# EXTRAVIS vs Smartlyn

The clearest difference is update cadence: Smartlyn at monthly against EXTRAVIS's every 21 months. EXTRAVIS's advantage is iOS requirement (13.0 vs 15.0). 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.

EXTRAVIS ships an update every 21 months, Smartlyn monthly. The most recent releases landed on September 11, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | EXTRAVIS | Smartlyn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (22 ratings)](https://appshunter.io/ios/app/smartlyn/id6745936557/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 6.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Monthly** |
| Monetization | — | Free |
| Size | 204 MB | 265 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Linksmart Technology(Zhongshan) Co., Ltd.](https://appshunter.io/developer/1753871181) | [深圳创智乐智能科技有限公司](https://appshunter.io/developer/1814558182) |

## What reviewers say

### EXTRAVIS

[App page](https://appshunter.io/ios/app/extravis/id6504791824)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smartlyn

[App page](https://appshunter.io/ios/app/smartlyn/id6745936557)

Control your smart home devices with an intuitive interface designed for simpler living. This application offers a streamlined way to manage your connected devices.

**Highlights:** Smart device management, Simple user interface, Smarter living integration, Home automation control

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EXTRAVIS free?

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

### Is Smartlyn free?

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

### Do EXTRAVIS or Smartlyn have ads?

Neither EXTRAVIS nor Smartlyn shows ads.

### Which is updated more often, EXTRAVIS or Smartlyn?

EXTRAVIS ships an update every 21 months, and Smartlyn monthly. Most recently, EXTRAVIS was updated on September 11, 2026 and Smartlyn on September 23, 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.*