Comparison

EXTRAVIS vs Smartlyn

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

★ 2.022 ratingsView app →

About

EXTRAVIS

Features

Read full description

EXTRAVIS APP is a mobile application developed for EXTRAVIS robot vacuum and mop. Through EXTRAVIS, you can achieve: Real time viewing of the current status of robots, planning and management of cleaning tasks, remote control of robots, and easy network and device sharing.

About

Smartlyn

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

Read full description

A smart device control app. Manage your home devices with a simple interface for smarter living.

Screenshots

EXTRAVIS4 screens

Smartlyn4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard2 real differences · 8 level

EXTRAVIS versus Smartlyn: the parameters behind the verdict, then further details
Parameter	EXTRAVIS	Smartlyn
Price	Free	Free
Rating	—	2.0 (22 ratings) — better
Positive reviews	—	6.3% of reviews
Number of ratings	—	22 — better
Update frequency	Every 21 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	13.0 — better	15.0
Further details — not scored
Size	204 MB	265 MB
Age rating	12+	4+
Developer	Linksmart Technology(Zhongshan) Co., Ltd.	深圳创智乐智能科技有限公司

In-app purchases

None

EXTRAVIS

No in-app purchases

None

Smartlyn

No in-app purchases

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.