Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
Once upon a time, Cinderella lost her slipper, Aladdin found a lamp, and a princess slept for a hundred years
$4.99 · In-app purchases
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Blue Fairy Tales: map the core Books workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Assumption to check: Limited content variety in books apps leads to user churn.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor search functionality makes it hard to find specific stories.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inadequate personalization options reduce user engagement.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Once upon a time, Cinderella lost her slipper, Aladdin found a lamp, and a princess slept for a hundred years. 37 of the world's most beloved fairy tales, all in one place, ready to be explored like never before. 37 STORIES. 74 SCENARIOS. 8 GAMES. THE ADVENTURE BEGINS. 8 GAMES. ENDLESS REPLAY. Sliding Puzzle. Reassemble tale cover art, tile by tile. Memory Match. Flip cards and find matching pairs from the kingdom. Guess the Story. See a cover, name the tale. Two Truths & a Lie. Spot the false statement hidden among truths. Who Said It? Match famous quotes to the right tale. Name That Tale. Identify stories from character clues. Moral Compass. Connect morals to their tales. Character Match. Link characters to their stories. Story Spinner. Spin the wheel and land on a random tale. Every game pulls from all 37 stories. Every round is different. WHY PLAYERS LOVE IT New rounds every time you play. No two games are the same. Puzzles challenge your eye for detail. Memory match sharpens your brain. Trivia tests what you really remember. Beautiful cover art on every card. Instant feedback after every answer. No loading screens. No waiting. Just tap and play. PLAY ANYTIME, ANYWHERE No internet needed. No login required. Open the app and start playing in seconds. On the bus, in bed, waiting in line. Your games, your pace, your adventure. Read a tale. Absorb the magic. Then face scenarios woven into the narrative. One correct answer. Get it right and earn XP. Get it wrong and discover exactly what you missed. Some will surprise you. Some will trick you. All of them pull you deeper into the fairy tale. LISTEN AT BEDTIME Let the tales read themselves to you. Every story plays as continuous narration, one after another, perfect for bedtime or long car rides. Background playback, lock screen controls, with adjustable narration voice and speed. The Bronze Ring. Prince Hyacinth and the Dear Little Princess. East of the Sun and West of the Moon. The Yellow Dwarf. Little Red Riding Hood. The Sleeping Beauty in the Wood. Cinderella. Aladdin and the Wonderful Lamp. Rumpelstiltzkin. Beauty and the Beast. The Master-Maid. Puss in Boots. The White Cat. The Terrible Head. Pretty Goldilocks. The Wonderful Sheep. Little Thumb. The Forty Thieves. Hansel and Grettel. Snow-White and Rose-Red. The Goose-Girl. Prince Darling. Blue Beard. Trusty John. The Brave Little Tailor. The Princess on the Glass Hill. Jack the Giant-Killer. The Black Bull of Norroway. And more. All 37 tales. 256 CHARACTERS. HEROES, VILLAINS, AND TRICKSTERS. Cinderella. The Big Bad Wolf. Puss in Boots. The Fairy Godmother. Aladdin. Blue Beard. Browse detailed profiles with archetypes: heroes, villains, donors, helpers, tricksters, and wise elders. Discover connections across the kingdom. LEVEL UP FROM LISTENER TO FAIRY GODPARENT Every correct answer earns XP. Climb through 5 ranks: Listener, Reader, Storyteller, Enchanter, Fairy Godparent. Unlock achievements. Build a daily streak. DAILY CHALLENGE One new scenario every day from across all 37 tales. Quick. Magical. Addictive. EXPLORE THE KINGDOM 213 glossary terms. 356 timeline events. 147 locations. 10 reading paths. 18 historical entries. 128 memorable quotes. The deeper you go, the more magic you find. BEAUTIFUL. OFFLINE. YOURS. Pure black OLED dark mode. No internet required. No account needed. No ads. No distractions. Just you and the tales. ONE PRICE. EVERYTHING UNLOCKED. All 37 tales. All 74 scenarios. All 8 games. Audiobook narration for every tale. Every character, glossary term, timeline event, and achievement. No subscriptions. No in-app purchases. No ads. Ever. Once upon a time, you opened this app. And the adventure began. SUPPORT Questions or feedback? [email protected] Privacy: https://pages.stackbase.space/fairy/privacy-policy Terms: https://pages.stackbase.space/fairy/terms-of-service
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.