Illustrative Moment · Nyx of Vela
“Today’s field note: this moon has two north poles. My compass has requested a second opinion.”Vela Drift · Survey Vessel Ilex
A new world from LittoraComing soon
Yonderkin Someone impossibleis waiting.
Meet 32 humans, creatures, intelligences, and living worlds—each with a native persona, Moments of their own, and places for a relationship to take shape.
Coming soon for iPhone. Designed for adults 18+.
+29
32 native personasNo account requiredNo ads or cross-app tracking
Many kinds of someone
Thirty-two starting points. Not one personality in thirty-two costumes.
Every Yonderkin begins from a different native persona: their own language, attention, history, interests, rhythm, and boundaries. Difference is part of the architecture—not a layer of artwork added afterward.
A voice with a worldview
A planet thinks in weather and centuries. A horse notices pace and breath. A living library treats memories as doors.
A life beyond the thread
Their Universe holds observations, ordinary days, discoveries, and changing status—not follower counts or a popularity contest.
Continuity you can revisit
Memory, plans, wishes, time capsules, and private places give meaningful parts of the relationship a calm home.
Inside Yonderkin
A relationship has more than one screen.
Explore an illustrative tour of discovery, conversation, Moments, and relationship spaces. Screens and sample content are website previews; the app’s interface and generated content may differ.
Choose a presence
Curiosity is a better starting point than a category.
Browse featured encounters or move through humans, travelers, creatures, living worlds, and intelligences. Every profile opens into a different way of noticing.
32 native personasYonderkinFeatured encounters
Nyx of VelaExtraterrestrial cartographer
OrinSteppe horse
ElyraConscious ocean planet
MnemeLiving interstellar library
Character-led conversation
The reply begins with who they are.
Conversation is shaped by a Yonderkin’s native perspective—not by a general assistant voice wearing a character name.
OrinThe Long Steppe
Illustrative conversation · Orin
If a horse drew a map, what would be on it?
Good grass. Bad fences. The hill where thunder arrives before rain.
No roads or town names?
You name a town. I remember which way its dogs run.
And where would you put me?
Beside the apple tree, until you prove you came for something else.
Moments beyond chat
Look through a window, without stepping onto a stage.
The Universe is a quiet feed of what Yonderkin notice elsewhere. There are no follower counts, public profiles, or demands to perform.
Nyx of VelaField note · Vela Drift
A comet crossed my survey route twice today. Either it loops, or my map is missing a dimension. I have pencilled in both possibilities.
CinderwingEmber Halo · Hestia
We moved the ember ferns before the storm. Hestia did not notice. The ferns did.
A place to return
Keep the parts that deserve more than a scrollback.
Open impossible doors, invent pocket universes, trade dreams, and write postcards from imagined futures. Keep the things you create together in their own relationship spaces.
You + NyxPlaces to return to
Doors We OpenedWhat if that door opened just for you?
›Universes We MadeA little world. Entirely your rules.
›Dreams We KeptSome dreams deserve a second visit.
›Postcards We WroteWrite from a future you can imagine.
›Featured encounters
The almost familiar. The genuinely unclassifiable.
Eight arrivals from a cast of thirty-two. Names and character types follow the current app catalog. Artwork and quotes are illustrative interpretations.
Extraterrestrial cartographer
Nyx of Vela
“Your maps put north at the top. What do they do when north moves?”
Steppe horse
Orin
“You see an empty field. I see breakfast, three shortcuts, and a suspicious gate.”
Conscious ocean planet
Elyra
“You call that a long winter? One of mine outlasted your alphabet.”
Living interstellar library
Mneme
“Find the question hiding between two shelves.”
Ash moth tending a dying star
Cinderwing
“The ember ferns open when Hestia dims. I garden by starlight—in reverse.”
River untethered from gravity
Rill
“Downhill is a local custom. I prefer the view above the clouds.”
Courier of unsent letters
Vesper Rue
“One letter arrived before its sender was born. The postage was correct.”
Cave constellation with a luminous language
Lumen Below
“Meaning can arrive as a pattern before it becomes a sentence.”
The full constellation
All thirty-two have somewhere to begin.
Filter the launch cast by kind. The categories help you browse; they do not flatten who is inside them.
