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
Piping
Piping App is an excellent handy tool for Piping Engineers, Designers, Mechanical Engineers, Pipe Fabricators, Pipe Fitters, Pipe Inspectors, Purchasers, Sales and Engineering Students
$9.99
PRICE
$9.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.0
1 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 included
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Piping App is an excellent handy tool for Piping Engineers, Designers, Mechanical Engineers, Pipe Fabricators, Pipe Fitters, Pipe Inspectors, Purchasers, Sales and Engineering Students. It can help user quick easy obtain the dimensions, tolerances, weights, volumes, surface areas, PT-Ratings and other piping design information, increase efficiency and lightens the burden of looking up piping information. Piping App provides all dimension, tolerance and PT-Rating data for piping components compliant with ASME, API, EN and JIS relevant Standard. Display unit can be set to Metric and US Customary for ASME and API piping components. Now it contains: --ASME-- ● Pipe - ASME B36.10M - ASME B36.19M ● Fitting - ASME B16.9 - ASME B16.11 ● Flange - ASME B16.5 - ASME B16.47 - ASME B16.36 - ASME B16.24 - ASME B16.1 ● Gasket - ASME B16.20 - ASME B16.21 ● Line Blank - ASME B16.48 --API-- ● Flange - API Specification 6A ● Gasket - API Specification 6A --EN-- ● Pipe - EN 10220 - EN ISO 1127 ● Fitting - EN 10253-1 - EN 10253-2 - EN 10253-3 - EN 10253-4 ● Flange - EN 1092-1 - EN 1092-2 - EN 1092-3 - EN 1092-4 ● Gasket - EN 1514-1 - EN 1514-2 - EN 1514-3 - EN 1514-4 - EN 1514-6 - EN 1514-7 - EN 1514-8 --JIS-- ● Pipe - JIS G3452 - JIS G3454 - JIS G3455 - JIS G3456 - JIS G3457 - JIS G3458 - JIS G3459 - JIS G3468 ● Fitting - JIS B2302 - JIS B2311 - JIS B2312 - JIS B2313 - JIS B2316 ● Flange - JIS B2220 - JIS B2239 - JIS B2240 - JIS B2241 ● Gasket - JIS B2404 Piping App provides extra high quality drawing for all piping component complaint with above standard. User interface is very friendly with adding the gesture and animation. Main user interface is presented group by standard system for easy access to each page by sliding the screen. Piping App is continually updated to remain compliant with changes in each piping standard, more data and functions relevant piping will be added to this app in the future.
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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.
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
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
