Facts & press

The short, verifiable version of Aethris.

Aethris is the home of Mona, a proactive AI companion with real-time voice, persistent memory, an animated presence, and the ability to follow up. This page separates what is live today from what the product may become later.

Quick facts

Product information

Product
Aethris
First companion
Mona
Category
Proactive AI companion
Platform
Web app for modern desktop and mobile browsers
Audience
Adults age 18 and older
Free plan
Mona Free: 75 replies to start, then 5 a day, saved up to 15; never expires; no credit card required
Pricing
Aethris+ is $15.99 USD monthly, $39.99 USD quarterly, or $139.99 USD yearly: 20 replies a day, with unused replies stacking up to 60, and the full cast (Mona, Reze & Anya)
AI disclosure
Mona is an AI character, not a real person
Facts last checked
October 5, 2026

Available now

Current capabilities

Real-time voice

Users can speak with Mona and hear her answer in her own character voice.

Persistent memory

Mona can remember relevant details and open threads across later conversations.

Proactive conversation

Mona can initiate a check-in instead of waiting for the user to reopen the chat.

Reminders

Mona can turn a conversational request into a reminder that fires at the requested time.

Animated presence

A hand-drawn animated avatar gives Mona visible expressions and reactions.

Images and everyday context

Mona can react to images a user shares and use tools such as weather lookup where available.

Clear boundaries

What Aethris does not claim

  • Mona is not human, conscious, or a substitute for human care.
  • Mona is not a therapist, doctor, lawyer, or financial adviser.
  • Proactive messaging is bounded initiative, not unrestricted autonomy.
  • Future capabilities are not presented as current product features.
Read the safety policy

Privacy

Conversations remain user data

Aethris states that conversations are not sold, shared with advertisers, or used to train AI models. Users can delete their data from settings. The complete terms live in the public privacy policy.

Read the privacy policy

Press kit

Describing Aethris

Aethris makes Mona, a proactive AI companion. Mona is an anime-style character, a banished demon princess, who talks with users by voice and text, remembers their conversations, reacts through a hand-drawn animated avatar, and reaches out first with follow-ups and reminders. Aethris runs in the browser on desktop and mobile and is for adults 18 and older.

Please refer to the company as Aethris and the character as Mona.

Official sources