About

Agents are stuck in browsers. Life happens in apps.

Erius Phone exists to close that gap: a real Android phone that an AI agent can pick up and use — to try your app the way a user would, or to get things done in apps that have no website and no API.

Early access · invite-only Built by a small team

Why we're building this

The agent learned to browse. Then it hit a wall.

AI agents got good at the web quickly. They can read a page, fill in a form, click through a checkout. But most of what people actually do with a computer now happens on a phone, inside apps — and a lot of those apps have no website and no public API. An agent working through a browser simply can't reach them.

The same gap shows up from the other side. If you ship an Android app, you've probably wanted to know how a real person gets through it on a real phone — not a script that breaks the moment a button moves, but something that looks at the screen and figures it out. Testing that by hand on every release is slow, so the bugs that slip through are the ones your users find first.

Both problems have the same answer: give the agent a phone. Not a simulator or a screenshot mock-up — a full Android device, with real apps, a real store and a real browser, that the agent uses through the same surface you do: the touchscreen. It looks, it decides, it taps. And it reports back with what it saw.

How we build it

A few things we won't compromise on.

A real phone, not a pretend one
Full Android, real apps, a real mobile browser. If it wouldn't behave the same on a handset, it isn't good enough.
Every phone is its own phone
Each device runs in its own isolated container on its own network. Your agent's phone isn't shared, pooled, or handed to someone else.
Sign-ins stay human
You do account sign-ins once, yourself. The agent works inside the session you've set up and never handles your passwords.
Plain HTTP, no lock-in
One small JSON API any agent framework can call. Read the reference →
Say what we don't know
Prices aren't set, so the pricing page says "TBA". Some apps won't run on a virtual device, so we tell you which.
Your data is yours
We don't sell it and we don't log what your agent types. Privacy policy →

Where we are

Early, and honest about it.

Erius Phone is built by a small team and is in invite-only early access. Here's where things stand today.

Working today

  • Real Android 13 devices, each in its own isolated container
  • The device API: read the screen, tap, type, swipe, launch, install
  • Installing your own APK, and apps from Google Play
  • Apps and sign-ins that persist between sessions
  • API keys scoped to your account's devices only

Not yet

  • Self-serve signup and a dashboard — we set up early-access teams by hand
  • Published prices and a free tier — see pricing
  • An uptime guarantee — early access is provided as-is
  • Every app — some refuse to run on virtualized devices

Contact

Talk to us.

We're a small team, so you'll hear back from someone who works on the product.

Want a device

Request early access

Leave your work email on the homepage and tell us what you'd like your agent to do.

Request a device → Everything else

info@eriusphone.com

Questions, partnerships, privacy and deletion requests, or an app you'd like us to check works.

Send an email → Building on it

Read the docs

The full device API as it runs today — authentication, endpoints, errors and limits.

Open the API reference →

Give your agent a phone.

Then let it try your app the way your users will.

Request a device