Alternatives · Utilities
Radio Silence alternatives
As of Nov 13, 2026, the highest-graded Radio Silence alternative is LuLu (2.6 GPA). It's also the best free one.
Radio Silence compared with 4 alternatives: LuLu, NetLimiter, GlassWire and TripMode.
Radio Silence is a paid product with a free trial, starting at $9 one-time, for personal use. 3 of the 4 alternatives are free or have a free plan. One more offers a free trial.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a Radio Silence sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| Radio SilenceThis tool | Free trial · from $9 one-time | Trial only | macOS |
| LuLu | Free | Free | macOS |
| NetLimiter | Free trial | Trial only | Windows |
| GlassWire | Free plan · from $2.99/mo | Yes | Windows, Android |
| TripMode | Free plan · from $14.99/yr | Yes | macOS |
How each one differs from Radio Silence
LuLu
Free open-source Mac firewall for outgoing connections
- LuLu is free.
- LuLu has a free plan, which Radio Silence lacks.
- LuLu is open source, according to its own site.
- LuLu also covers malware protection.
- LuLu does not cover system monitor, which Radio Silence does.
Suits: Mac users who want to see which apps connect to the internet
NetLimiter
Per-app internet bandwidth limits and monitoring for Windows
- NetLimiter also lists a Windows app.
- NetLimiter lists no macOS app, which Radio Silence has.
- NetLimiter also covers site & app blocker and reports.
Suits: Stopping one application from using the whole connection
GlassWire
Windows network monitor and firewall with a traffic time machine
- GlassWire starts at $2.99 per month, paid annually (Personal).
- GlassWire has a free plan, which Radio Silence lacks.
- GlassWire also lists Windows and Android apps.
- GlassWire lists no macOS app, which Radio Silence has.
- GlassWire also covers site & app blocker, reports and malware protection.
Suits: Seeing which programs use your internet connection
TripMode
Mac app that blocks background data use on slow or metered networks
- TripMode starts at $14.99 per year after a 7-day trial.
- TripMode has a free plan, which Radio Silence lacks.
- TripMode also covers site & app blocker and reports.
Suits: Travelers and anyone on tethered or capped mobile data
Limits worth knowing in Radio Silence
- macOS only: version 3.4 needs macOS 10.15 or newer, and older systems use legacy versions.
- Not sold through the Mac App Store; the vendor says firewalls cannot be, because of the system access they need.
- The trial lasts 24 hours, though the vendor adds a 30-day money-back guarantee on purchases.
- Blocking is per app; the vendor's pages describe no rules by port or address.
Common questions
What are the alternatives to Radio Silence?
The alternatives to Radio Silence in this directory are LuLu, NetLimiter, GlassWire and TripMode. Each one has a side-by-side comparison with Radio Silence.
Is there a free alternative to Radio Silence?
Yes. LuLu is free to use. GlassWire and TripMode have a free plan alongside paid ones.
Which Radio Silence alternatives work on Windows?
The Radio Silence listing does not include a Windows app. NetLimiter and GlassWire list one.
Which Radio Silence alternatives work on Android?
The Radio Silence listing does not include an Android app. GlassWire lists one.
Is there an open-source alternative to Radio Silence?
LuLu is described as open source on its own site.
When were these prices checked?
Each listing shows its own date. On this page they run from Nov 12, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.
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