How it works
Ready for tonight's bedtime in three steps
Describe your story
Type a simple prompt: "a brave girl who finds a hidden door" or let us surprise you.
We create the magic
Our AI writes the story, gives each character a unique voice, and adds mood-matched background music.
Listen at bedtime
Play in the app, send to Yoto, add to Apple Podcasts — wherever bedtime happens.
14 Wonderlands to explore.
Your child doesn't just hear a story — they visit a place. And they can go back. Each Wonderland is a hand-crafted world with its own atmosphere, lore, and feel.
Boneshire
Fossils glow before sunrise.
Cogsworth
Every invention is alive.
Grimthorn
A mystery arrives every week.
The Higherups
Islands drift on air currents.
Deepmere
The whole city glows.
Starfall Station
Aliens, markets, and rocket fuel.
+ 8 more worlds: The Drift · Ferndeep · Oldstone · Tidemark Cove · The Shimmer Isles · The Undervast · The Fog District · The Rumblelands
14 story blueprints. Every one designed with purpose.
Each story is built on a hand-crafted emotional arc by childhood educators. The AI gives it wings. The blueprint gives it a heart.
Brave Enough to Try
The courage to try new things — and to ask for help when stuck.
Kindness to a Stranger
Noticing someone who needs help — and choosing to act even at a cost.
Saying Sorry
Acknowledging harm, making it right, and receiving grace.
+ 11 more: Sharing · Cleaning Up Your Mess · Telling the Truth · Noticing Someone Is Lonely · Trying Your Best · Respecting Elders · Being Patient · Including Others · Taking Care of Nature · Courage · Gratitude
Let grandma narrate
the adventure.
Record a family member's voice — or your own — and it becomes the narrator for every story your child hears.
Even if they live far away. Even if they can't be there anymore. Their voice reads every bedtime story, forever.
Start with SeriesGrandma's Voice
Recorded • Set as narrator
The Dragon Who Was Afraid
Narrated by Grandma · 8 min
The Lost Key of Cogsworth
Narrated by Grandma · 14 min
The same characters. Every time.
When your child's hero is named Zara the brave fox — she's Zara in episode 1 and episode 47. Same voice. Same personality. Real plot arcs that pick up where they left off.
Build your premise
Name your series. Write the world description. Pick a Wonderland or invent your own.
Create your characters
Name them, give them personality traits, and optionally a catchphrase. Up to 4 per series.
Lock their voices
Each character gets a voice assigned permanently. It never changes across every episode — ever.
Voices locked forever
No character ever gets a different voice mid-series.
Real plot arcs
The AI remembers what happened in every previous episode.
Characters grow
Personalities evolve. Relationships develop. Stakes increase.
Plays everywhere
Yoto, Apple Podcasts, Spotify, Pocket Casts, or in-app.
Therapeutic story modes for neurodiverse children.
Social Stories™ format for ASD support · ADHD-optimized pacing · Anxiety-support narratives
Made for every age
Stories that grow with your child
Littles
Ages 2–6
Gentle magical adventures with simple language, warm characters, and reassuring endings. Perfect for helping little ones drift off to sleep.
Kids
Ages 7–9
Mysteries and discoveries with plot twists, funny moments, and characters who feel like friends. Long enough to satisfy, short enough to finish.
Tweens
Ages 10–12
Epic serialized adventures with moral complexity and real character development. Plus an interactive choice mechanic that shapes the next episode.
Simple, honest pricing
Start free. Upgrade when you're ready.
Free
- ✓2 custom stories/month
- ✓20 catalog stories/month
- ✓English only
- ✓In-app player
- ✓1 child profile
Plus
- ✓10 stories/month
- ✓All languages
- ✓MP3 downloads
- ✓Listen in any podcast app
- ✓1 child profile
Family
- ✓20 stories/month
- ✓All languages
- ✓Mini episodes
- ✓4 child profiles
- ✓MP3 downloads + podcast feed
Series
- ✓Unlimited stories
- ✓3 ongoing series
- ✓Serialized story arcs
- ✓Character voices locked forever
- ✓Custom voice recording
- ✓4 child profiles
Specialist
- ✓Unlimited stories
- ✓10 active series
- ✓Social Stories mode
- ✓ADHD & anxiety story modes
- ✓10 child profiles
Join 2,000+ families on the waitlist
Be first to know when we launch. No spam, ever.
Questions
Everything you need to know
VesperCast is designed for children ages 2–12. Stories are automatically adapted for three age tiers: Littles (2–6), Kids (7–9), and Tweens (10–12). Each tier gets age-appropriate vocabulary, story length, and themes.
VesperCast works on any device with a web browser — phones, tablets, and computers. It's a Progressive Web App, so you can install it on your home screen for a native app experience. Stories can also be delivered via RSS to any podcast app like Apple Podcasts, Spotify, or Pocket Casts.
Yes! Plus tier and above includes direct Yoto integration. After generating a story, tap 'Send to Yoto' and the audio is pushed straight to your Yoto library. Then tap a blank MYO card to link it. Your child can play their personalized story on their Yoto player.
With a Series tier subscription, you can create an ongoing serialized story for your child. You pick the characters, lock in their voices forever, and every episode continues where the last left off. The AI remembers your characters' personalities, ongoing plot threads, and your child's choices — building a real story arc across many episodes.
Wonderlands are 14 hand-crafted story worlds — from a bioluminescent reef city to a steampunk clockwork town to a gothic mystery village. When you create a story, you can choose which Wonderland it's set in. Your child builds a relationship with these places over time, and each new visit feels like returning somewhere they already know.
Every story is filtered through a content safety layer before it's ever voiced or played. We never show ads, never sell data, and comply with COPPA for children's privacy. Only parents create accounts — children are profile names within your family account.
Absolutely. Cancel anytime from your account settings and you won't be charged again. Your stories and child profiles remain accessible for the rest of your billing period. Downgrading to free means you keep your library but return to the 2 stories/month limit.