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.
the digital pan mobile app is the only steelpan app that is officially and exclusively endorsed by the world governing body for the steelpan - pan trinbago
$9.99 · 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.
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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.
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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Digital Pan: map the core Music workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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: Limited song library compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No offline access to lessons
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase process can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of community features for users
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.
the digital pan mobile app is the only steelpan app that is officially and exclusively endorsed by the world governing body for the steelpan - pan trinbago. the app allows users to practice and develop their skills for not just one specific pan, but the entire range of the steelpan family. this includes: tenor high c, tenor low c, double tenor, double seconds, double guitar, triple cello, four cello, tenor bass, six bass and a children's steelpan. the app offers the opportunity to experience the diverse richness of the national instrument of trinidad and tobago and the only percussive instrument created in the 20th century. in addition to which, it acts as a teaching aid by increasing the capabilities of users which adds to the potential of obtaining different opportunities. the digital pan app features: • lock: this icon allows users to freely play the pan while all other icons are locked as to prevent accidentally touching another icon. • full steelpan range: access to the entire range of the steelpan family, including the tenor high c, tenor low c, double tenor, double seconds, double guitar, triple cello, four cello, tenor bass, six bass and a junior steelpan. • piano: in addition to the range of the steelpan family, there is a piano which has the notes accessible to broaden the learning experience. • high quality sound: all steelpan notes were recorded directly off the gillpans masters series and digitally mastered. • recordings: users can record and replay pieces that they created. also, users can select all the previous recordings and play them all at once or one by one. • tutorial: there are videos available for users to view which demonstrates the app in use. • teaching aid: the notes on the steelpan and the piano can be toggled on/off to act as a teaching aid. • multitouch: traditionally, steelpan players use 2 or 4 sticks when playing the various pans. however, the advantage of the app is now you have 10 fingers that can be easily used to play the steelpans. • rotation & placement: all pans on the app can be rotated and moved to suit to the users’ preference. • colour: the app allows users to change the colour of the junior pan only to the variety of fun colours available. • help screen: screenshots with explanation a breakdown of all the functions the app possesses. • main menu: layout of / link to history, description of each pan, about db and availability to share the app via social media. the digital pan app is the first of its kind and is entirely "made in trinidad and tobago". some noteworthy achievements so far have been: • winner of service exporter of the year 2012 from the ttcsi • the only steelpan app that has been officially and exclusively endorsed by the world governing body for steelpan - pan trinbago • digital pan was used to play the national anthem of trinidad and tobago at the opening of all panorama 2013 events • featured in machel montano video "gold" launched in november 2012 ___________________________________ about digital business ltd ___________________________________ digital business is a leading caribbean management and technology consulting company committed to helping companies create knowledge and deliver innovation. our team of experienced consultants offers breakthrough e-business, knowledge management and consulting services solutions that allows governments, leading organizations and small and medium-sized enterprises to create, share and apply knowledge that helps them to deliver innovation and transform their business. in a commitment to create, share and apply knowledge with innovation intrinsic to the core of their business, digital business has used ingenious thinking and collaborative team work to build their very own mobile applications. now users can enjoy more ground-breaking innovations.
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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.