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.
Surfshark is a VPN and online security app for iPhone, iPad, Apple TV, and Mac that helps everyday users browse privately, stay safe on public Wi-Fi, and reach the content they pay for while traveling
Free · 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 Surfshark VPN: Fast & Private: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Surfshark is a VPN and online security app for iPhone, iPad, Apple TV, and Mac that helps everyday users browse privately, stay safe on public Wi-Fi, and reach the content they pay for while traveling. One subscription covers unlimited devices. Encryption, ad blocking, and identity protection run quietly in the background — set it once and forget it. — WHY CHOOSE SURFSHARK — • Unlimited devices on one subscription — your iPhone, iPad, Apple TV, Mac, and everyone else at home • 4,500+ servers in 100+ locations, so you can change location and still get a fast connection • More than a VPN app: ad blocker, data leak monitoring and personal data masking included • Built for people who are not tech experts — one tap connects you, no setup to learn • No-logs policy: Surfshark doesn't monitor, track, or store what you do online — PRIVACY AND SECURITY THAT RUNS ITSELF — • VPN encryption hides your traffic and IP address from your internet provider, network owners, and trackers • Wi-Fi security on hotel, airport, and cafe networks, so checking your email or bank on public Wi-Fi stays private • Ad blocker stops ads and trackers, so pages load faster and fewer companies profile you • Data leak monitoring warns you if your email, ID or card details turn up in a breach, while there's still time to act • Personal data masking and phone number masking let you sign up with stand-in details, keeping your real inbox and number out of company databases • Text message protection filter scam texts before they reach you • Email scam checker flags phishing attempts you might otherwise open • Identity theft coverage helps you recover if the worst happens — SPEED, STREAMING, AND TRAVEL — • A fast VPN built on post-quantum WireGuard and our own protocol, tuned for HD streaming and video calls • Connect to servers in the USA, UK, Japan, Canada, and 100+ locations to reach home content while abroad • Everlink reconnects you automatically if your connection drops, so protection doesn't quietly lapse • Unlimited bandwidth, no data caps, no speed throttling • For the tinkerers: Multi Hop, rotating IP, and dedicated IP — QUESTIONS PEOPLE ASK — Is Surfshark a good VPN for iPhone in 2026? Yes. It runs natively on iPhone, iPad, Apple TV, and Mac, connects in one tap, and covers unlimited devices on a single plan. What privacy and security features does Surfshark include? Surfshark pairs a no-logs VPN with ad blocker, data leak monitoring, personal data masking, and scam protection. Most VPN apps stop at the VPN. Can I change my location to the USA or another country? Yes. Pick from 100+ locations, including fast US servers, and get a new IP address in seconds. Is it good for streaming while traveling? Yes. Connect to a server back home and keep watching your usual streaming platforms at full speed. Does one subscription cover my whole family? Yes. Unlimited devices means one plan protects every iPhone, iPad, Apple TV, and Mac in the house — real value, not a per-device bill. WORKS ON: iPhone, iPad, Apple TV, and Mac. Backed by 24/7 human support over live chat and a 30-day money-back guarantee. Manage or cancel your subscription anytime in your App Store settings. Take back your privacy. Download Surfshark and connect in one tap. AUTO SUBSCRIPTION RENEWAL: • Surfshark is a paid VPN service, so you need a subscription to use it. • You will be billed through your Apple ID Account when you confirm the purchase. • The subscription renews automatically unless the auto-renewal is turned off at least 24 hours before the end of the current billing period. • We will charge your account for renewal within 24 hours before the end of your subscription. • You can manage subscriptions and turn off auto-renewal by going to your App Store Account Settings. • Any remaining portion of the trial will expire when you buy a subscription. Privacy Policy: https://surfshark.com/privacy-policy Terms of Service: https://surfshark.com/terms-of-service/
Written user reviews are not shown here. Check current App Store reviews >
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: Limited server locations compared to other VPNs
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Occasional connection drops
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Complicated subscription management
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Slow customer support response
Validate with people who use this workflow before building.
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.