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.
NRG Alignment Viewer is a Civil Engineering tool that allows the display of Geometric alignments, lines, points, cross sections, and the creation of photos watermarked with chainage / station and offset.
$16.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
Kit ready. Verify your email to download it.
Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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.
JavaScript is required to complete mailbox verification.
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Alignment Viewer: map the core Navigation workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
Preview ready. Verify your email to reveal and copy the full prompt.
JavaScript is required to complete mailbox verification. Return to this prompt preview.
Affiliate link: CloneChart may earn a commission at no extra cost
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
Assumption to check: Users report difficulty in saving alignments accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited offline functionality.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: The app can be slow with large datasets.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface is not very engaging.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
NRG Alignment Viewer is a Civil Engineering tool that allows the display of Geometric alignments, lines, points, cross sections, and the creation of photos watermarked with chainage / station and offset. Designed to assist highway and railway construction/maintenance the NRG Alignment Viewer allows the conversion between Geodetic WGS84/ETRS89 World coordinates (Latitude Longitude) to Cartesian Easting Northing and Geometric Alignment coordinates based on a given transformation. By default Alignment Viewer supports hundreds of different coordinate transformations and allows users to load custom transformations. **Geometric Alignments** Alignments can be loaded by the following methods: Loading an NRG Alignment file(.nst). Importing a LandXML file (.xml) to NRG Alignment file. NRG Alignment Viewer provides support for Geometric Alignments incorporating Curves, Spirals, Clothoids, Parabolas and Straights. Provides support for Alignments using Chainage/Station/Meterage and Offset. **Geometric Pins/Points** Allows the import of pins from Google earth files (.kml), NRG Pin files (.gpf) and ASCII/CVS files (.txt). Pins can be manually placed based on Geodetic, Cartesian EN or Geometric Alignment coordinates. Allows for editing of imported pins. Allows for the export of new Pin files(.kml, .gpf or .txt). **Geometric Lines** Lines can be imported from Google Earth files (.kml). Lines can be loaded to the map, loaded to the cross section or loaded to both. Cross section display colour can be selected for each line file. Provides support for loading multiple line files at once. **Watermarked Photos** Photos can be taken which will then be watermarked with the coordinates of the current location. Watermark coordinates can be displayed in Chainage/Station and offset, Cartesian East North or Latitude Longitude depending on user preference. **Cross sections** Allows the creation of a cross section perpendicular to a given geometric alignment. Cross section can be updated in real-time (Track mode) or on demand (Search mode). Cross section mode supports pausing updates, locking scale / transformation and importing ground elevation data. **Landscape mode** Perfect for placing on your vehicle dashboard NRG Alignment Viewer landscape mode provides clear and real-time updates to the device position in terms of WGS84, Cartesian EN and Geometric Alignments (Chainage/Station/Meterage) coordinates. NRG Alignment Viewer provides many user defined preferences to customise your use of our tool. **Geometric Alignment Configuration Options** Offset display format: -/+ or Left/Right. Alignment distance: Change/Station/Meterage. Alignment format: 10000/10+000. Decimal places display for Alignment/EN. **Map Configuration Options** Enable / Disable real-time map scrolling. Street, Satellite and Hybrid map types. Enable / Disable centre point Crosshair. Enable / Disable distance scale bar. Select scale bar unit of measurement: Imperial/Metric. **Cross Section Configuration Options** Cross section centre Mid-Point or user defined Offset. User defined scale section / Cross section distance. Vertical Exaggeration. Google Elevation segments distance. Enable / Disable Scale bars. **Manual** NRG Alignment Viewer manual can be found at: http://www.nrgsurveys.co.uk/downloads/alignmentviewer.pdf It is strongly recommended that new users view the manual to make full use of the NRG Alignment Viewer.
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.