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.
dadadada is your ultra-cool mobile armory and watch armory
$2.99 · 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 DaDaDaDa - Air Gun Simulator: 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: Limited variety of air guns available
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of user engagement features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline access to sounds or images
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.
dadadada is your ultra-cool mobile armory and watch armory. currently available: ak47, colt python, desert eagle, m1, m134, m416, p365, and tti g34. if there's a firearm you'd like to see, leave me a message! on the battlefield, who says only controllers can be weapons? dadadada - airgun offers an unprecedented interactive experience! with your phone and watch, you can become a firearm expert, enjoying the immersive feel of body-sensing shooting. imagine holding your phone as an airgun, wearing your watch as a machine gun, and hearing the sound of “dadadada” as you fire, feeling the full force of the action! the vibration feedback increases with the strength of your weapon, and each gunshot like “biubiubiu” brings you deeper into the game world. different weapons also bring unique sounds, like the “pewpewpew” of the m14 rifle, creating a distinct combat experience. why is dadadada more fun? dadadada - airgun is not just an ordinary shooting game. it merges your phone, watch, and real gun experiences into one, where every movement is precisely captured, creating a truly immersive gameplay experience. every time you fire, the sound of “dadadada” rings out, and the powerful recoil of the machine gun makes you feel the impact. switch to the airgun, and you’ll hear the “biubiubiu” of a precise shot, making every battle feel fresh. different guns give you a variety of sounds and sensations, ensuring that every battle is different. the advantages of dadadada 1. vibration feedback: different guns have different recoil feedback. choose a powerful machine gun like the gatling, and experience the intense vibration that matches the “dadadada” sound of rapid-fire shots. switch to the airgun and feel the “biubiubiu” of the desert eagle’s precise shots, or the stable “pewpewpew” of the m14 rifle, each with its own unique feel. 2. realistic reloading actions: every time you reload, you’ll hear realistic reloading sounds, mimicking the actual motions. this interactive feedback keeps you fully immersed, as if you’re completing a crucial mission rather than just playing a game. 3. watch & phone independent or synchronized play: whether playing alone or with friends, the watch and phone can function independently. you can even dual-wield, or enjoy the game with family or friends. switch between weapons like the desert eagle, ak47, gatling, or m14, each offering different sounds and handling. for instance, while your phone shoots “dadadada,” your watch may fire with “biubiubiu,” providing an even more dynamic experience. 4. perfect for multiplayer fun: whether you’re playing with friends, family, or your partner, dadadada makes it easy to share the fun. imagine having a “dadadada” versus “biubiubiu” showdown with your friends at home, or letting your kids experience “pewpewpew” from the m14 rifle. you’ll feel like you’re in a real shooting range, adding fun to any setting. how to play dadadada by yourself or with friends? 1. play alone when you play alone, you can wear the watch, hold the phone, and simulate shooting with different guns. the “dadadada” sound of the machine gun or the “biubiubiu” sound of the airgun makes it exciting and fun. the vibration feedback from both the watch and phone makes each shot feel real, and the sounds change based on the weapon you choose. 1. play with friends when you play with friends, you can use both the phone and watch for an interactive battle. whether you’re going head-to-head or teaming up, you’ll hear different sounds, like “dadadada” from the gatling machine gun or “biubiubiu” from the desert eagle. each weapon adds its own character to the gameplay. 1. play with family or partner playing with family or a partner is even more enjoyable. imagine you and your partner or children standing together, using the “dadadada” gatling or “biubiubiu” desert eagle to simulate shooting, all while enjoying friendly competition or cooperation. we would love to hear from you!
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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.