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.
Train like an Army Ranger with the Army Ranger Fitness app
$1.99 · 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 Army Ranger Fitness: 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: Limited exercise variety compared to other fitness apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent nutritional information
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Basic progress tracking
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.
Train like an Army Ranger with the Army Ranger Fitness app. The app is the Ranger Athlete Warrior (RAW) training program created by the Army specifically for Ranger physical training. The purpose of RAW is to provide education and training that optimize the physical/mental development and sustainment of the Regiment's most lethal weapon - the individual Ranger. The objective of RAW is to field self-sustaining systems that ensure all Rangers: + Achieve a level of physical fitness that is commensurate with the physical requirements of Ranger missions. + Understand and choose sound nutritional practices. + Employ mental toughness skills to enhance personal and professional development. + Receive screening/education for injury prevention and prompt, effective, and thorough treatment/rehabilitation of injuries when they do occur. The concept for the Ranger human performance initiative that eventually became “RAW.” As the concept for RAW emerged, three objectives were identified: + Control Injuries - No one is against injury prevention measures unless they sacrifice performance. In nearly all instances, sound training practices control injuries and improve performance. For example, replacing some distance running with strength and/or movements skills training will not only decrease the likelihood of lower extremity stress injuries, but will also improve strength/movement skill performance. + Improve Performance - The desire to improve performance does not suggest anything other than a fundamental philosophy of all great organizations– be better tomorrow than you are today. Fortunately, knowledge and experience allow us to train in ways that build upon the Ranger tradition of exceptional physical performance. + Standardize Ranger PT - Rangers at each battalion should develop similar physical proficiencies. PT need not look exactly the same at each battalion, but physical capabilities should be more or less the same across the Regiment. With those three objectives, the Regimental Medical Section began consulting military and civilian performance experts. In January of 2006, the RAW development team began a pilot study with a platoon from 3-75. The latest version (4.0) of the Ranger Athlete Warrior Program was introduced in 2011. Content includes: + Movement Prep and Recovery + Strength Training + Endurance Training + Movement Skills + Hybrid Workouts + Tactical Physical Training + RAW Assessments + Program Schedules + Nutrition + Calculators Bonus! Special Operations Forces Nutrition Guide designed by the military to meet the physical and mental demands imposed by special operations training and missions. You can train like an Army Ranger with the Army Ranger Fitness app.
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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.