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.
App Overview
Peakist
Peakist is an app to help hikers keep track of visits to various peaks aka 'Peak Bagging'
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 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.
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
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Peakist: map the core Travel 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
Offer more destinations and detailed itineraries.
Assumption to check: Limited destination variety and content
Validate with people who use this workflow before building.
Hypothesis 2
Provide more free features to enhance user experience.
Assumption to check: In-app purchase limitations for premium features
Validate with people who use this workflow before building.
Hypothesis 3
Simplify UI elements for better usability.
Assumption to check: User interface may feel cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate social sharing options for users to share their trips.
Assumption to check: Lack of social sharing 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
Peakist is an app to help hikers keep track of visits to various peaks aka 'Peak Bagging'. There are many peaks to see and lists to track. Peakist helps you keep a record of where you went and when. Track your goals and plan your next hike. Track hiking goals and list completions. Visit information synced across platforms via iCloud. Follow your progress on iPhone, iPad and Mac. See the 10 day weather forecast before you head out. Save photos to document your adventures. Quickly get directions to trailheads or parking areas. Export GPS coordinates or GPX files for any location. Includes the following lists: - Adirondack 46ers: Peaks over 4,000' in the Adirondack Mountains - Adirondack Fire Towers: Fire Towers of the Adirondack Mountains - Catskill 100: The 100 highest peaks in the Catskills - Catskill 3500: Mountains over 3,500' in the Catskills of New York - Catskill Fire Towers: Fire Towers of the Catskills - Catskill Waterfalls - Saranac Lake 6ers: Six scenic hikes in and around Saranac Lake, New York - New Hampshire 48: The 48 highest peaks in the White Mountains of New Hampshire - Vermont 5: Vermont peaks over 4,000 feet - Lake Placid 9 - Tupper Lake Triad - Fulton Chain Trifecta - Lake George 12ster - New England 111 - New England One Hundred Highest - US High Points - NY Downstate 28ers - NY Downstate Fire Lookouts - Taconic 12ers - And many more... Additional Lists and Locations coming in future releases! Your data remains your business. We don't track or store your data. Easily export your visit data in multiple formats.
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
Supabase
react-navigation
axios
react-native-image-picker
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.
