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.
oneSafe provides advanced security for your passwords with features like Touch and Face ID, auto-lock, decoy safe, intrusion detection, self-destruct mode and double protection for your most sensitive data.
$4.99 · 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 oneSafe+ 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 struggle with password retrieval if they forget the master password
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited categorization options for entries
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Some users feel the UI is cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No option for biometric login on some devices
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.
oneSafe provides advanced security for your passwords with features like Touch and Face ID, auto-lock, decoy safe, intrusion detection, self-destruct mode and double protection for your most sensitive data. NEW! oneSafe+ now supports Dark Mode, Siri shortcuts, an Apple Watch app, iOS universal (super fast) search in Spotlight, and many other iOS 13 improvements. You can even sync your secured info across various devices via iCloud Drive, CloudKit or Dropbox to have your passwords available whenever and wherever you need them. oneSafe protects your confidential information with AES-256 encryption; the highest level of encryption on mobile devices. Passwords, documents, photos, credit card numbers, bank account details, PIN codes and much more can all be locked away securely inside your safe – and at the same time be accessible whenever you need them. Plus, oneSafe adapts to your preferences allowing you to change the colors and images of your safe for maximum customization. > THEY LOVE oneSafe • Apple Editor's Choice, best new app in 80 countries! • "oneSafe has cuter graphics than its rivals" [New York Times] • "Even though oneSafe is incredibly powerful, it remains incredibly user-friendly." [iMore] • "Listed in top password managers" [Cnet] • "oneSafe is well built, robust, and easy to use" [Marco Tabini] • "If you want to protect and secure your data like Fort Knox, oneSafe is your solution." [AppDictions.com] oneSafe is ultra secure, easy to use and provides an unequaled user experience. Keep all your confidential information secure and easily accessible when you need it – with oneSafe! > SECURITY first oneSafe incorporates the strongest encryption algorithm available on mobile devices (AES-256). All your data is automatically encrypted as soon as it's stored in the app, even the synched content. oneSafe also makes your entry password unhackable by using encryption standards involving extremely complex calculations. In addition, oneSafe comes with numerous advanced security options allowing you to manage your level of security: double-protection categories, auto-lock feature, password generator, decoy safe, self-destruct option, break-in attempts monitoring and a password change reminder. > SYNC your content, the way you want • You control at all times which categories are synched and which are not. • Your info is synched via iCloud or Dropbox. Before being sent to the server it’s encrypted with AES-256 for the maximum possible level of security. • You don't want to use the cloud? Choose the manual sync option! > FEATURES that will make your life easier • Password safety analysis. • iOS universal search in Spotlight. • Large step-by-step password reader. • Integration with Withings watch, securing oneSafe based on the watch's distance from your iPhone or iPad. • Create, browse and edit your items super easily. • Adapt your safe with customizable categories to keep all your information well organized. • Use ready-made templates to quickly and easily enter your data. • Take advantage of the ultra-secure built-in browser with auto-fill feature to access websites quickly and securely. • Back up your data (via email, iTunes or Wi-Fi) to be sure you’ll always have a copy in storage. • Change the texture, icon and color for any of your items. • Flag items as 'Favorites' for quick access to your most commonly used information. • Use the ‘Search’ feature to find items quickly within your database. • Sync the contents of your safe between your devices using iCloud (iCloud Drive or CloudKit), and/or Dropbox. • Use the bullet-proof "Secure sharing" feature to share your confidential data with your family, friends or colleagues. Store in complete security: • Credit card numbers • PIN codes and entry codes • Social security and tax numbers • Bank account details • Usernames and passwords • Documents in PDF, Word, Excel and more • Private photos and videos
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.