diff ~/p/damon-chen ~/p/rob-hallam

Damon Chen vs Rob Hallam

Products, revenue & stack compared side by side.

Damon Chen

Ex-Cisco engineer who built Testimonial.to and grew acquired PDF.ai into a top AI PDF tool

@damonchen United States

Rob Hallam

British nomad maker of SuperX, The Attention Playbook and Can I Vibecode It

@robj3d3 Vietnam

Damon Chen vs Rob Hallam at a glance

Both Damon Chen and Rob Hallam are bootstrapped, build in public and are serial makers. They overlap in SaaS Founders and Marketing & SEO Tools. Damon is based in San Jose, United States, Rob in Da Nang, Vietnam. Damon Chen has 8 products listed on IndieMakerList vs Rob Hallam's 5. Damon has sold 1 product. On revenue, Damon self-reports $1.3M ARR (Testimonial.to + PDF.ai) (as of 2024) and Rob $22K MRR (SuperX, verified) (as of 2026-10). On X, Damon has about 99K followers and Rob about 67K.

Side-by-side comparison

Based in: Damon Chen: San Jose, United States; Rob Hallam: Da Nang, Vietnam
Started: Damon Chen: 2020 (6 yrs indie); Rob Hallam: —
Revenue (self-reported): Damon Chen: $1.3M ARR (Testimonial.to + PDF.ai)self-reported, as of 2024 · source for Damon Chen's revenue; Rob Hallam: $22K MRR (SuperX, verified)self-reported, as of 2026-10 · source for Rob Hallam's revenue
Products listed: Damon Chen: 8; Rob Hallam: 5
Product status: Damon Chen: 7 active · 1 acquired; Rob Hallam: 5 active
X followers: Damon Chen: 99K; Rob Hallam: 67K
Categories: Damon Chen: SaaS Founders AI Builders Marketing & SEO Tools; Rob Hallam: Marketing & SEO Tools SaaS Founders Educators & Course Creators Digital Nomads
Style: Damon Chen: bootstrappedbuilds in publicexitedserial maker; Rob Hallam: bootstrappedbuilds in publicserial maker
Courses & resources: Damon Chen: 1; Rob Hallam: 2

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

Tech stack

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

Damon Chen

No stack shared publicly.

Rob Hallam

No stack shared publicly.

How they build

Damon Chen

Start small and cheap, validate with early lifetime deals, then reinvest.
Buying a promising product can beat building from scratch.
Premium, memorable domains are a real growth lever.
Listen to support tickets; they reveal what to build next.

Rob Hallam

Build in public; most posts should not be sales pitches.
Reverse-engineer what already works on a platform.
Keep shipping after failures.

Learn from Damon and Rob

Damon Chen

[podcast] Behind the Craft: From Engineer to Indie Hacker Making $1.3M ARR

Rob Hallam

[course] The Attention Playbook
[newsletter] My First Dollar

Damon Chen vs Rob Hallam FAQ

Who makes more money, Damon Chen or Rob Hallam?

Damon Chen self-reports $1.3M ARR (Testimonial.to + PDF.ai) (as of 2024) and Rob Hallam self-reports $22K MRR (SuperX, verified) (as of 2026-10). By these self-reported figures, Damon Chen'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, Damon Chen or Rob Hallam?

Damon Chen has 8 products listed (including Testimonial.to, PDF.ai and Chat.sh); Rob Hallam has 5 products listed (including SuperX, The Attention Playbook and Can I Vibecode It?).