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
iAmino - Amino Acids
iAmino has been lovingly designed to help you learn and look up the most important facts about the protoinogetic amino acids.
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.0
1 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 included17 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 iAmino - Amino Acids: map the core Medical 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
Provide detailed, cross-referenced information with links to studies.
Assumption to check: Limited information about amino acids compared to comprehensive databases
Validate with people who use this workflow before building.
Hypothesis 2
Enhance UI with modern design elements and intuitive navigation.
Assumption to check: Poor user interface and experience
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate discussion forums or comment sections for each amino acid.
Assumption to check: Lack of community features for user engagement
Validate with people who use this workflow before building.
Hypothesis 4
Offer more free content or a freemium model to attract users.
Assumption to check: High price with limited free content
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
iAmino has been lovingly designed to help you learn and look up the most important facts about the protoinogetic amino acids. iAmino helps you study protein building blocks and master the facts - all in one place. Runs on iPhone, iPad and Mac (silicone). With a beautiful night mode. We've built the app from the ground up and added a learning mode to help you memorize the facts. A direct link to Wikipedia is included in each fact sheet in case you need more details. If you wish, you can change the display language of iAmino to one of the supported languages (currently English, German, French, Chinese, Spanish). iAmino helps you to master the different amino acids. - Chemical structures (wedge line and valence structure formula) - Three-letter code - One-letter code - Polarity - Acidity - Isoelectric point - pK values - Hydropathy index - Molar mass - Codons (including codon search) - Essentiality - Chemical formula - Remarks field
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
Axios
React Navigation
React Native Reanimated
BUILD KIT DIFFICULTY
Starter
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.
