App Overview

Cancer Risk icon

Cancer Risk

Stichting SWOP · Medical

The Rotterdam Prostate Cancer Risk Calculator is based on ERSPC, Rotterdam, data and supported by the Prostate Cancer Research Foundation, Rotterdam (SWOP)

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
2.0
1 ratings · Below Average

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.

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

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.

Screen plan

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.

Differentiate and validate

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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

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Rork plan preview for Cancer Risk: 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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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

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

Competitive pricing with generous free tier

Assumption to check: Expensive subscription

Validate with people who use this workflow before building.

Hypothesis 2

Focus on most-requested features first

Assumption to check: Missing features

Validate with people who use this workflow before building.

Hypothesis 3

Optimize for 60fps, fast load times

Assumption to check: Poor performance

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

The Rotterdam Prostate Cancer Risk Calculator is based on ERSPC, Rotterdam, data and supported by the Prostate Cancer Research Foundation, Rotterdam (SWOP)     The Prostate Cancer Research Foundation, Rotterdam, Stichting Wetenschappelijk Onderzoek Prostaatkanker (SWOP), is an initiative of the Department of Urology of the Erasmus MC, the University and Medical Centre of Rotterdam, in The Netherlands. Its goal is the financial support of scientific research projects in the field of prostate cancer, as well as other cancers of the urinary tract. Please be aware that the Rotterdam Prostate Cancer Risk Calculator for iOS cannot be 100% accurate at predicting the presence or absence of prostate cancer. It is designed to help calculate your risk, not give a definitive diagnosis. The Rotterdam Prostate Cancer Risk Calculator for iOS provides a general risk calculation based on your PSA level and other information. While knowing your PSA level is helpful, the decision to have a PSA test has to be taken seriously after weighing up all factors and discussing the implications with your GP or hospital doctor. It is possible that prostate cancer will not be found even if you have an elevated PSA. However, it may be present even if your PSA level is low. Your doctor may want to take further tests. If you have doubts or questions about your health, you should always contact your GP or hospital doctor. This is particularly important if you have questions which arise from the use of our prostate cancer risk calculator. It cannot be ruled out that the way the Rotterdam Prostate Cancer Risk Calculator for iOS is used, or the indications given by it, are interpreted in a manner that is not appropriate. The creators of the Rotterdam Prostate Cancer Risk Calculator for iOS do not accept any responsibility in any respect. The European Randomized Study of Screening for Prostate Cancer has published its 11-year follow-up results (New England Journal of Medicine, March 15 2012). Once again, they demonstrate that screening does significantly reduce death from prostate cancer. The latest study confirms that a man who undergoes PSA testing will have his risk of dying from prostate cancer reduced by 29%. ERSPC is the world’s largest randomized prostate cancer screening study. It was designed to investigate whether early detection and treatment of prostate cancer might reduce disease-specific mortality and also help to identify men at risk. From 1992, the ERSPC study randomized 162,000 men, aged 55 to 69, across Europe to either a screening arm or a control group. Designed and developed for iOS by Nuno Azevedo of Ydeal.net Software LDA

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
Supabase
RevenueCat
BUILD KIT DIFFICULTY
Starter

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.