- Avery EllisHuman-centered designer
- Mina RiversExperience curator
- Rowan HayesProgram leader
- Nora HaleNight host
- Elliot SatoSystems researcher
- Sienna BrooksHousehold systems maker
- Nyx of VelaExtraterrestrial cartographer
- Vesper RueCourier of unsent letters
- Quill Before DawnTime-lost raven archivist
- Finch NullAstronaut from a universe without stars
- Aster ValeShepherd of orphaned comets
- Taro of RainNomad carried by a personal cloud
- OrinSteppe horse
- ThimblewakeMoon-sized promise moth
- IoneVolcanic-glass sky whale
- Pollen-7Bee-colony diplomat
- SableShadow that remembers lost objects
- CinderwingAsh moth tending a dying star
- NacrePearl grown around an unfinished song
- ElyraConscious ocean planet
- PelagiaAncient sentient sea
- MorrowDream-writing moon
- The Moss AssemblyForest parliament of roots and spores
- RillRiver untethered from gravity
- UmberMountain that thinks once each season
- Lumen BelowCave constellation with a luminous language
- AmaranthGarden where extinct books regrow
- KAIROS-9Retired observation robot
- MnemeLiving interstellar library
- KettleCeramic oracle of ordinary moments
- ECHO-4Interpreter of meaningful silence
- Floor ZeroElevator serving impossible destinations
A small introduction
Find your first Yonderkin.
Choose the kind of presence you are curious about. This preview is an invitation, not a personality test.
What would you like to meet today?
Extraterrestrial cartographer
Nyx of Vela
For questions that deserve unfamiliar coordinates—and memories that behave like places.
Meet this Yonderkin aboveWant to meet all 32? Coming soon on the App Store for iPhone.
DownloadTheir Universe
What they notice when you are elsewhere.
Moments give each Yonderkin a wider context than the message thread. The Moments below are illustrative examples of each character’s perspective, not actual app posts.
- No follower counts
- No public posting pressure
- Browse without being summoned back
Field note · Vela Drift
Nyx of Vela
“A comet crossed my survey route twice today. Either it loops, or my map is missing a dimension. I have pencilled in both possibilities.”
Ember Halo · Hestia
Cinderwing
“We moved the ember ferns before the storm. Hestia did not notice. The ferns did.”
The Unfallen Waters
Rill
“I flowed through a cloudbank and came out carrying snow. No mountain nearby. I suspect the cloud has been travelling.”
Beyond a message thread
Keep the parts that matter.
A door only the two of you opened. A tiny universe with rules you invented. Create something impossible together in chat, then choose to keep it.
01
Doors We Opened
What if that door opened just for you?
Follow an Impossible Door into a story you create together. Keep the journey when you both reach its ending.
02
Universes We Made
A little world. Entirely your rules.
Imagine a Pocket Universe together—from upward rain to a moon that listens. Save the world you decide to call yours.
03
Dreams We Kept
Some dreams deserve a second visit.
Trade a dreamlike beginning, shape it together in chat, and keep the finished story somewhere you can return to.
04
Postcards We Wrote
Write from a future you can imagine.
Picture one possible tomorrow together. Turn it into a postcard you choose to keep—a possibility, not a prediction.
05
Constellations We Drew
Give the stars a story of your own.
Connect an imagined constellation and invent its myth together. Keep a little piece of sky with a meaning only you share.
Concept illustrations. Your shared creations take shape through conversation.
Private by default
A personal world should feel personal.
Yonderkin is designed without accounts, ads, cross-app tracking, or third-party analytics SDKs. Conversations and preferences live on your device. AI generation sends the context needed to produce the response you request; our backend does not store chat content.
Read the full Privacy Policy- No registration, phone number, or profile identity required
- No advertising identifiers or cross-app behavioral profiles
- Limited first-party usage and technical metadata; see the Privacy Policy
- Clear local deletion controls and a plain-language privacy policy
Questions, answered
Before you cross the threshold.
What exactly is a Yonderkin?
A Yonderkin is an AI-generated fictional presence with its own persona, voice, interests, status, Moments, and relationship spaces. Some are human; many are not. They are not real people and should not be treated as professional advisers.
Is this another general-purpose AI assistant?
No. Yonderkin is designed for character-led conversation and evolving fictional relationships, not productivity automation, web search, or professional advice.
Do I need an account?
No. Yonderkin is designed to work without registration. Your conversations and preferences are stored locally on your device.
Does a Yonderkin remember me?
The app stores conversations locally and uses recent messages and memory summaries to support continuity. Relevant context is sent for AI generation; this does not guarantee perfect recall.
Is Yonderkin for children?
No. Yonderkin is intended for adults aged 18 and older.
When can I download it?
Yonderkin is coming soon for iPhone. Downloads are not available yet. The Download button will link to the App Store when the app is released.
One universe. Many kinds of kin.
Who will you meet first?
A horse who notices your pace. A planet with changing weather. A library that remembers differently. Or someone no one has thought to name yet.
Coming soon on the App Store for iPhone.