Creator · youtube

@ExtraBrain

Share your videos with friends, family, and the world

4followers6median recent views · n=21 posts30 · 5×best post · Final Round AI · vs own median3apps in the library · 0 with a standing program3posts audited

2025-11audited posts / month2026-10

Who they post for3 apps · public relationship evidence

0 standing programs, 0 ambassador-level feeds and 0 disclosed paid relationships in this sample. Repeated posting describes dedication; it does not prove a fee.

Final Round AICareer · 1 posts audited

Unknownunverified relationship

Recent feed1 of 21 posts mention it

305×2026-06-26

“ExtraBrain vs Final Round AI: Interview Copilots Compared” identifies the product; public commercial relationship unverified — https://www.youtube.com/watch?v=L0nnU02Wj8U The post that identifies it →

LockedIn AICareer · 1 posts audited

Unknownunverified relationship

Recent feed1 of 21 posts mention it

132.2×2026-06-26

“ExtraBrain vs LockedIn AI: Live Interview Assistants Compared” identifies LockedIn AI; public tool attribution does not establish commercial terms — https://www.youtube.com/watch?v=qJbm_WE-Rrg The post that identifies it →

Interview CoderCareer · 1 posts audited

Unknownunverified relationship

Recent feedNot scanned

62026-06-26

Video description and disclosure fields were checked; the commercial relationship could not be determined. Channel bio was not separately loaded during this artifact pass. https://www.youtube.com/@ExtraBrainApp The post that identifies it →

The script they keep usingcounted from 3 audited posts

Same-job comparison to buyer fit2 Problem, fix, proof1

How they open2 of 3 audited posts run Same-job comparison to buyer fit. The lines below are the openings of their most-viewed posts.

30Let's compare 2 AI interview co-pilots, extra brain and final round AI.13Let's compare two live AI interview assistants, extra brain and locked-in AI.6Let's compare two technical interview assistants, extra brain and interview coder.

Audited posts3 in sample · ranked by views · hover a frame to scrub

5×

30 views

Final Round AI · @ExtraBrain

“Let's compare 2 AI interview co-pilots, extra brain and final round AI.”

2.2×

13 views

LockedIn AI · @ExtraBrain

“Let's compare two live AI interview assistants, extra brain and locked-in AI.”

PAID

6 views

Interview Coder · @ExtraBrain

“Let's compare two technical interview assistants,”

Followers, medians and views as captured in the research release. A multiple compares the post to the creator’s own recent median. Relationship labels describe the public evidence, never the amount paid. Definitions in the methodology.