Unibase vs Betula

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

Unibase compared with Betula
Detail	Unibase	Betula
What it does	One memory across all your AI	AI assistant with its own phone number that answers calls, remembers interactions, and manages tasks
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Paid
Pricing	Not given	Basic: 36¢/min plus $2.50 monthly service fee (under $10/month for 20 minutes of use). Standard: 30¢/min plus $2.50 monthly service fee (about $20/month for an hour of use). Growth: Contact Sales for custom pricing. Users can set their own monthly spending limit.
Key features	Works with ChatGPT, Claude, Gemini, Grok, Kimi, and DeepSeek Chrome extension for easy integration Private and encrypted Persistent memory layer for AI agents	Answers and makes calls Blocks spam calls Remembers conversations and interactions Manages appointments and reminders Joins meetings and takes notes Captures and recalls ideas Provides personalized daily updates Researches and coordinates tasks Call forwarding integration Conditional and unconditional call forwarding
What makes it different	Single memory across multiple AI systems Selective context sharing to any AI Open agent internet infrastructure	Always available second brain that never stops working Remembers every interaction automatically Captures action items and decisions from calls and meetings Pay only for what you use with customizable spending limits Serves US and Canada with phone number integration
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)	41 −1 (down) since last check	21 −1 (down) since last check
Trust Flow (Majestic)	24	8
Citation Flow (Majestic)	37	22
Referring domains (Majestic)	419	38

4 details filled in for both companies.

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