Chrome extensionwhat they sayJustBlock
JustBlock – Ad & Popup Blocker
Block intrusive ads, unwanted popups and trackers. Free core protection with optional Max Clean page cleanup.
01Revenue
JustBlock has a paid tier, but the listing publishes no price. Without one, any revenue figure would rest on a guessed price, so MRRLens shows none and leaves revenue out of its opportunity score.
Exploratory math, not an estimate: if it charged a typical price for its marketplace, active users × paid conversion × monthly price would give $2k–9k a month. Assumptions: active users: 70k; 0.5%–2.5% of active users pay; no public price: assumed $5.00/month, typical for this marketplace. Methodology.
Store data from the Chrome Web Store listing, refreshed daily. Updated 2 d ago.
02Why users leave JustBlock
Updated JustBlock Security silently blocks legitimate jQuery getScript dynamic loading, breaking interactive site elements; reviewer removed the extension over reliability concerns.
“Silent failures of legitimate functionality on Web sites is concerning, so I am removing the extension from my Web browser for now.” source ↗
Sample: 2 recent complaints (1–3★ reviews) · clustered Oct 31, 2026 · complaints from Nov 2025–Jun 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim
03How to build a better JustBlock
04Who wants a better JustBlock
0 buyer threads in the last 30 days name JustBlock, and 3 more are in the same market.
05Questions about JustBlock
How much revenue does JustBlock make?
MRRLens shows no revenue figure for JustBlock. It sells a paid tier but does not publish the price, and an estimate built on an assumed price would be a guess. The exploratory math is on the page, labelled as such.
What do users complain about most in JustBlock?
Across 2 recent complaints, the most common is bugs/reliability (1 of 2). Updated JustBlock Security silently blocks legitimate jQuery getScript dynamic loading, breaking interactive site elements; reviewer removed the extension over reliability concerns.
What are the best JustBlock alternatives?
The closest alternatives MRRLens found are Total Adblock, Ad Blocker for Chrome and Web Adblock. The full list, with why users leave, is on the JustBlock alternatives page.
How many people use JustBlock?
JustBlock lists 70k+ users on the Chrome Web Store, rated 4.6 (2,581).
Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.