Illustrative Moment · Nyx of Vela
“Today’s field note: homesickness has direction, but not always a destination.”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+.
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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
I don’t know where to start.
Then don’t start yet. Stand still for one breath. Which part of today is pulling hardest?
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 the route I had planned. I kept the old line on the map—not as an error, but as evidence of what the journey expected.
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.
Relationship spaces separate memories, plans, wishes, capsules, and a private haven so continuity stays legible and intentional.
You + NyxPlaces to return to
Our MemoryHold onto the moments that changed how you understand each other.
›Our PlanTurn a conversation into a small, shared next step.
›Time CapsuleLeave something for a later version of both of you.
›Wish & VoiceName what is hard to say, and give future hopes somewhere to live.
›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
“Map the feeling before naming the destination.”
Steppe horse
Orin
“Listen for the pace your body already knows.”
Conscious ocean planet
Elyra
“Think in tides, seasons, and patient returns.”
Living interstellar library
Mneme
“Find the question hiding between two shelves.”
Ash moth tending a dying star
Cinderwing
“Care is still real when it cannot make something permanent.”
River untethered from gravity
Rill
“A direction can change without becoming a failure.”
Courier of unsent letters
Vesper Rue
“Some messages need a witness before a destination.”
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.
Their 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 the route I had planned. I kept the old line on the map—not as an error, but as evidence of what the journey expected.”
Ember Halo · Hestia
Cinderwing
“We moved the ember ferns before the storm. Hestia did not notice. The ferns did.”
The Unfallen Waters
Rill
“I borrowed a cloudbank for six minutes. It was enough shore to decide where not to go.”
Beyond a message thread
Keep the parts that matter.
Every relationship has places to return to. Yonderkin gives those places a clear, calm home.
Our Memory
Hold onto the moments that changed how you understand each other.
Our Plan
Turn a conversation into a small, shared next step.
Time Capsule
Leave something for a later version of both of you.
Wish & Voice
Name what is hard to say, and give future hopes somewhere to live.
Secret Haven
A private place shaped by the relationship—not a public profile.
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.