CastSponsorSkip is a Go program that uses the SponsorBlock API to skip sponsored YouTube segments and skippable ads on local Google Cast devices.
The Best iSponsorBlock Alternatives in 2026
Looking for something like iSponsorBlock? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 23 are open source.
Skip sponsorship segments in YouTube videos with iSponsorBlock, a jailbreak tweak using the SponsorBlock API.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Chromecast | — | Yes | — |
| 2 | SponsorBlock | — | Not stated | Browser extension, Web |
| 3 | Bookmarklet | — | Yes | Browser extension |
| 4 | Userscript | — | Yes | Windows |
| 5 | uBO Lite | — | Yes | — |
| 6 | Hagezi Blocklists | — | Yes | — |
| 7 | Next DNS Config | — | Yes | — |
| 8 | Do Hspeed Test | Free | Yes | — |
| 9 | Popup Blocker (strict) | — | Yes | Android, Browser extension, Windows |
| 10 | Chameleon | — | Yes | — |
All iSponsorBlock alternatives
SponsorBlock
sponsor.ajay.appSkip sponsored segments in YouTube videos with SponsorBlock, a crowdsourced extension and open API.
SB.js brings SponsorBlock to a bookmarklet or userscript for restrictive environments, with loader and standalone usage options.
AdGuard's Popup Blocker is a userscript that blocks unwanted pop-up and pop-under windows in browsers that support a userscript manager.
uBlock Origin Lite is the Manifest V3 version of the uBlock Origin project, with browser installation links listed on its project page.
HaGeZi publishes DNS blocklists for filtering ads, trackers, malware, and other unwanted domains.
This repository provides a setup guide for NextDNS, described as a DNS-over-HTTPS proxy with configuration options.
DNS Speed Test is a browser-based tool for measuring DNS over HTTPS server speeds and comparing results for a location.
Popup Blocker (strict) prevents popup windows in a browser extension and includes a history feature.
For Firefox, Chameleon reduces fingerprinting signals using per-origin deterministic noise across browser fingerprinting surfaces.
This privacy DNS project lists filtering for ads, ad tracking, and malware, alongside DNSSEC validation and several DNS protocols.
Pi-hole Tray is an unofficial Windows system tray app for monitoring and managing Pi-hole instances from the desktop.
Technitium DNS Server is a DNS server project with source code and repository information hosted on GitHub.
Blacklists and whitelists built by open code, so you know what goes into them.
Subscribe to a uBlock Origin list that blocks websites identified by its maintainer as AI-generated content farms.
This arkenfox GitHub issue asks about Firefox's Enhanced Tracking Protection setting for suspected fingerprinting and its behavior.
The Locale Switcher extension for Chrome and Firefox changes browser language settings and Accept-Language headers, with per-tab controls.
The arkenfox user.js wiki discusses browser extensions and recommends keeping them to a minimum because they have privileged browser access.
NeoDevHost publishes an ad-blocking hosts list, with repository topics indicating support for tools such as AdAway and Pi-hole.
Scam Blocklist provides a HOSTS-format list of domains described as untrustworthy, with nightly updates that remove dead or invalid domains.
This curated host file lists domains serving ads, tracking scripts, and malware for blocking through a hosts file.
Block hosts through DNS on Android with DNSNet, a DNS-based filtering app.
Pi-hole Optimized Blocklists combines deduplicated lists from curated sources for ads, tracking, malware, phishing, suspicious sites, and NSFW domains.
uBlock Origin is a content blocker for Chromium and Firefox browsers, described by its project as efficient, fast, and lean.
Alternatives to similar tools
What is the best alternative to iSponsorBlock?
Is there a free alternative to iSponsorBlock?
Are there open-source alternatives to iSponsorBlock?
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative
























