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.
ebmcalc complete
$9.99 · 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 EBMcalc Complete: map the core Medical 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 functionality compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User interface feels outdated
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase process can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Low rating indicates user dissatisfaction
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.
ebmcalc complete ebmcalc is the most popular and comprehensive medical calculator system on the web. ebmcalc has been highly acclaimed, reviewed and tested over the last 25 years. as a trusted resource it has been integrated into many prestigious websites for medical education, medical literature, pharmacology, nursing and more. now you can put this invaluable resource in the palm of your hand! ebmcalc users should not make any medical decisions based on app content without seeking their doctor's advice. ebmcalc encompasses over 720 pertinent medical formulae, clinical criteria sets, decision tree tools and dose/unit converters used every day by clinicians, educators, nurses, pharmacologists and students of all types. with the growing emphasis on evidence-based medicine, there has never been a greater need for a system such as ebmcalc. ebmcalc complete edition mirrors the web based resource http://ebmcalc.com there you can see the complete list of components you’ll have in the iphone edition: there are hundreds of basic calculators and unit/dose converters such as: a-a gradient anion gap “delta-delta” adult and pediatric creat clearance and gfr calculators adult body mass index burn injury fluid resuscitation (parkland) cardiac output corticosteroid medication dosing conversions estimated date of delivery pregnancy calculator kappa measurement of inter-observer agreement meld, meld-na and peld scores number needed to treat/harm opioid medication dose conversions oxygen delivery units conversions pft predicted values (multiple) peak expiratory flow prediction pharmacokinetcs calculators si unit conversions: body fluid chemistries standard drink equivalents water deficit in hypernatremia you also get very complex calculators that utilize statistical models and embedded data tables. calculators such as: acetaminophen toxicity assessment blood pressure percentiles in children body mass index percentiles in children height for age percentiles for boys multiple other pediatric growth assessment calculators there are also hundreds of clinical criteria sets and decision tree modules such as: apgar score asthma hospitalization one year risk treecalc behcet's syndrome international study group criteria bode index for copd survival prediction cardiac risk assessments including framingham studies chads-2 diabetes type predictor dvt and pe predictor models ectopic pregnancy risk estimation endocarditis diagnostic criteria gail models for breast cancer risk assessment hepatitis scoring systems influenza diagnosis and treatment jones criteria metabolic syndrome criteria (multiple) mycoplasma pneumoniae prediction neurofibomatosis type 2 diagnostic criteria newborn hyperbilirubinemia assessment nih stroke score ottawa and pittsburgh orthopedic rules perioperative cardiac evaluation pneumonia morbidity and mortality predictors (multiple) renal artery stenosis prediction model. stroke risk in patients 55-84 years old (framingham data) exploring ebmcalc by specialty reveals the extensive knowledge base and literature review presented in ebmcalc. specialty indexes include: anesthesia anthropometrics cardiology critical care dermatology emergency medicine endocrinology epidemiology gastroenterology geriatrics hematology infectious disease medical education medical statistics nephrology neurology nursing nutrition oncology orthopedics pain management pediatrics pharmacology physical medicine & rehabilitation psychiatry pulmonology rheumatology smoking cessation surgery women's health workers' compensation to practice, teach and learn medicine based on solid, literature based evidence, ebmcalc provides easy to use, interactive tools for your evidence-based medicine.
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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.