.2. DuoSmart's advantage is update cadence (every 9 months vs every 28 months) and ratings volume (19 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

IUSA Smart holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: DuoSmart has 19 ratings behind it against 3, so its average is the more settled of the two.

IUSA Smart ships an update every 28 months, DuoSmart every 9 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | IUSA Smart | DuoSmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/iusa-smart/id1482698078/reviews)** | [4.2 (19 ratings)](https://appshunter.io/ios/app/duosmart/id1494085580/reviews) |
| Number of ratings | 3 | **19** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 9 months** |
| Monetization | Free | Free |
| Size | 189 MB | 196 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Grupo Iusa, S.A. de C.V.](https://appshunter.io/developer/1101957848) | [Tecnosinergia](https://appshunter.io/developer/1448400951) |

## What reviewers say

### IUSA Smart

[App page](https://appshunter.io/ios/app/iusa-smart/id1482698078)

Remotely control home appliances and manage multiple devices simultaneously. Automate operations based on temperature, location, and time. Easily share device access with family members for intuitive home management.

**Highlights:** Remote appliance control, Multi-device management, Automated operations, Device sharing, Intuitive interface

**In-app purchases:** none


### DuoSmart

[App page](https://appshunter.io/ios/app/duosmart/id1494085580)

Manage all your smart devices from one app. Control compatible devices, use voice commands, and create custom scenes based on conditions like temperature or time. Receive real-time alerts for enhanced security and easily share device access.

**Highlights:** Remote control for DuoSmart and Tuya devices, Voice control with Amazon Echo and Google Assistant, Create custom automation scenes, Real-time security alerts, Share device access easily, Control multiple devices simultaneously

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IUSA Smart free?

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

### Is DuoSmart free?

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

### Which has better reviews, IUSA Smart or DuoSmart?

IUSA Smart is rated higher. IUSA Smart averages 5.0 out of 5 from 3 ratings, while DuoSmart averages 4.2 from 19 ratings.

### Do IUSA Smart or DuoSmart have ads?

Neither IUSA Smart nor DuoSmart shows ads.

### Which is updated more often, IUSA Smart or DuoSmart?

IUSA Smart ships an update every 28 months, and DuoSmart every 9 months. Most recently, IUSA Smart was updated on October 6, 2026 and DuoSmart on October 6, 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.*