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
Trust: Crypto & Bitcoin Wallet
A Wallet You Can Trust — Now Lets You Earn On Your Stablecoins
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
198,993 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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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/
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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 Trust: Crypto & Bitcoin Wallet: map the core Finance 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
Simplify the user experience by providing guided setups and tutorials.
Assumption to check: Complexity of managing multiple cryptocurrencies
Validate with people who use this workflow before building.
Hypothesis 2
Offer lower fees or a fee calculator to show savings.
Assumption to check: High fees for transactions
Validate with people who use this workflow before building.
Hypothesis 3
Implement a chatbot or instant messaging support feature.
Assumption to check: Slow customer support response
Validate with people who use this workflow before building.
Hypothesis 4
Integrate a learning section with articles and videos on cryptocurrencies.
Assumption to check: Lack of educational resources
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
A Wallet You Can Trust — Now Lets You Earn On Your Stablecoins Grow your crypto securely with the newest feature from Trust Wallet: Stablecoin Earn. Start earning daily rewards on stablecoins like USDT, USDC, DAI, and USDA — directly in the wallet trusted by over 200 million users. What's New - Stablecoin Earn – Put your stablecoins such as USDT, USDC, USDA, and DAI to work using transparent, self-custodial, onchain protocols. - Earn competitive, real-time rewards. Withdraw anytime. Keep full control. - Available now in the latest version of Trust Wallet. Trust Wallet – Your All-in-One Web3 Wallet Trust Wallet is a secure multi-chain self-custody wallet and your gateway to 10+ million digital assets, NFTs, and thousands of Web3 dApps. Secure and Private - You control your private keys, stored safely on your device and encrypted using AES. - No one can freeze or access your funds. - No personal data collected. Massive Multi-Chain Support - Supports 100+ blockchains and 10+ million assets: BTC, ETH, SOL, USDT, USDC, XRP, ADA, SUI, ADA, AVAX, TRUMP, TRON, PEPE and more. - Manage NFTs across chains, all in one place. New to Crypto? Power User? Both Welcome. - Use integrations like Coinbase Pay and Binance Pay for easy crypto deposits. Tap into our dApp Browser with smart network auto-detect. File crypto taxes easily with optional in-app tax reporting tools. Add custom tokens, watch addresses, and adjust RPC nodes. Explore Web3 with Confidence Connect to DeFi, NFT marketplaces, Web3 games, and the metaverse — all securely through Trust Wallet. Use Trust Wallet Anywhere — Mobile & Desktop Explore Web3 and manage your assets seamlessly across devices. Already have the desktop extension? Import your wallet and pick up where you left off. Join 200M+ Users Today Whether you're storing Bitcoin, managing NFTs, or earning with stablecoins — Trust Wallet gives you full control. Download now and unlock the full power of Web3. Have feedback or need support? Visit our support section: support.trustwallet.com. Follow us on Twitter: @TrustWallet
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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-navigation
@supabase/supabase-js
react-native-reanimated
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.
