App Overview

Hill Lists icon

Hill Lists

Graham Haley · Navigation

First released in 2009, this popular application includes data for almost 20,000 hills in the UK and Ireland, plus over 90 lists including ...

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
5.0
1 ratings · Top 5%

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

// RORK SYSTEM PROMPT
Rork plan preview for Hill Lists: map the core Navigation 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

Implement a more robust search with filters and user-generated content.

Assumption to check: Limited hill data and search functionality

Validate with people who use this workflow before building.

Hypothesis 2

Integrate social sharing options for climbing achievements.

Assumption to check: Lack of social sharing features

Validate with people who use this workflow before building.

Hypothesis 3

Add offline map viewing and list access for users in remote areas.

Assumption to check: No offline functionality

Validate with people who use this workflow before building.

Hypothesis 4

Offer a free tier with basic features and in-app purchases for advanced features.

Assumption to check: Paid app with limited features

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

First released in 2009, this popular application includes data for almost 20,000 hills in the UK and Ireland, plus over 90 lists including ... Munros and Munro Tops, Corbetts, Grahams, Donalds, Furths, Marilyns, Wainwrights and Outlying Fells, Birketts, all County Tops and many more. Almost an entire lifetime of hill walking. If you run out, please let me know! FEATURES - Choose the lists you would like to complete, and view counts per list (hills completed, total and percentage) - View each list on a map, and animate your journey in the order climbed - Sort lists by section/book number/region, name, height, distance, date climbed or ascents - Add your own lists based on region, drop, height ... etc - View all ascents in the app, sorted by date climbed - View all hills in the app sorted alphabetically, by distance from your default location, section, height ... etc - Track completed hills by ticking those you have climbed, adding the date and any notes for each ascent - Supports multiple ascents (per hill) and multiple rounds (of lists) - See route information for popular hills, provided via external links to the Walk Highlands and MountainViews websites - View up-to-date weather information for selected regions in Scotland, Wales and England, provided by the Mountain Weather Information Service (MWIS) website - Share your location by email or SMS/text when you get to the top of each hill - See statistics of your ascents, e.g. a breakdown per month or by year, plus a list of most frequently climbed hills - Browse nearby hills on a map - Set your default location by searching for places or postcodes - Backup your data and sync it between devices using iCloud, Dropbox, AirDrop or email - Universal app, works on the iPhone, iPod Touch and iPad DATA, ROUTES AND WEATHER The data for the UK and Ireland has been extracted from version 18.4 of the Database of British and Irish Hills (DoBIH), with kind permission from Chris Crocker and Alan Dawson. Route information for the Munros, Corbetts, most of the Grahams, Donalds, Wainwrights, Hewitts and most of the Trail 100 is provided via external links to the Walk Highlands website. Route information for all the lists in Ireland is provided via external links to the MountainViews website. Weather information for Scotland, England and Wales is provided by the MWIS website. SUPPORT Please use the link to my support page from the App Store page or from the app itself (or simply go to http://grahamhaley.co.uk/hills/). Alternatively, contact me directly via my support pages and you will get a quick response.

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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
Zustand
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BUILD KIT DIFFICULTY
Intermediate

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.