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Damon Chen vs Ilias Ism

Products, revenue & stack compared side by side.

Damon Chen avatar

Damon Chen

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

@damonchen United States
Ilias Ism avatar

Ilias Ism

SEO-first serial maker behind GenPPT, LinkDR, AI SEO Tracker and MagicSpace

@illyism

Damon Chen vs Ilias Ism at a glance

Both Damon Chen and Ilias Ism are bootstrapped, build in public, have sold at least one product and are serial makers. They overlap in SaaS Founders, AI Builders and Marketing & SEO Tools. Damon Chen has 8 products listed on IndieMakerList vs Ilias Ism's 10. Damon has sold 1 product and Ilias the same number. On revenue, Damon self-reports $1.3M ARR (Testimonial.to + PDF.ai) (as of 2024) and Ilias $7.7K MRR (GenPPT, verified) (as of 2026-10). On X, Damon has about 99K followers and Ilias about 31K.

Side-by-side comparison

Based in
Damon Chen: San Jose, United States
Ilias Ism: —
Started
Damon Chen: 2020 (6 yrs indie)
Ilias Ism: —
Revenue (self-reported)
Damon Chen: $1.3M ARR (Testimonial.to + PDF.ai)self-reported, as of 2024 · source for Damon Chen's revenue
Ilias Ism: $7.7K MRR (GenPPT, verified)self-reported, as of 2026-10 · source for Ilias Ism's revenue
Products listed
Damon Chen: 8
Ilias Ism: 10
Product status
Damon Chen: 7 active · 1 acquired
Ilias Ism: 9 active · 1 acquired
X followers
Damon Chen: 99K
Ilias Ism: 31K
Categories
Damon Chen: SaaS FoundersAI BuildersMarketing & SEO Tools
Ilias Ism: AI BuildersMarketing & SEO ToolsSaaS FoundersProductized Services
Style
Damon Chen: bootstrappedbuilds in publicexitedserial maker
Ilias Ism: bootstrappedbuilds in publicexitedserial maker
Courses & resources
Damon Chen: 1
Ilias Ism: 1

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

Top products

Damon Chen avatarDamon Chen

Testimonial.to logo

Testimonial.to

testimonial.to

Collect, manage and embed video and text testimonials from customers.

$800K ARR
PDF.ai logo

PDF.ai

pdf.ai

AI tool to chat with, analyze and work with PDF documents; acquired by Damon for about $20K and grown from there.

$500K ARR
Chat.sh logo

Chat.sh

chat.sh

Help center that answers customer questions directly, citing the pages it used.

PDFgen logo

PDFgen

pdfgen.com

Generate PDF documents with AI.

See all 8 products by Damon Chen →

Ilias Ism avatarIlias Ism

GenPPT logo

GenPPT

genppt.com

AI presentation maker that turns prompts, PDFs and notes into slide decks.

$7.7K MRRTrustMRR ↗
LinkDR logo

LinkDR

linkdr.com

Backlink-building service and outreach software that finds link prospects and earns links for you.

AI SEO Tracker logo

AI SEO Tracker

aiseotracker.com

Tracks whether AI assistants like ChatGPT, Perplexity, Claude and Gemini cite your site.

MagicSpace SEO logo

MagicSpace SEO

magicspace.agency

SEO agency for software companies and technical products.

See all 10 products by Ilias Ism →

Tech stack

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

Damon Chen avatarDamon Chen

No stack shared publicly.

Ilias Ism avatarIlias Ism

No stack shared publicly.

How they build

Damon Chen avatarDamon 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.

Ilias Ism avatarIlias Ism

  • Distribution and SEO matter more than features.
  • Track every traffic source; one listicle placement can make your best month.
  • Optimize content so AI search engines cite you, not just Google.
  • Run many small products and cross-promote them.

Learn from Damon and Ilias

Damon Chen avatarDamon Chen

Ilias Ism avatarIlias Ism

Damon Chen vs Ilias Ism FAQ

Who makes more money, Damon Chen or Ilias Ism?

Damon Chen self-reports $1.3M ARR (Testimonial.to + PDF.ai) (as of 2024) and Ilias Ism self-reports $7.7K MRR (GenPPT, 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 Ilias Ism?

Damon Chen has 8 products listed (including Testimonial.to, PDF.ai and Chat.sh); Ilias Ism has 10 products listed (including GenPPT, LinkDR and AI SEO Tracker).

Where are Damon Chen and Ilias Ism based?

Damon Chen: San Jose, United States. Ilias Ism: not listed.

Who has been an indie maker longer, Damon Chen or Ilias Ism?

Damon Chen started in 2020 (6 years indie); Ilias Ism's start year isn't listed.

Are Damon Chen and Ilias Ism bootstrapped?

Yes, both are listed as bootstrapped founders on IndieMakerList.

Full profiles

Read the full story, timeline and links on Damon Chen's profile and Ilias Ism's profile.

More comparisons

All indie maker comparisons →