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.
Over 70 million downloads worldwide
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 Age of Origins:Tower Defense: map the core Games workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Over 70 million downloads worldwide Kill zombies, form alliances, and lead human civilization back from the brink of doom in this MMO zombie strategy game! The zombie apocalypse threw humanity into the dark ages. Now, you are the ray of hope in the darkness. Raise massive armies of high-tech machines, biochemical soldiers, and human soldiers to survive! Eliminate zombie hordes, rebuild your city, rescue refugees, and bring new prosperity to revive human civilization! Form alliances with other commanders from around the world to crush your rivals, seize control, and lead a new era of humanity! Because in Age of Origins, the zombies may be dangerous, but the other players are the real threat! SURVIVE - Recruit, innovate, and eliminate! Build massive armies of humans, biochemical zombies, and warplanes. - Heroes win the day! Recruit unique characters to lead your army, including an international secret agent, a mad scientist, an honorable sheriff, and more! - Fight the unknown! Zombies, mutant bears, doomsday monsters, and other strange creatures are everywhere! - Real topography! You must expand strategically around a real 3D map of the terrain, lakes, and mountains! Choosing the right route is the difference between life and death! REVIVE - Wipe out the zombie hordes! Reclaim your city block by block to rebuild hospitals, houses, and farmland! - Scavenge for loot and rescue refugees to make your city more prosperous! - Watch the world map change before your very eyes! You’ll unlock new development phases, with bigger bonuses and new gameplay! THRIVE - Hurry to dominate the land! Your alliance will rule the map with real-time battles of hundreds of players fighting together! - Form huge alliances with real players from around the world, through diplomacy or deception. The zombie threat is just the beginning! - Rage massive clan wars for land, resources, and technology. Take the lead in the race for control! Do you have what it takes, Commander? The fight for survival begins now! Age of Origins is a free-to-play game. Some in-game items (including random products) can be purchased. Connect with us on Facebook: https://facebook.com/AgeOfZ/ Twitter: https://twitter.com/AgeofZOrigins
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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 depth in strategic gameplay leading to repetitive experiences
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can feel essential for progression
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Ads can disrupt gameplay flow and immersion
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficulty spikes at later levels can frustrate players
Validate with people who use this workflow before building.
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.