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
LastPass Password Manager
Tired of forgetting passwords or resetting them constantly? Meet LastPass, the trusted password manager—used by millions of people and thousands of businesses—to keep passwords and other account info safe, secure, and...
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.4
57,366 ratings · Top 30%
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 LastPass Password Manager: map the core Productivity workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Tired of forgetting passwords or resetting them constantly? Meet LastPass, the trusted password manager—used by millions of people and thousands of businesses—to keep passwords and other account info safe, secure, and always within reach. With LastPass, you only need to remember one master password. We’ll handle the rest—autofilling logins, generating secure passwords, and syncing across all your devices. Whether you're browsing on your iPhone or logging into your favorite apps, LastPass makes it effortless. WHY MILLIONS TRUST LASTPASS - Secure Password Vault: Store all your passwords, passphrases, usernames, and payment methods in one encrypted place. - Autofill Made Easy: Instantly fill in login credentials on websites and in apps—no typing required. - One Master Password: Just remember one password—LastPass remembers the rest. - More Than Passwords: Securely store credit cards, insurance info, social security numbers, and private notes. - Share Securely: Share passwords safely with family, friends, or coworkers. - Built-In Password Generator: Create strong, unique passwords and passphrases in a single tap. - Multi-Factor Authentication (MFA): Add an extra layer of protection to your password app. GO PREMIUM FOR MORE POWER Try LastPass Premium free for 30 days and unlock: - Unlimited device access across all platforms - Access on Chrome, Safari, and other browser extensions - Unlimited sharing of passwords and notes - 1GB of encrypted file storage - Advanced MFA options like YubiKey - Emergency access for trusted contacts - Priority customer support BUILT FOR SECURITY Your data is encrypted with bank-grade AES-256 encryption—only you can unlock your vault. Even we can’t access it. RECOGNIZED. RESPECTED. RECOMMENDED. There’s a reason LastPass is trusted by millions and featured in top publications like Forbes, PCMag, TechRadar, and ZDNet. We consistently lead the way in ease of use and customer support, earning top ratings on platforms like G2. When it comes to password managers, users and experts agree—LastPass delivers. DOWNLOAD LASTPASS TODAY Start using the smarter, safer way to manage your passwords and passkeys. Terms of Service: https://www.lastpass.com/legal-center/terms-of-service/
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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 onboarding process with guided tutorials.
Assumption to check: Users often find password managers too complex to set up.
Validate with people who use this workflow before building.
Hypothesis 2
Implement reliable cloud sync with error handling.
Assumption to check: Syncing issues across devices.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to add custom notes and tags.
Assumption to check: Limited customization options for password entries.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance security features like two-factor authentication and biometric login.
Assumption to check: Security concerns about storing passwords in one app.
Validate with people who use this workflow before building.
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
React Navigation
AsyncStorage
SecureStore
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.
