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
Lock Launcher - Launch Apps
No extra redirects—open apps instantly! Lock Launcher is a iOS 26/27 lock screen widget
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
3,917 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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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Lock Launcher - Launch Apps: map the core Graphics & Design 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
Provide more widget types and deeper customization features.
Assumption to check: Limited customization options for widgets
Validate with people who use this workflow before building.
Hypothesis 2
Optimize performance for smoother interactions.
Assumption to check: Occasional lag when loading widgets
Validate with people who use this workflow before building.
Hypothesis 3
Add guided onboarding to help users understand features.
Assumption to check: No clear instructions for new users
Validate with people who use this workflow before building.
Hypothesis 4
Implement a more user-friendly paywall and trial system.
Assumption to check: In-app purchase reminders can be intrusive
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
No extra redirects—open apps instantly! Lock Launcher is a iOS 26/27 lock screen widget. You can add anything on the lock screen and launch it instantly with just one touch. It perfectly supports various Apps, Websites, Shortcuts and custom URL Scheme. ▶ Featured on the App Store Homepage ◀ ▶ Featured in App Store Trending Searches ◀ ▶ Chosen by over 4 million users ◀ 【iOS 27 Liquid Glass & Control Center & Camera Control & Action Button】 - Quickly launch any Apps, Shortcut, URL Scheme, Webpage, Music, etc., from the Control Center, Lock Screen Button and Action Button, you can also customize the tinted icon beautification, making it both efficient and practical. - Supports quick Camera Control for iPhone 16, allowing for fast one-tap access to any launch actions, such as: scan, payment code, etc. ▶ Featured on App Store Today ◀ 【Features】 - iOS 27 Extra-large Home screen Widget - Minimalist Dumb Phone Launcher Theme & Classic Grid Theme - Control Center Widget - Quick Search to Result Page - Quick Scan QR Code - iOS 17 interactive small widgets 2×2 / 3×3 / 4×4 - Home screen widget with transparent background - Favorites support group management - Auto-refresh Start Live Activity and Dynamic Island with Shortcut Automation - Lock screen Text Widget supports custom Launcher and text - Dynamic Island supports Date and Week - Island CPU, Memory, Refresh Rate, FPS, Download/Upload Speed - Dynamic Island Launcher - Live Activities Launcher - Lock Screen Memo & Clock - Dynamic Island Clock - Dynamic Island Pure Mode for taking screenshot - Health Data: Step / Fitness / Heart Rate - Current weather data - Picture-in-Picture Mode - Music Actions - Dock Transparent Blur Style - NFC action read and write 【Features】 - Hot Apps Collection - Lightning Payment - Dynamic Island Launcher - Home Screen Launchpad Widget - Dynamic Battery Widget - Custom Icons - Custom URL Scheme - Favorite Launchers - Efficient Shortcuts - Powerful Web Apps - Save to Home Screen - Add Home Screen Widgets - One-Click Image - Dynamic Clock Widget - Auto iCloud Backup & Restore - Quick access web page - 15 Pro Action Button 18 - App Clip Encourage us with five stars, More powerful features will be developed. Also, feedback are welcome to tell me on Twitter:@LockLauncherApp / [email protected] Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ * Subscription payments will be charged to your iTunes account at confirmation of your purchase. * Subscriptions will automatically renew and payment will be charged to your iTunes account unless auto-renew is turned off at least 24 hours prior to the end of the current Privacy Policy: https://locklauncher.com/privacy/
Written user reviews are not shown here. Check current App Store reviews >
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
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react-native-vector-icons
react-native-gesture-handler
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.
