Best Browser Isolation Software in 2026
Updated
In short: BrowserGap is ranked #1 of 26 as of 4 October 2026, ahead of Netzilo Enterprise Browser and Kasm Workspaces. The best-ranked option with a free plan is Netzilo Enterprise Browser. The lowest first paid tier on this page is BrowserBox at $4.08/mo.
Browser isolation software is intended to separate browsing activity from the device or environment being protected. Compare isolation mode and deployment model with malware scanning and session recording, then look at data loss prevention and file transfer controls for additional detail on how each option handles browsing risks. Free plan availability and paid-from pricing provide cost context. Netzilo Enterprise Browser, BrowserGap, and Kasm Workspaces are the first entries, followed by Menlo Security Secure Cloud Browser and DefensX Remote Browser Isolation. Weigh the listed controls and deployment details against the browsing environment you need to secure.
26 browser isolation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
3 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | BrowserGapWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | — | 4 of 6 | Free | 6.6 | |
| 2 | Netzilo Enterprise BrowserWindows · Mac · Linux · Android · iPhone · Self-hosted · Extension | Three bars | — | 5 of 6 | $12/mo | 6.6 | |
| 3 | Kasm WorkspacesWeb · Linux · Self-hosted · API | Two bars | — | 2 of 6 | Free | 6.4 | |
| 4 | Menlo Security Secure Cloud BrowserWeb · Windows · Mac · Android · iPhone · Extension | Two bars | — | — | 5 of 6 | — | 5.7 |
| 5 | DefensX Remote Browser IsolationWeb · Windows · Mac · Extension | Two bars | — | — | 3 of 6 | — | 5.5 |
| 6 | ViewFinderWeb · Windows · Mac · Linux · Self-hosted · API | Two bars | — | — | 4 of 6 | — | 5.5 |
| 7 | Zscaler Private AccessWeb · Windows · Mac · Linux · Android · iPhone | Two bars | — | — | 6 of 6 | — | 5.4 |
| 8 | Check Point Harmony SASEWeb · Windows · Mac · Linux · Android · iPhone | Two bars | — | — | 6 of 6 | — | 5.3 |
| 9 | Cisco Secure AccessWeb · Windows · Mac · Linux · Android · iPhone · API | Two bars | — | — | 6 of 6 | — | 5.3 |
| 10 | Citrix Remote Browser IsolationWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 11 | Ericom Remote Browser IsolationWeb · Self-hosted | One bar | — | — | 1 of 6 | — | 5.3 |
| 12 | iboss CloudWeb · Windows · Mac · Linux · Android · iPhone | Two bars | — | — | 6 of 6 | — | 5.3 |
| 13 | Netskope One Private AccessWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted · API | Two bars | — | — | 6 of 6 | — | 5.3 |
| 14 | Accops Remote Browser IsolationWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 15 | BrowserBoxWeb · Windows · Mac · Linux · Self-hosted · API | Two bars | — | — | 4 of 6 | $4.08/mo | 5.2 |
| 16 | Netskope One Remote Browser IsolationWeb · Android | No signal | — | — | 2 of 6 | — | 5.2 |
| 17 | Parallels DesktopWindows · Mac · Linux | Two bars | — | — | 3 of 6 | — | 5.2 |
| 18 | BUFFERZONEWindows | No signal | — | — | 1 of 6 | — | 5.1 |
| 19 | Coconut Secure Cloud BrowserWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 20 | Forcepoint ZTNAWeb · Windows · Mac · Self-hosted | Two bars | — | — | 3 of 6 | — | 5.1 |
| 21 | VirtualBrowserWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 22 | Authentic8 SiloWeb · API · Extension | One bar | — | — | 1 of 6 | $120.83/mo | 5.0 |
| 23 | Keeper Remote Browser IsolationWindows · Mac · Android · iPhone | One bar | — | — | 4 of 6 | — | 5.0 |
| 24 | Forcepoint Remote Browser IsolationWeb · Windows · Mac | One bar | — | — | 3 of 6 | — | 4.9 |
| 25 | Cloudflare Browser IsolationWeb | One bar | — | — | 1 of 6 | — | 4.8 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which browser isolation software is ranked first on Freedom251?
BrowserGap is ranked #1 of 26 with a score of 6.6. Netzilo Enterprise Browser is second and Kasm Workspaces third.
How many of these have a free plan?
3 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, BrowserBox has the lowest first paid tier we found: $4.08/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.