head to head · open source
uBlock vs Thorium-Android
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. Thorium-Android has 802 stars, 14 forks, 13 open issues and last shipped 23 days ago. uBlock leads on adoption by 8,508% (69,033 vs 802 stars). uBlock is written in JavaScript under GPL-3.0; Thorium-Android is written in various languages under BSD-3-Clause. uBlock has attracted 6% as many forks as stars, Thorium-Android 2%. uBlock was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chromium), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| uBlock | Thorium-Android | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 802 |
| License | GPL-3.0 | BSD-3-Clause |
| Written in | JavaScript | — |
| Last push | 2026-11-02 | 2026-10-11 |
| Forks | ⑂ 4.4K | ⑂ 14 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uBlock if
- You weight community size — 69K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Thorium-Android if
- You want the Thorium-Android feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- You evaluated both and Thorium-Android fits your workflow better
About uBlock
[![Badge Commits]][Commit Rate] [![Badge Issues]][Issues] [![Badge Localization]][Crowdin] [![Badge License]][License] [![Badge NPM]][NPM] [![Badge Mozilla]][Mozilla] ![Badge Chrome] [![Badge Edge]][Edge] uBlock Origin (uBO) GitHub Releases Stable and development versions on Firefox, Chromium MV2, and Thunderbird. Must be placed manually into web browsers; the Chromium and Thunderbird versions usually won't auto update. Related: uBlock Origin Lite uBlock Origin (uBO) is a CPU and memory efficient [wide spectrum content blocker][Blocking] for Chromium and Firefox. It blocks ads, trackers, coin miners, popups…
read the full uBlock overview →
About Thorium-Android
Thorium Browser for Android – Simply a seperate repo to serve builds of Thorium for Android. Both arm32 and arm64 are supported. The main repo (and Linux builds) are located at Thanks for using Thorium!
read the full Thorium-Android overview →
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Frequently asked questions
Is uBlock or Thorium-Android more popular?
uBlock has 69,033 GitHub stars and Thorium-Android has 802. uBlock has the larger community by that measure.
Are uBlock and Thorium-Android free?
Both are open source. uBlock is licensed under GPL-3.0 and Thorium-Android under BSD-3-Clause. Neither carries a licence fee.
What is the difference between uBlock and Thorium-Android?
uBlock is written in JavaScript and Thorium-Android in various languages. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, uBlock or Thorium-Android?
Choose uBlock if you want the larger community (69,033 stars) or its GPL-3.0 licence terms. Choose Thorium-Android if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.