Sandboxer vs Surfsky

Surfsky is a cloud browser for bot-protected sites, reached over CDP from Playwright, Puppeteer or Selenium, with fingerprints and residential proxies. It is not a general VM. Pick it for stealth scraping; pick Sandboxer for full Linux environments.

Checked against Surfsky's public docs on October 24, 2026. Sources are linked in the table and listed below.

At a glance

Sandboxer and Surfsky compared
Capability	Sandboxer	Surfsky
Isolation	microVM Cloud Hypervisor, its own kernel	browser instance Managed Chromium with device fingerprints.
Full Linux with root	Ubuntu 24.04, sudo, systemd	Not applicable: Surfsky is a cloud browser reached over CDP; no such feature is documented.
Docker inside	Preinstalled	Not applicable: Surfsky is a cloud browser reached over CDP; no such feature is documented.
Nested virtualization (/dev/kvm)		Not applicable: Surfsky is a cloud browser reached over CDP; no such feature is documented.
Pause and resume with memory	Running processes come back	Not stated on official pages.
Fork a sandbox	Copy-on-write disk copy that boots fresh	Not applicable: Surfsky is a cloud browser reached over CDP; no such feature is documented.
HTTPS URL per port	Private with a token, or public	Not applicable: Surfsky is a cloud browser reached over CDP; no such feature is documented.
Longest session	No limit on paid plans Auto-stop is up to 30 days or off	Not stated on official pages.
Billing	Per second, flat rate per size Stopped sandboxes are free	pay as you go or monthly plans with browser-hour credit Pay as you go $0.35/h; Starter $29 (up to 90 h credit), Base $99 (390 h), Advanced $199 (990 h); monthly fee becomes usage credit.
GPUs
Self-host or open source
Regions	US East (Virginia) and EU Central (Finland)	us, eu, asia clusters Residential proxies in many countries.

= not documented publicly.

Where Surfsky is strong

Fingerprinting, residential and mobile proxies and CAPTCHA solving included.
Works with Playwright, Puppeteer, Selenium and chromedp.
Free credit on signup without a card.

Where Sandboxer differs

Browser only: no root, Docker or arbitrary ports.
Session duration limits are not published.
Pricing is by browser-hour credit tiers, not machine size.

Pick Surfsky if

You need to get past strong bot protection with built-in proxies.
You want to pay by browser-hour with modest monthly tiers.

Pick Sandboxer if

You need a full Ubuntu VM with root, systemd and Docker rather than a browser instance.
You want stop/resume that keeps running processes, or CoW forks of a disk snapshot.
You want coding agents preinstalled and any port exposed as an HTTPS URL.

Sources

Products change. If something here is out of date, email hello@sandboxer.com and we'll fix it. Surfsky is a trademark of its owner. Sandboxer is an independent product and is not affiliated with Surfsky.

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