
Official first-party press kit
Curio, in plain facts.
Approved product descriptions, founder biography, current platform and pricing disclosures, source coverage, and downloadable first-party product assets.
Published and last checked August 22, 2026
Approved description
This copy can be shortened, but its platform, ownership, pricing, and availability facts should not be expanded without current evidence.
Short rabbit holes worth finishing.
Curio is a full-screen iPhone reading app for short rabbit holes worth finishing. Swipe through written cards and stories across science, history, psychology, mystery, nature, and more; save what matters, follow an idea deeper with Curio AI, or build a focused topic feed. Curio is free to start, and no account is required to read.
Media facts
Dated details are a snapshot, not a permanent promise. Apple remains authoritative for local price and availability.
Count boundary: the card and blog counts describe the public website on August 22, 2026. They are not a guaranteed count of the live in-app inventory. Curio does not currently publish a category count because older marketing copy and the current app taxonomy disagree.
Founder biography
Leon Kelvin Li is the founder and sole developer of Curio, a full-screen short-form reading app. He owns the product design, iPhone app, backend API, content systems, and distribution. Leon studies Computer Engineering at California State University, East Bay and holds an associate degree from Green River College, where he founded and led the Coding Club. He is based in the San Francisco Bay Area and ships Curio in English, Chinese, Spanish, and Portuguese, the four languages he speaks.
What Curio discloses
- Some Curio features use AI. Generated and AI-assisted output is labeled in the app.
- AI output is not financial, medical, or legal advice.
- Curio's public source ledger lists the pages that link to a source and states the unsourced gap.
- This page is written by Curio's founder. It is a current first-party fact source, not an independent review.
- Android closed testing is not presented as a public Google Play launch.
- No press awards, ratings, testimonials, download counts, or publication endorsements are claimed here.
Source coverage
As of August 22, 2026, 128 of 148 public card pages link to a source. Twenty do not. See the live grouped ledger and the complete card index.
Platform status
Curio is public on iPhone. Its Android build is in a closed Google Play test and has no public download link.
First-party assets
These are product assets, not press logos or evidence of coverage. For a publication-specific format or usage question, email support@trycurio.app.






Useful reporting angles
These are documented story directions, not claims that a publication has covered Curio.
Keep the gesture, change the payload
Why a reading app kept the full-screen swipe instead of asking people to abandon the feed interface entirely.
One founder, four languages
How a solo developer owns the app, API, content systems, and distribution while reading the product in the four languages he speaks.
Publishing the source gaps
Why Curio reports both the sourced and unsourced public card counts instead of treating every card as equally evidenced.
The work is in refusal
What a short-form content system must reject, label, or route to review before it feels like a reading product rather than infinite filler.
Press and creator inquiries
Ask for a product walkthrough, current screenshots, technical background, or a factual correction. Independent criticism is welcome; Curio does not require positive coverage.