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
Achilleus 3D Tactical Map
EXCLUSIVE DISCOUNT 30% OFF FOR A LIMITED TIME!!
$14.99 · In-app purchases
PRICE
$14.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.5
4 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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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.
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 Achilleus 3D Tactical Map: 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
Enhance with offline maps and real-time traffic overlay.
Assumption to check: Limited map features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Focus on user feedback to improve UI/UX.
Assumption to check: Poor user reviews with low ratings
Validate with people who use this workflow before building.
Hypothesis 3
Integrate TTS voice guidance for turn-by-turn navigation.
Assumption to check: Lack of voice navigation
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a freemium model to attract users.
Assumption to check: High price point without clear value
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
EXCLUSIVE DISCOUNT 30% OFF FOR A LIMITED TIME!! *** Achilleus 3D is under active development and will have new features and improvements in the future. *** Professional 3D Tactical Mapping for Military Operations • Elevate your tactical planning and navigation with the most advanced 3D terrain visualization and military-grade GPS navigation app. Designed for military professionals, first responders, and tactical teams who demand precision and reliability. ADVANCED TACTICAL MAPPING • 3D Terrain Maps - Lifelike topographic visualization with elevation data for precise mission planning • Offline Maps - Download and cache multiple map sources including satellite imagery for remote operations • Military Grid Systems - Full support for MGRS, USNG, UTM, and British National Grid coordinates • Multiple Map Sources - Virtual Earth, Google Satellite, OpenTopo, OpenStreetMap, ArcGIS, and Nokia maps • Import and export KML/KMZ and GPX files. MISSION-CRITICAL TOOLS • Waypoint Navigation - Create unlimited GPS waypoints with military-standard accuracy • Drawing Tools - Add tactical lines, polygons, and circles to visualize areas of interest • Distance & Bearing - Measure in both degrees and mils for artillery and navigation calculations • Real-time GPS - Precise coordinate display with multiple datum support TACTICAL COMMUNICATION • Network Sharing - Share live map status and markers over TCP/IP networks without external servers • Team Chat - Built-in communication system for coordinated operations • Real-time Monitoring - Track team member positions and activities on shared tactical maps PROFESSIONAL FEATURES • MIL-STD-2525D Symbology - Standard military symbols for tactical operations • Solar/Lunar Data - Complete astronomical information for mission timing • Secure & Encrypted - Military-grade data protection • One-hand Operation - Intuitive interface designed for field use Perfect for: • Military personnel and tactical units • Search and rescue operations • Law enforcement agencies • Emergency response teams • Outdoor professionals requiring precision navigation Transform your tactical operations with professional-grade mapping technology. Download now and experience the difference precision makes in the field.
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
react-navigation
@react-native-maps
axios
redux
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.
