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.
The ASTB (Aviation Selection Test Battery) is used by the U.S
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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 ASTB Prep: map the core Education 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 practice questions
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: High price point for subscription
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of gamification features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline access to materials
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.
The ASTB (Aviation Selection Test Battery) is used by the U.S. Navy, Marine Corps, and Coast Guard to select candidates for pilot and flight officer training programs. A shorter version of the ASTB called the Officer Aptitude Rating (OAR) is used by the U.S. Navy to select candidates for Officer Candidate School (OCS). These exams are used by the organizations discussed above to determine a candidate's future success in military officer training programs. A candidate must do well on the respective exams to have a better chance of being offered a commissioning slot. Furthermore, the better you do on the exams, the more opportunities you will have in the naval services. In this APP, you will have access to: ∙ 73 Lessons with review sections ∙ The ability to track your progress through the syllabus ∙ Over 140 flashcards to help you memorize pertinent information faster. ∙ Create and edit custom flashcards ∙ Over 600 sample test questions ∙ Unlimited Practice Tests using the same question logic as the actual exam (This is the only product out there currently doing this) ∙ Simulators to help you prepare for the UAV Component, Terrain Identification Component, and the Stick and Throttle Components of the PBM Test Section (This is the only product that offers this) ∙ Review errors made on the practice tests with the correct answer and explanations for select questions ∙ View previous test results and assess your progress The OAR is comprised of 3 subtests, the Math Skills Test (MST), Reading Comprehension Test (RCT), and Mechanical Comprehension Test (MCT). The ASTB incorporates 7 subtests, including the 3 subtests in the OAR. In addition, it includes the Aviation and Nautical Information Test (ANIT), Naval Aviation Trait Facet Inventory (NAFTI), Performance Based Measures Battery (PBM), and the Biographical Inventory with Response Validation (BI-RV). This app has lessons covering all of the tests discussed above so that the app will prepare you for the ASTB or OAR. Furthermore, it is the only product with a simulator to help you prepare for the UAV Component, Terrain Identification Component, and the Stick and Throttle portions of the PBM. The ASTB and OAR are digital tests, and they are not linear in the way questions are asked. Both tests use adaptive processing, and the software will ask questions of greater or lesser difficulty if the test taker answered the question correctly or incorrectly, respectively. This app has practice tests for the MST, RCT, MCT, and ANIT that incorporate the same question logic and scoring, and you will be able to take an unlimited amount of practice tests on the subjects you need to work on. Furthermore, using the app's advanced scoring system, you will know whether or not you are ready to take the ASTB or OAR with the greatest accuracy. Once the app has been purchased, no cellular data or Wi-Fi is required to run the app, making it the ideal solution to use when studying for these tests on the go or deployed.
Written user reviews are not shown here. Check current App Store reviews >
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.