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.
STREAKS
$5.99 · In-app purchases
Evidence scope: #53 is the current overall US Paid chart position. 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 Streaks: 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: Users find it hard to remember to log habits daily.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited habit tracking features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of social features to encourage accountability.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No incentive system for completing habits.
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.
STREAKS. The to-do list that helps you form good habits. Apple Design Award winner. Track up to 24 tasks you want to complete each day. Your goal is to build a streak of consecutive days. * Tasks sync across all of your devices using iCloud * Share your tasks with other Streaks users so they can encourage you and keep your accountable * Streaks automatically knows when you complete tasks linked to the Health app, such as water tracking and caffeine tracking. * Streaks reminds you automatically when you need to complete a task * Record daily notes for your tasks * You can also create negative tasks to break bad habits * Create timed tasks to track mindfulness, brushing your teeth, or anything “I was smoking 15 cigarettes each day. Streaks helped me to quit smoking by reducing and then eliminating my daily use.” - Ben, Adelaide. Streaks is a highly customizable habit tracker, including: * Widgets for your phone's home screen * 78 different color themes * Over 600 task icons to choose from * Choose how often a task needs to be completed or repeated “I've now reduced my coffee intake by 70% with Streaks, something I struggled with for 5 years. It's a life changing app to me.” - Otávio, Chicago. * Includes one of the highest-praised Apple Watch apps, including Health app integration, complications, and rich notifications. * Support for Siri Shortcuts, iPad and iCloud * Today Widget allows you to quickly view and complete your tasks * View your current and best streak, and a whole range of other statistics Questions, suggestions or other feedback? Please email [email protected], or tweet us @TheStreaksApp. If you like Streaks, please leave us a review! Your reviews enable us to keep improving and updating the app. ABOUT APPLE WATCH: Streaks supports all Apple complication types. Note that the screenshots show Infograph faces, which are available only on Apple Watch Series 4 and newer. ABOUT HEALTH DATA: On supported devices, Streaks reads data from the Health app with your permission to determine completion of your tasks. All data is accessed in full accordance with the iOS app review rules set by Apple. Please read our privacy policy at https://streaks.app/privacy.html for more information on our use of data. Automatic step and distance data is only available automatically when using an iPhone 5S or newer, or using an accessory that writes to the Health app such as Apple Watch. If you have any questions, please contact [email protected]. -- STREAKS® is a registered trademark of Crunchy Bagel Pty Ltd.
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.