Watchdog
watchdog.chat
AI community moderation for Telegram, Discord, WhatsApp and more that blocks spam, scams and trolls.
$444/mo
diff ~/p/ben-katz ~/p/thomas-sanlis
Ben Katz vs Thomas Sanlis
Products, revenue & stack compared side by side.
Ex-DoorDash staff engineer building Watchdog AI moderation and flightschools.fyi
@ben_makes_stuff United States
Ben Katz vs Thomas Sanlis at a glance
Both Ben Katz and Thomas Sanlis are bootstrapped and build in public. They overlap in SaaS Founders, Directory Makers and Community Builders. Ben is based in New York, United States, Thomas in France. Ben Katz has 4 products listed on IndieMakerList vs Thomas Sanlis' 3. On revenue, Ben self-reports $444 MRR (as of 2025) and Thomas $134K in 2025. On X, Ben has about 829 followers and Thomas about 24K.
Side-by-side comparison
- Based in
- Ben Katz: New York, United States
- Thomas Sanlis: France
- Started
- Ben Katz: —
- Thomas Sanlis: 2018 (8 yrs indie)
- Revenue (self-reported)
- Ben Katz: $444 MRRself-reported, as of 2025 · source for Ben Katz's revenue
- Thomas Sanlis: $134K in 2025self-reported, as of 2025 · source for Thomas Sanlis's revenue
- Products listed
- Ben Katz: 4
- Thomas Sanlis: 3
- Product status
- Ben Katz: 3 active · 1 shut down
- Thomas Sanlis: 3 active
- X followers
- Ben Katz: 829
- Thomas Sanlis: 24K
- Categories
- Ben Katz: AI BuildersSaaS FoundersDirectory MakersCommunity Builders
- Thomas Sanlis: Directory MakersCommunity BuildersSaaS Founders
- Style
- Ben Katz: solobootstrappedbuilds in publicserial maker
- Thomas Sanlis: bootstrappedbuilds in public
- Courses & resources
- Ben Katz: —
- Thomas Sanlis: 1
Revenue figures are self-reported by each maker and not audited; dates and scope differ. Highlighted categories are shared by both.
Top products
F
flightschools.fyi
flightschools.fyi
Free directory comparing US flight schools by price, fleet, instructors and quality score.
H
Hackayork
hackayork.com
Indie hacker meetup in New York City for building, demos and community.
Tool that helped websites stay off domain blacklists; shut down after a year.
Uneed
uneed.best
Curated launch platform and directory where makers launch and showcase new tech products.
Uneed Residency
uneed.best
Paid residency program for makers run under the Uneed brand.
Writizzy
writizzy.com
Europe-hosted newsletter and blogging platform for independent writers, co-founded with Hugo Lassiège.
Tech stack
No tools in common in their publicly listed stacks. See the indie maker tech stack.
GoAstro
Nuxt.js
How they build
- Bootstrap small, profitable software businesses.
- Shut down products that do not find customers and move on.
- Build alongside other makers in person.
- Curate hard: rejecting low-quality submissions protects a launch platform's value.
- Programmatic SEO can compound traffic for directory-style products.
- Bias toward doing over overthinking, while knowing your market deeply before building.
- Delegate so the founder can focus on the bigger picture.
Learn from Ben and Thomas
No courses, books or communities listed.
- [newsletter] Thomas Sanlis blog
Ben Katz vs Thomas Sanlis FAQ
Who makes more money, Ben Katz or Thomas Sanlis?
Ben Katz self-reports $444 MRR (as of 2025) and Thomas Sanlis self-reports $134K in 2025. By these self-reported figures, Thomas Sanlis' 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, Ben Katz or Thomas Sanlis?
Ben Katz has 4 products listed (including Watchdog, flightschools.fyi and Hackayork); Thomas Sanlis has 3 products listed (Uneed, Uneed Residency and Writizzy).
What tech stack do Ben Katz and Thomas Sanlis use?
Ben Katz uses Go and Astro. Thomas Sanlis uses Nuxt.js. They don't list any tools in common.
Where are Ben Katz and Thomas Sanlis based?
Ben Katz: New York, United States. Thomas Sanlis: France.
Who has been an indie maker longer, Ben Katz or Thomas Sanlis?
Ben Katz's start year isn't listed; Thomas Sanlis started in 2018 (8 years indie).
Are Ben Katz and Thomas Sanlis bootstrapped?
Yes, both are listed as bootstrapped founders on IndieMakerList.
Full profiles
Read the full story, timeline and links on Ben Katz's profile and Thomas Sanlis's profile.
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