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
Work Diary Pro
***** "An easy to use work diary is essential for my job planning
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
31 ratings · Top 15%
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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A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
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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
***** "An easy to use work diary is essential for my job planning. This one ticks all the right boxes!" - OIMDr ***** "Excellent app, easily configured and with comprehensive records & reports." - RobJ-UK Work Diary Pro is an amazing new App, ideal for logging, planning, and/or reporting your day-to-day work activities. It lets you spend more time doing your work, and less time on the admin. It is the advanced version of Work Diary - see details below. (If required, you can transfer your data from Work Diary). The key features of the app are: - Can be used as a diary, calendar, planner, tracker, time management tool and/or timesheet generator. - Is suitable for any type of work/business. - Caters for all conceivable working patterns, including shift work, overtime and on-call duty. - Includes powerful reporting features, producing a wide variety of printable and spreadsheet reports, detailing your work. You can email these wherever you want them to go. - Contains no Ads or In-App Purchases. As well as having all of the great features of Work Diary, it also has the following powerful features: - Templates: Enter details of your regular working patterns into a Template. The Template can then be used again and again to record your work activities in one simple step. A great time-saver! - Additional Work Data: - Overtime (premium) hours - On-Call work - Work Sessions (blocks of hours) - Advanced Reporting: - Report Definitions, each containing different report parameters. These can be used again and again. Another great time-saver! - Quick Report feature - Additional Report Data: - Daily and weekly averages and percentages - Filters - ie. only report on a specific Work Category or Location, for example - Groupings - summarises data for each Work Category and Location, for example - Work Categories list - Can use a Code to define each Work Category as well as a Name - There are Main Work Categories, each having a number of Sub Work Categories - Locations list - There are Main Locations, each having a number of Sub Locations
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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.
