mrrlens
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Chrome extensionwhat they say

MPen

For example. To mark important sentence. To Write operations during Screencast. MPen is simple graffiti tool.

★★★★☆4.3 (45) · 30k+ users
Free
Website ↗ Chrome Web Store ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“it stopped working for a few days, I would like you to fix this problem ASAP please”
#1 complaint · Bugs/Reliability · 3 of 3 complaints read · analysed Oct 30, 2026 · source

01Revenue

No price in the listing

Store data from the Chrome Web Store listing, refreshed daily. Updated 13 h ago.

02Why users leave MPen

Bugs/Reliability3 reviews · 3 of 3

Tool stopped working for several days; user requests urgent fix.

“it stopped working for a few days, I would like you to fix this problem ASAP please” source ↗

Sample: 3 recent complaints (1–3★ reviews) · clustered Oct 30, 2026 · complaints from May 2024–Sep 2025, 67% in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better MPen

Build difficultyLowSimple drawing overlay; no integrations, regulation, payments, network effects, hardware, or platform approval evident.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
Unlock

04Who wants a better MPen

0 buyer threads in the last 30 days name MPen, and 15 more are in the same market.

05Questions about MPen

How much revenue does MPen make?

MPen'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 MPen?

Across 3 recent complaints, the most common is bugs/reliability (3 of 3). Tool stopped working for several days; user requests urgent fix.

How many people use MPen?

MPen lists 30k+ users on the Chrome Web Store, rated 4.3 (45).

See the full x-ray of MPen

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