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
Robyn: Talk, Feel, Grow
Meet Robyn: your emotionally intelligent partner.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
167 ratings · Top 5%
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 included16 files
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Robyn: Talk, Feel, Grow: map the core Lifestyle workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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.
Hypothesis 1
Incorporate visual progress tracking through graphs.
Assumption to check: Users find it hard to track progress over time.
Validate with people who use this workflow before building.
Hypothesis 2
Regularly update resources and activities.
Assumption to check: Limited content variety can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a chat feature for users.
Assumption to check: Users may feel isolated without community interaction.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the subscription model and enhance visibility of benefits.
Assumption to check: Subscription options are unclear.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Meet Robyn: your emotionally intelligent partner. Part mirror. Part guide. Pure magic. For the emotions that don't come with instructions, Robyn helps you feel more deeply, grow more intentionally, and unlock yourself, so you can connect more fully with the world around you. What Robyn Unlocks Talk it out: Robyn actually gets it. It’ll be the most emotionally intelligent conversation you've ever had. No judgment. Just truth. - Robyn Remembers: never repeat yourself. Robyn remembers the important things—because you deserve to be unforgettable. - Make better decisions: Robyn will show you the patterns shaping your life so you can make more intentional choices. - Unlock your emotional DNA: See what makes you, you. Robyn grows with you. As you change, Robyn evolves with you and shows you the energy shaping your life at every moment. Why People Choose Robyn - No judgment, ever. Just empathy, space, and support - Human-first: built to see and understand you. - Privacy without compromise: your thoughts are yours. Always. Join thousands of others choosing emotional clarity over chaos. Meet Robyn. Disclaimer: Robyn is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making changes based on insights or information in the app. If you are experiencing an emergency, call 911 or go to the nearest emergency room. We use Apple's EULA, available here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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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
React Native
Expo
Zustand
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@react-native-async-storage/async-storage
react-query
BUILD KIT DIFFICULTY
Advanced
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.
