diff ~/p/damon-chen ~/p/jon-yongfook

Damon Chen vs Jon Yongfook

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

Jon Yongfook

Solo founder who bootstrapped Bannerbear, an image and video automation API, to $81K MRR

@yongfook Singapore

Damon Chen vs Jon Yongfook at a glance

Both Damon Chen and Jon Yongfook are bootstrapped and build in public. They overlap in SaaS Founders and Marketing & SEO Tools. Damon is based in San Jose, United States, Jon in Singapore. Damon started in 2020 and Jon in 2018. Damon Chen has 8 products listed on IndieMakerList vs Jon Yongfook's 2. Damon has sold 1 product. On revenue, Damon self-reports $1.3M ARR (Testimonial.to + PDF.ai) (as of 2024) and Jon $81K MRR (as of 2026). On X, Damon has about 99K followers and Jon about 173K.

Side-by-side comparison

Based in: Damon Chen: San Jose, United States; Jon Yongfook: Singapore
Started: Damon Chen: 2020 (6 yrs indie); Jon Yongfook: 2018 (8 yrs indie)
Revenue (self-reported): Damon Chen: $1.3M ARR (Testimonial.to + PDF.ai)self-reported, as of 2024 · source for Damon Chen's revenue; Jon Yongfook: $81K MRRself-reported, as of 2026 · source for Jon Yongfook's revenue
Products listed: Damon Chen: 8; Jon Yongfook: 2
Product status: Damon Chen: 7 active · 1 acquired; Jon Yongfook: 2 active
X followers: Damon Chen: 99K; Jon Yongfook: 173K
Categories: Damon Chen: SaaS Founders AI Builders Marketing & SEO Tools; Jon Yongfook: SaaS Founders Developer Tools Marketing & SEO Tools
Style: Damon Chen: bootstrappedbuilds in publicexitedserial maker; Jon Yongfook: solobootstrappedbuilds in public
Courses & resources: Damon Chen: 1; Jon Yongfook: 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.

Jon Yongfook

Ruby on Rails

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.

Jon Yongfook

Shipping is a muscle; launch often to stay in shape.
Focus on one product once it shows signs of life.
Sharpen positioning around the customer's real job, not your technology.
Bootstrap and grow at a sustainable pace, sharing numbers along the way.

Learn from Damon and Jon

Damon Chen

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

Jon Yongfook

[template] A Bootstrapped SaaS Journey to $10K MRR
[newsletter] 12 Startups in 12 Months

Damon Chen vs Jon Yongfook FAQ

Who makes more money, Damon Chen or Jon Yongfook?

Damon Chen self-reports $1.3M ARR (Testimonial.to + PDF.ai) (as of 2024) and Jon Yongfook self-reports $81K MRR (as of 2026). 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.