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.
Now includes the Official UK Police and Fire Service tests for accurate training and testing.
$1.99 · 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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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.
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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Bleep Test Solo: map the core Health & Fitness 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 audio options for beep sounds
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No progress tracking over time
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No integration with health tracking apps
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.
Now includes the Official UK Police and Fire Service tests for accurate training and testing. Thank you to all our users for making Bleep Test Solo the most popular bleep test app on the UK and Australian app stores! (Health and Fitness popularity ranking) Bleep Test Solo is from the developers of the original Team Bleep Test software for PC which was first released in 2004 and is now used by premier national league teams for many sports around the world. APP STORE REVIEWS A selection of app store reviews from our range of bleep test apps: 4/5 - "Great little app for the price. Am in the british armed forces and wanted a reliable and accurate bleep test trainer. Tried and compared it today (uk and australian version only) against an official bleep test cd and it's exactly the same. Sweet!!!!!" by Fishnavy 5/5 - "I'm a x-country runner and it is pretty good for your stamina and sprint finish … well done great app" by Gaganster 5/5 - "… contains all the required tests and works really well" by Martin Thomas OVERVIEW Bleep Test Solo allows you to run any type of Multi-Stage Fitness Test (MSFT) for any sport, record scores for up to 40 player profiles and view previous scores on a graph to track your fitness with ease. INCLUDED TESTS ‣ Standard Bleep Test - The original bleep test/MSFT, defined by Luc Léger in 1984. ‣ UK Police Official Test - Used as part of the Police Service recruitment process in the UK. ‣ UK Fire Service Official Test - Used as part of the Fire Service recruitment process in the UK. ‣ UK & Australian Bleep Test - Most popular bleep test in Australia and the UK. ‣ Yo-Yo Intermittent Recovery (IRTL) Levels 1/2. ‣ Yo-Yo Intermittent Endurance (IETL) Levels 1/2. ‣ Or use the powerful script feature to create your own bleep test. NOTE: We have worked hard to compare and match the bleep tests in our apps with official bleep test CDs to ensure their accuracy. FEATURES ‣ Run a bleep test anywhere, without having to carry around a CD player. ‣ Choose from a selection of bleep tests including the standard 20m Bleep Test, Yo-Yo Intermittent Recovery, Yo-Yo Endurance and the official tests used by UK Police & Fire Services. ‣ Create your own custom bleep test using the scripts tab and run any type of bleep test designed for any sport. ‣ View test progression as a running man on screen. ‣ Real time display of VO2 Max, total distance, total laps, current stage and stage laps during a test. ‣ Record test scores to keep track of your fitness. ‣ Save scores for up to 40 player profiles. ‣ View past scores (Stage and level, VO2 Max and total distance) on a graph for all player profiles or highlight a single profile to show detailed score information. ‣ Export past scores to a spreadsheet and view on a PC. ‣ Optional voice announcement of stage number when moving to the next stage. ‣ Optional vibrate on bleep for running with iPhone in your pocket. ‣ Bleeps also play when device is locked and/or muted. ‣ Bluetooth speakers supported. BLEEP TIMING Accurate timing when running the bleep test is vital to get an accurate assessment of individual player fitness. We guarantee the timing of the bleeps on our range of bleep test apps are correct to 1/100th of a second compared with the corresponding official soundtrack (as tested on iPhone and iPod Touch devices). Copyright: Original PC software, V1 2004 - Running Man Graphic for MSFT, V2 2006 - Team Statistics Graph and Player Highlight, V3 2007 - MSFT Scripts/Custom Fitness Tests, © Bitworks Design
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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.