AI learns to test a real app.
At Uber, Anam helps build DragonCrawl, an LLM-driven framework that tests the mobile app the way a person would. It catches eleven critical incidents and saves roughly $25 million in its first four months.
We started Revyl to build what software development is becoming.
At Uber, DragonCrawl showed us that AI could do more than write code. It could operate real software, understand what happened, and improve the next run. Revyl is building the software and infrastructure that makes this development loop reliable for every team.
ubc.vancouver two friends at UBC
uber.dragoncrawl AI tests Uber’s app
research.published the industry asks for it
revyl.founded Revyl founded
yc.f24 F24
platform.compounds build · develop · test · atlas
01 The web got fast. Mobile got left behind. A web developer ships, sees, and proves a change before a mobile developer has a build. We are closing that gap.
capability web.dev mobile.dev Ship a change
Push to deploy in seconds
Build, sign, and wait on review
See it running
Instant preview environment
Borrow a device, install by hand
Agent leverage
Agents write and verify their work
Agents write code they never see run
Proof it works
Checks on every push
Flaky farms, rerun until green
revyl One runtime brings the web loop to mobile: build, run, verify, understand.
02 From a research project to a platform.
The research escapes the lab.
Uber publishes the work, and teams everywhere want the same capability. Landseer and Anam, friends from UBC and both Canadian, start Revyl in early 2024 to build it for everyone.
Y Combinator, Fall 2024.
Revyl moves to San Francisco for YC’s Fall 2024 batch, with a pre-seed led by Canada’s Panache Ventures. Canadian original, Valley velocity.
Testing became the platform.
What started as AI testing grew into the mobile development platform: one runtime where teams and their agents build, develop, verify, and understand mobile apps.
03 Code alone is not a working product. Everything we build turns intent into running, verified mobile software.
01
Runtime over assumption
Ground every decision in the behavior of the real application.
02
Evidence over ceremony
Make it easy to see why a change works and where it failed.
03
Compounding context
Ensure every run makes the next person or agent more capable.
04 Canadian original. Backed on both sides of the border, built in San Francisco.
Y Combinator F24 
Investor 
Investor 
Led pre-seed · Canada 
Feld Ventures Investor + angels Operators from Uber, Meta, and Nvidia, including a co-creator of OpenTelemetry.
05 
team.capture The Revyl team. San Francisco, 2026. A small team building the whole loop, from cloud devices to Atlas, with the same standard for everything that ships: prove it on a real device.
yc.f24 Where it started. Landseer and Anam at Y Combinator, Fall 2024. Two Canadians, one demo day, and a bet that mobile software deserves proof.
06 Come build it with us.
We are hiring engineers who want to own the loop from code to running, verified mobile software.