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.
• Manage your Passwords and Passkeys
$2.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Safe + 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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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
Assumption to check: Users often forget their master password, leading to loss of access.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in organizing large numbers of passwords.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inadequate security features for shared passwords.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited support for biometric authentication.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
• Manage your Passwords and Passkeys • AutoFill Passwords in Safari and Apps • Protect your Photos and Contacts • Safeguard your Videos* • Protect PDF, iWork and Office Documents* • Securely Sync your Data via WiFi • Login with Touch ID or Face ID • Two-Factor Authentication (2FA / TOTP) • Generate Strong Passwords • Encrypt Stored Data with AES-256 • Add Geofences to Items • Access Items Nearby from the Widget • Import Data from other Apps and Password Managers in CSV Format Nowadays we all need passwords, PINs and TANs for almost everything we do: online banking and shopping, social networking and logging in to your computer, mobile devices, Wi-Fi routers and e-mail accounts. Safe + helps you manage and organize your passwords and provides a mobile and secure place to keep them – at home, at work and on the move. When you’re traveling, Safe + stores your health insurance data, screenshots of travel documents and boarding passes, and images of your passport, ID and credit cards. Safe + is also a secure wallet for membership, debit and loyalty cards, even QR codes - all securely stored as images in one safe place. With the sophisticated features of Safe + all passwords, photos, videos*, documents* and contacts can be quickly and easily added and protected. All data is encrypted with 256-bit AES, so secure that even the NSA has certified this standard to secure the US government’s top-secret information. You couldn’t be safer than with Safe +. Your data is always protected - even if your iPhone or iPad is lost or stolen and the complexity of the algorithm used in Safe + ensures sophisticated protection against any attack. For easier data management and backup, try the separate but integrated Mac version of Safe + from the Mac App Store! Safe + was designed specifically for iPhone and iPad, making full use of the elegant iOS user interface. Easy access to your data is guaranteed anywhere and anytime – but only for you with a complex password or Touch / Face ID. Safe + allows you to perform a comprehensive range of tasks: ∙ Protect your sensitive data with your password and strong encryption ∙ Organize your data in as many folders as you want ∙ Use our handy templates for Credit cards Bank accounts User accounts Plain-text Images (from camera or photo library) Videos* Documents* Contacts or easily create your own custom forms ∙ Add comments to any item ∙ Change, move and sort folders and items in a simple way ∙ Launch Safari directly from web addresses stored in Safe + ∙ Make telephone calls on your iPhone directly from numbers stored in Safe + ∙ Create encrypted backups for data security and to transfer or sync across devices ∙ Restore encrypted backups to a new or replacement device * In-app purchase available for various document types. (Video, PDF, RTF, TXT, Pages, Numbers, Keynote, Word, Excel, PowerPoint)
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.