App Overview

Doppler Radar: Live Rain Map icon

Doppler Radar: Live Rain Map

Voros Innovation · Weather

Know when the rain starts, and when it stops.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.6
38,618 ratings · Top 15%

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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Build Kit

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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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Quick prompt

> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Doppler Radar: Live Rain Map: map the core Weather 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

Include a broader database of locations with user suggestions.

Assumption to check: Limited locations may not cover all user areas.

Validate with people who use this workflow before building.

Hypothesis 2

Implement a robust notification system with user control.

Assumption to check: Notifications can sometimes be unreliable.

Validate with people who use this workflow before building.

Hypothesis 3

Simplify the interface with better layouts and fewer distractions.

Assumption to check: User interface can feel cluttered.

Validate with people who use this workflow before building.

Hypothesis 4

Provide clearer explanations and previews of subscription benefits.

Assumption to check: In-app purchases can be confusing.

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

Know when the rain starts, and when it stops. Doppler Radar answers the only question that matters when the sky turns: is rain coming to where you are standing, and how long until it gets here. Our high-resolution radar resolves individual showers rather than smearing them into a blob. WATCH THE RAIN MOVE - Detailed, fast-refreshing rain map showing rain, snow, sleet and hail - Nowcast prediction up to 45 minutes ahead, so you see where a shower is going - Drag the loop by hand or let it animate, with a timestamp on every frame - Pinch and pan from a street-level view out to a whole continent - Adjust radar opacity over standard or hybrid map backgrounds NOAA ALERTS THAT ACTUALLY REACH YOU - Official NOAA severe weather warnings, watches and advisories, with the affected area drawn on the map - Land and marine warnings for the whole country - Choose which severity levels are worth interrupting you for - Time Sensitive delivery, so a tornado or flood warning breaks through Focus - Rain notifications before the first drop, with your own minimum rainfall threshold STORM AND HURRICANE TRACKING - Hurricane tracker with forecast cones and past storm tracks - Monitor several active systems at once, each with expanded detail - Full-screen weather maps on iPad THE FORECAST, HOUR BY HOUR - Hourly detail for the next 24 hours, daily outlook to 14 days - Feels-like, minimum and maximum temperature - Humidity, dew point, wind speed and direction - Chance of rain, sunrise and sunset times, moon phases - Tap any day to open its hourly breakdown ON YOUR WRIST - Apple Watch app showing radar over your selected location - Turn the Digital Crown to move through the loop frame by frame BUILT TO BE FAST - Save locations anywhere in the world and switch between them in a tap - Long press the map to read conditions at that exact coordinate - Imperial or metric units (F/mph or C/kmh) Privacy Policy: https://www.vorinn.com/privacy-policy/ Terms of Use: https://www.vorinn.com/terms/

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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.

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BUILD KIT DIFFICULTY
Advanced

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.