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.
Hunt the Odds Ballistics turns a rangefinder reading into a dial setting — nothing more to think about in the field.
$0.99
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.
Your first Build Kit is free with a verified email.
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.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Hunt the Odds Ballistics turns a rangefinder reading into a dial setting — nothing more to think about in the field. TYPE THE RANGE. READ THE DIAL. Hunt Mode asks for one thing: the range. Everything else — your rifle, your load, your zero — lives in a saved profile you set up once. Add wind if you have it, and you get a clear MOA or MIL correction with the exact click count for your scope. No menus to dig through with a buck standing at 400 yards. BUILT ON REAL PHYSICS Underneath the simple interface is a genuine point-mass ballistic solver — G1 and G7 drag models, 4th-order Runge-Kutta integration, and real atmospherics (temperature, pressure, humidity, altitude, density altitude). Shooting uphill or downhill is handled exactly, not approximated. Wind works at any clock angle, not just a straight crosswind. Coriolis is there for the shots where it matters, off by default. We don't fake what we haven't validated. If a feature isn't backed by a real model, it's labeled unavailable — never guessed. ONE-TAP ELEVATION Tap once and the app pulls your current elevation from your phone's location — a single reading, not continuous tracking — and feeds it straight into the air-density calculation. Deny location or skip it entirely and you can always type elevation in by hand. FIELD MODE A large-print, single-screen view built for one hand, bad light, and no fumbling. Range and dial, nothing else competing for your attention. RIFLES & LOADS, SAVED Store multiple rifles, each with its own loads, zero, scope click value, and sight height. Switch between them in a tap. A built-in demo profile lets you try the app before entering your own data. DOPE TABLES & PRINTABLE RANGE CARDS Build a dope table at any range interval, with the columns you want — including drop in inches. Export a clean, printable range card (3×5 card or full page) as a print layout or a shareable image, for the days you'd rather glance at paper than a screen. YOUR UNITS, YOUR CALL MOA or MIL. Yards or meters. Fahrenheit or Celsius. Switch anytime — your rifle's own click value always drives the dial. WORKS WITH NO SIGNAL Install it and it works fully offline, deep in the backcountry with zero bars. No account, no login, no cloud sync required — your rifles and settings stay on your device. Hunt the Odds Ballistics is a calculator, not a guarantee. Confirm your dope at the range, and use good judgment in the field — the app gives you a number, the decision is always yours.
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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.
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.
Not assessed in a Build Kit yet.
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.