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.
the trendiest global fandom platform
Free · 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 Fancast:Discover somethin' NEW: map the core Entertainment 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: Poor user reviews indicate a lack of content variety.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Cluttered UI makes navigation difficult.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited offline capabilities.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalization features.
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.
the trendiest global fandom platform discover something new, fancast! discover a wider range of fan activities on the newly revamped fancast! ▷ k-pop store now open! - the official k-pop store for fans around the world is now open. - global fans can easily and securely purchase a wide variety of k-pop artist merchandise, including official albums, light sticks, concert tickets, and exclusive goods. - enjoy worldwide shipping—get your favorite k-pop items delivered anywhere! ▷ kbs music bank official voting - vote to reflect your artist’s music bank ranking—now support your favorite on fancast! - the voting results will be officially reflected in the kbs music bank rankings. ▷ 2025 korea grand music awards (kgma) official voting - vote for your artist & give them the honor of winning 2025 kgma! - official website : https://kgma-is.com/ ▷ 2025 kgma trend of the year voting - special awards in 4 categories: k-pop group, k-pop solo, rookie, and trot, all 100% based on fancast voting! participate in the monthly vote to give the artists a special time! ▷ ilgan sports x fancast theme pick - ilgan sportss & fancast vote on a theme together! pick your favorite artist according to a new theme every month. ▷ is weekly chart voting - weekly chart voting with ilgan sports & fancast! - you can now view the monthly chart from the voting detail page. - the home screen section ‘fancast recommended videos’ has been renamed to ‘is weekly chart rankings’. ▷ 2025 kgma best listener's pick - a special award voted by fans, based on the overall rankings from the is monthly chart! ▷ fancast summer showcase - a seasonal special event vote to choose the artist and trend icon that received the most love and attention from fancast users! ▷ fancast official voting! - join the voting event now & congratulate my artist! - you can see the status of the poll in real-time. - artists who gain popularity among fans are inducted into the hall of fame. aespa, ateez, blackpink, boynextdoor, bts, cravity, day6, enhypen, exo, g-idle, itzy, ive, kiss of life, le sserafim, monsta x, nct 127, nct dream, nct wish, new jeans, nmixx, p1harmony, plave, red velvet, riize, seventeen, shinee, stayc, stray kids, the boyz, tomorrow x together, treasure, twice, wayv, xdinary heroes, zerobaseone, tws, babymonster, illit, fifty fifty, hearts2hearts, unis, vvup, kickflip, vcha, izna, nexz, kiiikiii, nouera, nowadays, katseye, meovv, artms, qwer, n.ssign, one pact, n.flying, oneus, onewe, triples, &team, kep1er, secret number, newbeat, katseye, young posse, the wind, evnne, artms, say my name, candy shop, spia, madein, xikers, fantasy boys, 8turn, niziu, big ocean, odd youth, eite, burvey, dignity, blingone, ar^c, xodiac, lun8, trendz, xg, xlov, all(h)ours ▷ cheering board - send words of support to your artist through the fancast cheering board. ▷ community - share your thoughts in the community & talk with fans from around the world. ▷ lucky ticket event - collect lucky tickets from missions & level-ups to participate in special events & get access to a variety of benefits - 2025 korea grand music awards (kgma) invitation giveaway event - ena k pop up chart show ticket event - kpop artist polaroid, signed album event, etc - miffy and the magical postbox exhibition ticket event ※ service access permission guide [required] storage - used to download artist images, data, etc or record data. [optional] location - you can use the service without granting optional access, but some features may be limited. [inquiries and information] for inquiries & suggestions, please use the fancast app's service center's 1:1 contact us official fancast x : @fancastofficial
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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.