mrrlens
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Chrome extensionwhat they say

+Sub

Load subtitle to a HTML5 video.

★★★★☆4.1 (126) · 10k+ users
Free
Chrome Web Store ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“No movie or series found, on anything I tried it on.”
#1 complaint · Bugs/Reliability · 60% of complaints read · analysed Oct 30, 2026 · source

01Revenue

No price in the listing

Store data from the Chrome Web Store listing, refreshed daily. Updated 3 d ago.

02Why users leave +Sub

Bugs/Reliability3 reviews · 60%

Users report the extension finds no movie or series on any site tried, and some say it stopped working entirely.

“No movie or series found, on anything I tried it on.” source ↗
1 more complaint, with verbatim quotesIncluded in the day pass and Pro.
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Sample: 5 recent complaints (1–3★ reviews) · clustered Oct 30, 2026 · complaints from Nov 2024–Mar 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better +Sub

Build difficultyMediumMain factors: subtitle source APIs, browser-extension compatibility, and site/player integration; no payments or regulation.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better +Sub

0 buyer threads in the last 30 days name +Sub, and 2 more are in the same market.

05Questions about +Sub

How much revenue does +Sub make?

+Sub's listing publishes no price and no paid plan, so MRRLens shows no revenue estimate. It may still charge on its own website; a founder can verify the real figure.

What do users complain about most in +Sub?

Across 5 recent complaints, the most common is bugs/reliability (60%). Users report the extension finds no movie or series on any site tried, and some say it stopped working entirely.

What are the best +Sub alternatives?

The closest alternatives MRRLens found are Open Subtitles, Movie Subtitles and HTML5 media speed controller + subs. The full list, with why users leave, is on the +Sub alternatives page.

How many people use +Sub?

+Sub lists 10k+ users on the Chrome Web Store, rated 4.1 (126).

See the full x-ray of +Sub

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.