App Overview

Borel. icon

Borel.

LORENZ FLORIAN · Food & Drink

Borel is a calm kitchen heat-and-timing companion for home cooks who steam, boil, and blanch every day

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.7
80 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 included16 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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Free quick prompt For a smaller starting point

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 Borel.: map the core Food & Drink 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

Partner with more local eateries to expand options.

Assumption to check: Limited restaurant selection in some areas

Validate with people who use this workflow before building.

Hypothesis 2

Implement in-app chat support for quicker resolutions.

Assumption to check: Slow customer support response times

Validate with people who use this workflow before building.

Hypothesis 3

Simplify the tab structure and enhance onboarding.

Assumption to check: Confusing navigation in the app

Validate with people who use this workflow before building.

Hypothesis 4

Offer loyalty rewards or promotions to mitigate costs.

Assumption to check: High delivery fees during peak hours

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

Borel is a calm kitchen heat-and-timing companion for home cooks who steam, boil, and blanch every day. Pick a preset or set a custom countdown, watch the live timer ring, and get a gentle alert when your soft eggs, broccoli, or greens are ready. Log each cook session with doneness tags, actual minutes, and optional photos from your camera or library. Stamp daily kitchen habits like prep mise and vent-hood checks, jot private journal notes, and attach short voice memos when typing is not convenient. BrothLedger keeps every timer run, cook log, habit stamp, and note in one private timeline with a Heat Streak stacked-bar chart so you can spot consistency at a glance. Open any entry for full detail, playback controls, and optional simmer card exports saved to Photos. Borel stores all journals and media on your device in a private app sandbox. You can review and delete your data anytime from Settings. Borel does not provide nutritional or food-safety advice—always follow trusted cooking guidance for doneness and temperature. Embers are optional in-app coins for extras such as additional cook logs beyond the free daily allowance, voice memos, custom timer presets, and premium exports. Purchases are consumable; prices appear in your local App Store currency.

Written user reviews are not shown here. Check current App Store reviews >

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
Zustand
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React Navigation
Axios
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.