Free download of the core version with no time limit, allowing users to monitor network activity and manage basic firewall settings at no cost.
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GlassWire is a personal firewall and network monitoring application for Windows and Android, designed to help users understand and control their network activity. The software has been downloaded over 52 million times and is available in both a free and a paid premium version.
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About GlassWire
Product type
Personal firewall and network monitor
Platforms
Windows, Android
Free version available
Yes
Premium version available
Yes
Current version
3.8.1061
Total downloads
Over 52 million
Primary audience
Home users and privacy-conscious individuals
Business model
Freemium software
GlassWire targets privacy-conscious individuals and home users who want visibility into what their computer or smartphone is communicating with on the internet. The product sits in the consumer security software segment, offering a free tier with core monitoring features and a premium upgrade for full functionality. What sets GlassWire apart from traditional firewalls is its visual approach: network traffic is presented in a graph-based interface that makes it easy to spot unusual activity without technical expertise. The project started as a side initiative, gained significant traction after a viral post on Hacker News, and has since been covered by publications such as PCWorld, PCMag, Forbes, and Fast Company.
Active promotions
Ready to use with your order at GlassWire.
Discounted annual subscription on the premium plan for users who choose to pay yearly instead of monthly, unlocking all advanced features without limitations.
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GlassWire in the news
Recent updates and background about GlassWire, summarised in our own words.
Open-Source Network Monitor Assessed Against GlassWire and Wireshark
Windows Central published a comparison between a free, open-source network monitor and well-known tools such as GlassWire and Wireshark. The piece explored the practical usefulness of the open-source option relative to its more established counterparts.
Open-Source Network Monitor Compared to GlassWire and Wireshark
A free, open-source network monitoring tool was evaluated alongside GlassWire and Wireshark. The comparison, published by Yahoo Tech, examined whether the newcomer could serve as a viable alternative to these established tools.
GlassWire Mobile Firewall Presented for Android Users
GlassWire offers a mobile firewall application for Android devices. The product was featured in a showcase by Help Net Security, highlighting its network monitoring capabilities for mobile users.
Summaries by Image Review based on publicly available sources and our own editing. External links may contain affiliate links.
What others ask about GlassWire
Answers to the most common questions, based on search behaviour and our own research.
Is GlassWire a legitimate and trustworthy software?
GlassWire has been downloaded over 52 million times and has received positive coverage from well-known publications including PCMag, PCWorld, Forbes, and Fast Company. The software has been publicly available for several years and has a community support forum and a bug bounty programme.
Is GlassWire really free to use?
Yes, GlassWire offers a free version that includes core network monitoring and firewall features. A paid premium upgrade is available for users who want access to the full feature set without limitations.
Does GlassWire work on Android phones?
Yes, GlassWire offers a dedicated Android app that allows users to monitor mobile data usage per app and receive alerts before reaching carrier data limits.
What can GlassWire actually detect?
GlassWire can detect spyware, malware, and apps that use excessive bandwidth, and it alerts users when new unknown devices join a Wi-Fi network. It also shows which IP addresses and countries an app is connecting to, and can notify users of unusual changes that may indicate malicious activity.
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