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
Blood Sugar Tracker-AI Health
In today's world, good health is the most important asset in life, so we must always pay attention to our health.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.2
116 ratings · Below Average
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 included18 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 Blood Sugar Tracker-AI Health: map the core Reference 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
Enhance with more detailed analytics and personalized recommendations.
Assumption to check: Limited insights and data analysis features.
Validate with people who use this workflow before building.
Hypothesis 2
Focus on modern design trends and user-friendly interfaces.
Assumption to check: Basic UI/UX design not visually appealing.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the subscription flow and provide clearer information.
Assumption to check: In-app purchase process can be confusing.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce community features for user engagement and support.
Assumption to check: Lack of community or support features.
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
In today's world, good health is the most important asset in life, so we must always pay attention to our health. The Blood Glucose Tracker - AI Health helps everyone record their blood sugar levels and generate statistics and summaries. After measuring your blood sugar in daily life, users can input the results into our application. Rest assured, we will only use your data for statistical purposes and will protect user privacy. Good health is the prerequisite for everything. Features: 1. Supports multiple languages, serving users worldwide 2. Supports blood sugar data entry 3. Popularizes blood sugar-related knowledge 4. Health data privacy and security Privacy Policy: https://eamv.firstbloodsugar.com/privacyPolicy.html Terms of Service: https://eamv.firstbloodsugar.com/termsOfService.html Purchase & Subscription If you want to unlock premium features, you can purchase a subscription service within the app: $0.99 per week, $9.99 per month, or $49.99 per year. Regular automatic renewal is available, renewing weekly/monthly/yearly. Disclaimer This application aims to provide users with everyday health services such as blood glucose data recording and blood glucose knowledge. Please note that all content provided in this application does not constitute any medical diagnosis, treatment plan, or health guidance advice, nor can it replace the diagnosis, treatment, and advice of a professional physician or other healthcare professional. If you use any services other than those provided in this application, please consult a professional physician and follow their advice before making any medical decisions.
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
Supabase
React Query
react-native-chart-kit
Zustand
BUILD KIT DIFFICULTY
Intermediate
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.
