Braintrust vs ERIUS PHONE

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Braintrust compared with ERIUS PHONE
Detail	Braintrust	ERIUS PHONE
What it does	The active observability platform for agents	Virtual phone infrastructure for AI agents
Stage	Growing	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free trial
Pricing	Starter plan free with $10 credits monthly, 1 GB processed data, 10k scores, 14-day retention. Pro plan $249/month with $100 credits, 5 GB processed data, 50k scores, 30-day retention. Enterprise with custom pricing. Overage charges at $4/GB for Starter and $3/GB for Pro on processed data.	Free trial: 14 days free. Starter: €40/month for 1 phone. Team: €129/month for 3 phones. Enterprise: custom pricing. Call minutes: €24/month for 100 minutes, €70/month for 300 minutes, €230/month for 1000 minutes. Android tablet: €69/month (on waiting list).
Key features	Real-time trace inspection LLM scoring and evaluation Production monitoring dashboards Automated pattern detection Dataset versioning and management Prompt optimization with Loop agent Natural language trace investigation Custom annotation interfaces Gateway API for unified access Brainstore database for AI data	Real Android 13 OS with Samsung Galaxy S25 device profile HTTP API for tap, type, swipe, launch, install, read, screenshot, mic Google Play Store and alternative app installation Accessibility tree and screenshot reading for screen understanding Isolated containers with persistent app state between sessions One-to-one voice calls with synthetic voice APK upload and installation capability MCP server support for local integration Dashboard with device management and monitoring
What makes it different	Built specifically for agents which fail differently than normal software Automatic pattern discovery from production data Framework agnostic with no vendor lock-in Enterprise security with SOC 2 Type II and HIPAA compliance Brainstore query engine for faster production debugging	Real Android device in the cloud, not a simulator or emulator Agents interact via touchscreen like real users without app APIs Persistent isolated containers per agent phone with no sharing One-to-one voice calls enabling two-way agent communication Flat monthly pricing with no runtime metering unlike competitors
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	77 +1 (up) since last check	8 +2 (up) since last check
Trust Flow (Majestic)	28	3
Citation Flow (Majestic)	51	27
Referring domains (Majestic)	3530	25

5 details filled in for both companies.

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