BUILDING SINCE 2010 · NOT REVIEWED BY MARC
Marc
Köhlbrugge
“Maker of BetaList, Startup Jobs, WIP, and other products.”in their words · marc.io
about $135 MRR
Tweet Photo revenue
● last reported Aug 2020almost $1M
BetaList, total so far
stated · Dec 2020$30K
from selling 1 product
sum of stated prices41
products
2010
building since
Career
Every main product, who ran it, and when it changed hands.
Room AI2023 →
NOW
Startup Jobs2018 →
NOW
WIP2017 →
NOW
Highscore Money2016 →
NOW
BetaList2010 →
NOW
Tweet Photo2018 – 2020
$30,000
→ CreatorKit
Side projects35
201020122014201620182020202220242026
Marc runs ita new owner runs itsold, with the stated priceshut downside project
BetaListRUNNINGsince Dec 2010
over $100K
/yr
Jan 2019 · old
almost $1M
total
Dec 2020
Figures Marc stated, each measuring something different. We don’t draw a line between them.
The journey
BetaList (2010) and WIP (2017); sold Tweet Photo for $30,000 (2020)
Milestones
almost $1M
total · BetaList
Dec 2020 · stated
$100–300K
/yr · BetaList
Jun 2015 · old
about $40K
/yr · WIP
Jan 2019 · old
$2,574
total · Highscore Money
Feb 2019 · stated
Latest
Apr 2025On Evil Martians interview: Rails, hacking, and Stripe as a scoreboard
Jun 2023Launched Room AI
Aug 2020Sold Tweet Photo to CreatorKit$30,000
Jan 2019On Founder interview about WIP, published on HackerNoon and syndicated by Bitcoin Insider
Dec 2018Launched Tweet Photo
How sure are we?
46 verified by someone other than Marc150 stated by Marc in public4 outdated, older than our limits
Read on 11 Oct 2026 · more data coming