wBlock

Open-source ad blocker for Safari on macOS and iOS using native content blocking.

Liked as a fast, open-source Safari content blocker12 that syncs between Mac and iPhone through iCloud34 and supports custom rules and userscripts.56 The one caveat raised is that, compared with AdGuard, it loses cosmetic filtering.7
The HN verdict, written from 7 cited comments
5recommend
0warn against
Nov 11, 2025first mention
Oct 14, 2026latest mention
Nov 25 – Oct 26
Used forfor Safari usersfor Mac and iPhone usersuBlock Origin alternativeopen sourcead blocking in safarisafari ad blocking

Why people recommend it

Performance · 3

Commenters say it feels fast and performs well, with better battery life than AdGuard.

“It's faster and works and syncs with iPhones through iCloud.”

“I have been using it on my mac and my mobile devices and it syncs up nicely and seems to perform well”

Show 1 more

“Been using wBlock for a while. It blocks ads pretty well, supports custom blocklists and userscripts”

iCloud sync · 2

Settings sync across Mac and mobile devices through iCloud.

“It's faster and works and syncs with iPhones through iCloud.”

“I have been using it on my mac and my mobile devices and it syncs up nicely and seems to perform well”

Custom rules · 2

Supports custom rules and blocklists, which fixes over-blocking seen in Wipr 2.

“wBlock fixes that by allowing you to have custom rules. It also includes the ability to run userscripts”

“Been using wBlock for a while. It blocks ads pretty well, supports custom blocklists and userscripts”

Userscripts · 2

Can run userscripts, so a separate extension is not needed.

“wBlock fixes that by allowing you to have custom rules. It also includes the ability to run userscripts”

“Been using wBlock for a while. It blocks ads pretty well, supports custom blocklists and userscripts”

Webview support · 1

Blocking works inside app webviews such as NetNewsWire.

“Absolutely amazing, works inside webviews (e.g. netnewswire).”

Caveats and dissent

No cosmetic filtering · 1

Compared with AdGuard, it lacks cosmetic filtering.

“Been using wBlock for a while. It blocks ads pretty well, supports custom blocklists and userscripts”

Often compared with

All comments 5

“It's faster and works and syncs with iPhones through iCloud.”

“Absolutely amazing, works inside webviews (e.g. netnewswire).”

“I have been using it on my mac and my mobile devices and it syncs up nicely and seems to perform well”

“Been using wBlock for a while. It blocks ads pretty well, supports custom blocklists and userscripts”

“wBlock fixes that by allowing you to have custom rules. It also includes the ability to run userscripts”

Threads where it came up

Data: wblock.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.

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