TesterArmy is now e2e. Announcing our $8 million seed round.
Announcing our new brand identity and $8M seed funding.
November 3, 2026 · 4 min read
[ resources ]
product updates, company news and what we learn while building testing for coding agents.
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Announcing our new brand identity and $8M seed funding.
November 3, 2026 · 4 min read

e2e's mobile engine runs on Callstack's agent-device. Follow one Expo test from a plain-language goal to exact assertions and cached replays on iOS and Android.

e2e is our open source, Apache-2.0-licensed testing framework. You write exact locators where you need certainty, give the agent a goal where scripting every click isn't worth it, and run the same suite on web, iOS, and Android. Start with npx e2e init.

We raised $1.2M in pre-seed funding. We are building TesterArmy so teams can check that their web and mobile apps work as fast as they can change them.
[ get started ]
npx e2e@latest init