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
Wellify - Simplify Wellness
With Wellify, take control of your health in just a few taps
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
1,284 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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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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.
What's included19 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 Wellify - Simplify Wellness: 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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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
Integrate a comprehensive food database for better meal logging.
Assumption to check: Limited food database for nutrition tracking
Validate with people who use this workflow before building.
Hypothesis 2
Add social challenges and community features to engage users.
Assumption to check: Lack of social features for motivation
Validate with people who use this workflow before building.
Hypothesis 3
Offer detailed analytics and personalized insights based on user data.
Assumption to check: Basic analytics and insights
Validate with people who use this workflow before building.
Hypothesis 4
Implement reminders and notifications to keep users accountable.
Assumption to check: No reminders or notifications for wellness goals
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
With Wellify, take control of your health in just a few taps. Effortlessly monitor your heart rate and blood pressure for real-time insights into your well-being. Stay on top of your diet with instant sugar content analysis, helping you make smarter food choices every day. Powered by AI, Wellify simplifies health tracking and delivers personalized advice, so you can focus on living your best life. →DISCLAIMER: This app promotes fitness and health awareness for a balanced lifestyle, but it is not a replacement for professional medical advice, diagnosis, or treatment. YOUR PATH TO A HEALTHIER LIFE ◉ Measure——All at Your Fingertips 【Heart Rate Monitor】Stay connected to your heart’s rhythm with real-time monitoring of heart rate and Heart Rate Variability (HRV). Track trends, spot patterns, and discover how your body responds to stress and daily activities. *** Steps For Accurate Results: 1. Keep your phone steady and ensure you are relaxed. 2. Gently cover the back camera with your fingertip. 3. Remain still and avoid movement until the measurement is complete. ◉ Scan——Nutrition in a Snap 【Calorie Tracker】Effortlessly log your meals with smart food scanning and personalized meal plans. Stay on track with your health goals while enjoying a balanced, stress-free approach to nutrition. 【Smart Sugar Tracker】Take control of your diet with AI-powered sugar insights, helping you make smarter food choices, set personalized goals, and build healthier habits. You can enjoy a balanced lifestyle with confidence. ◉ Engage——Your Wellness Companion Dive into expert-curated health articles, unwind with guided meditation sessions, and chat with your AI health advisor for personalized, actionable tips. Whether it’s managing stress, building better habits, or staying motivated, this is your ultimate companion for a balanced, healthier lifestyle. ◉ Analyze——Smart Health Insights Track how dietary sugars relate to your lifestyle patterns. Understand how your activity, sleep, and stress levels may influence your overall wellbeing. This analysis is based on publicly available health data and is intended for general wellness support—not medical advice. [Sources] (https://www.southleytech.com/source-statement) UNLIMITED ACCESS TO ALL FEATURES 1. Payment will be charged to your iTunes Account upon purchase confirmation. 2. Manage your subscription and disable auto-renewal in Account Settings. 3. Turn off auto-renewal at least 24 hours before the current period ends to avoid charges. Terms of Service：https://www.southleytech.com/terms-of-service_wellify Privacy Policy：https://www.southleytech.com/privacy-policy_wellify
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
Supabase
react-native-reanimated
expo-haptics
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.
