Can you open https://simplex.im from mainland China?
No.
No recent testsVerdict from 2026-02-08 · 6 mo ago
As of the last test on 2026-02-08 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access simplex.im with GreatFireVPN →Frequently asked questions
Is https://simplex.im blocked in mainland China right now?
We haven't tested https://simplex.im in the last 90 days. As of the last test on 2026-02-08 (6 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is https://simplex.im blocked in mainland China?
As of the last test on 2026-02-08 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has https://simplex.im been blocked?
GreatFire has recorded interference with https://simplex.im from mainland China since 2025-07-30.
How can I access https://simplex.im from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like simplex.im.
https://simplex.im · JSON