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.
Your workouts become battles
$6.99 · 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 Quest2Fitness: Workout RPG: map the core Health & Fitness 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: Users find it hard to stay motivated long-term.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited workout variety can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Tracking progress can be cumbersome.
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.
Your workouts become battles. Every set you log strikes a monster, the last set of each exercise is a boss, and finishing your workout levels up the companion who fights beside you. Underneath the game is a full gym tracker: routines, per-set weight and reps, rest timers, PRs, body-weight tracking, history. The RPG is the reason you'll actually open it on the days you don't feel like training. YOUR COMPANION Adopt a dragon, a direwolf, or a winged temple cat. It fights next to you during every workout, grows stronger as you do, and waits in its lair between sessions. Feed it, pet it, build your bond, unlock furniture for its home. EVERY SET IS A STRIKE Damage = weight x reps, so heavier sets hit harder. Beat the weight you lifted last time and you land a crit. Foes come themed to the muscles you're training, and every workout ends with a boss. LOOT, GEAR, AND THE FORGE Fallen foes drop loot. Equip weapons and armor on your character sheet, forge duplicates into upgrades, and watch your companion throw your equipped weapon at whatever stands in front of it. PROGRESSIVE OVERLOAD, GAMIFIED The app remembers every weight you've lifted and shows the exact +5 lb that turns your next set into a crit. Plateau coaching built into the loop, no spreadsheet required. EXPEDITIONS Between workouts, send your companion adventuring across hand-crafted pixel-art islands. It explores live on screen while you rest. Tap to collect what it finds: coins for the shop, food and drinks to keep it fed and happy. A REAL TRACKER UNDERNEATH - Bundled routines (full body, upper/lower, push/pull/legs, glute-focused) or build your own - Swap, add, or remove exercises mid-workout - Rest timer with presets and a smart "need more rest?" prompt - Camera weight scan for reading plates off the bar - Stats: lifetime volume, PRs, streaks, consistency calendar, body-weight chart - Works offline. Your workout data stays on your phone. Pay once, own it. No subscription, no ads, no account required.
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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.