# LinkSure Network

> LinkSure Network is the mobile-internet company behind WiFi Master Key (now WiFi Master, at wifi.com), a peer-to-peer app that lets people find and connect to shared Wi-Fi hotspots for free. Founded in 2013 in Shanghai by serial entrepreneur Chen Danian and later headquartered with an overseas base in Singapore, the app grew into one of the world's most-used utilities, reaching roughly 800-900 million users at its peak. LinkSure layers cloud security detection, encrypted tunnels and machine-learning risk scoring on top of the connection experience, and monetizes primarily through in-app advertising and content.

- **Founded:** 2013
- **Headquarters:** Singapore (originally Shanghai, China)
- **Founders:** Chen Danian (Founder & CEO)
- **Team size:** ~390 employees
- **Products:** WiFi Master Key / WiFi Master, WiFi Map, Cloud Security Detection System, Security Tunnel Protection System, WiFi Security Insurance
- **Notable:** Became the world's largest Wi-Fi sharing app by 2016, Reached ~900 million total users and 520 million monthly active users (2016), Ranked among the most downloaded apps globally (5th combined iOS + Android)

## Products & services

- **WiFi Master Key / WiFi Master** — Flagship peer-to-peer app that lets users find and connect to shared Wi-Fi hotspots for free, with an in-app hotspot map and connection tools.
- **WiFi Map** — In-app map showing nearby shared hotspots and their risk levels, helping users locate reliable free Wi-Fi.
- **Cloud Security Detection System** — Real-time monitoring that scores hotspot risk and flags phishing, ARP and DNS attacks before users connect.
- **Security Tunnel Protection System** — Encrypted tunnel that protects user traffic over public and shared networks.
- **WiFi Security Insurance** — Coverage for losses from connecting to compromised hotspots, launched with insurance partners such as ZhongAn.

## Achievements

- Became the world's largest Wi-Fi sharing app by 2016
- Reached ~900 million total users and 520 million monthly active users (2016)
- Ranked among the most downloaded apps globally (5th combined iOS + Android)
- Reached unicorn status with a ~$1B valuation in 2015
- Founder Chen Danian named to Fortune's 2017 list of Top 50 Most Influential Business Leaders in China
- Won iResearch's 2017 'Product with the Most Growth' award
- Available in 19 languages across 223 countries

## Latest updates

- **2019-01** — WiFi Master Key rebrands to WiFi Master; reported ~800 million monthly active users, ranking among the world's largest apps.
- **2018-11** — Wang Jingying, a former Shanda executive, named CEO.
- **2017-09** — Series B funding round (terms undisclosed).

## Links

- Website: https://wifi.com
- LinkedIn: http://www.linkedin.com/company/linksure-network
- Facebook: https://facebook.com/wifimasterkey

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Profile page: https://yespress.io/linksure-network
Published by YesPress — https://yespress.io
Last updated: 2026-07-14