Skip to content

diff ~/p/daniel-vassallo ~/p/justin-welsh

Daniel Vassallo vs Justin Welsh

Products, revenue & stack compared side by side.

Daniel Vassallo avatar

Daniel Vassallo

Ex-Amazon engineer who popularized the small bets portfolio approach

Justin Welsh avatar

Justin Welsh

Solopreneur who passed $10M in revenue with a one-person business

@thejustinwelsh United States

Daniel Vassallo vs Justin Welsh at a glance

Both Daniel Vassallo and Justin Welsh are bootstrapped solo founders and build in public. They overlap in Educators & Course Creators and Creators & Writers. Both are based in United States. Both started building independently in 2019. Daniel Vassallo has 4 products listed on IndieMakerList vs Justin Welsh's 3. Daniel has sold 1 product. On revenue, Daniel self-reports $210K profit in 9 months (info products) (as of 2020) and Justin $10M+ total revenue (lifetime) (as of 2025). On X, Daniel has about 205K followers and Justin about 592K.

Side-by-side comparison

Based in
Daniel Vassallo: United States
Justin Welsh: United States
Started
Daniel Vassallo: 2019 (7 yrs indie)
Justin Welsh: 2019 (7 yrs indie)
Revenue (self-reported)
Daniel Vassallo: $210K profit in 9 months (info products)self-reported, as of 2020 · source for Daniel Vassallo's revenue
Justin Welsh: $10M+ total revenue (lifetime)self-reported, as of 2025 · source for Justin Welsh's revenue
Products listed
Daniel Vassallo: 4
Justin Welsh: 3
Product status
Daniel Vassallo: 3 active · 1 acquired
Justin Welsh: 3 active
X followers
Daniel Vassallo: 205K
Justin Welsh: 592K
Style
Daniel Vassallo: solobootstrappedbuilds in publicexited
Justin Welsh: solobootstrappedbuilds in public
Courses & resources
Daniel Vassallo: 3
Justin Welsh: 3

Revenue figures are self-reported by each maker and not audited; dates and scope differ. Highlighted categories are shared by both.

Top products

Daniel Vassallo avatarDaniel Vassallo

Small Bets logo

Small Bets

smallbets.com

acquired

Community and expert-led classes for small-time entrepreneurs; sold to Gumroad in 2025.

Sold for $3.6M
Userbase logo

Userbase

userbase.com

Open-source, end-to-end encrypted backend for building secure web apps without a server.

Single Server logo

Single Server

singleserver.com

Wires up Cloudflare, Tailscale, Docker, Kamal and GitHub so every git push deploys all your projects to one server.

Full Send logo

Full Send

fullsend.game

Top-down 2D browser racing game with time trials, multiplayer races and a global leaderboard.

Justin Welsh avatarJustin Welsh

The Saturday Essay logo

The Saturday Essay

justinwelsh.me

Weekly newsletter for people building one-person businesses, formerly The Saturday Solopreneur.

Tech stack

No tools in common in their publicly listed stacks. See the indie maker tech stack.

Daniel Vassallo avatarDaniel Vassallo

No stack shared publicly.

Justin Welsh avatarJustin Welsh

No stack shared publicly.

How they build

Daniel Vassallo avatarDaniel Vassallo

  • Place many small bets instead of one big bet; outcomes are hard to predict.
  • Keep things simple and avoid leaving your fate to a single employer or product.
  • Build an audience by sharing what you know openly.
  • Optimize for independence and optionality over prestige.

Justin Welsh avatarJustin Welsh

  • Build a portfolio of one-person businesses designed around the life you want.
  • Create content consistently to build an audience, then productize what works.
  • Listen closely to your audience and build the products they ask for.
  • Keep costs and complexity low to protect high margins and free time.

Learn from Daniel and Justin

Daniel Vassallo vs Justin Welsh FAQ

Who makes more money, Daniel Vassallo or Justin Welsh?

Daniel Vassallo self-reports $210K profit in 9 months (info products) (as of 2020) and Justin Welsh self-reports $10M+ total revenue (lifetime) (as of 2025). By these self-reported figures, Justin Welsh's reported monthly revenue is higher. Figures are unaudited and may cover different periods or businesses, so treat them as rough indicators.

Who has built more products, Daniel Vassallo or Justin Welsh?

Daniel Vassallo has 4 products listed (including Small Bets, Userbase and Single Server); Justin Welsh has 3 products listed (The LinkedIn Operating System, The Content Operating System and The Saturday Essay).

Where are Daniel Vassallo and Justin Welsh based?

Daniel Vassallo: United States. Justin Welsh: United States.

Who has been an indie maker longer, Daniel Vassallo or Justin Welsh?

Daniel Vassallo started in 2019 (7 years indie); Justin Welsh started in 2019 (7 years indie).

Are Daniel Vassallo and Justin Welsh bootstrapped?

Yes, both are listed as bootstrapped founders on IndieMakerList.

Full profiles

Read the full story, timeline and links on Daniel Vassallo's profile and Justin Welsh's profile.

More comparisons