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
ZEDGE™ Ringtones & Wallpapers
Zedge: We Make Phones Personal
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
195,428 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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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 ZEDGE™ Ringtones & Wallpapers: map the core Entertainment 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
Implement a subscription model for ad-free experience.
Assumption to check: Users report ads are intrusive.
Validate with people who use this workflow before building.
Hypothesis 2
Offer premium content in higher quality.
Assumption to check: Limited ringtone/wallpaper quality.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance category layout for better accessibility.
Assumption to check: Difficult to navigate categories.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce user-customized playlists or favorites.
Assumption to check: Lack of personalization options.
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
Zedge: We Make Phones Personal Download Zedge™ and personalize your phone with millions of wallpapers, ringtones, alarm and notification sounds, watch faces, live photos, and advanced AI tools that let you design your own unique style. Search, find or create anything with Zedge™. RINGTONES, ALARM & NOTIFICATION SOUNDS • Search and access an endless selection of free ringtones, popular music, effects and entertaining ringtones, anywhere, anytime • Set ringtones for individual contacts, use alarm sounds and set your own default ringtone • Set ringtones more easily with a new in-app tutorial • Choose from a massive selection of notification sounds, alerts and funny tones • Set alerts and alarm sounds ALARMS • Set alarms that actually get you up. Complete a simple mission to turn off the alarm and start the day on time WALLPAPERS • Download an endless selection of free wallpaper backgrounds • Get full HD wallpapers and 4K wallpapers • Choose from dozens of wallpaper collections, from Banksy and urban artwork to Sci Fi, space themes and anime • Set to screen lock or home screen • Preview wallpapers directly on the item page before applying them • Try 24H Wallpapers that shift from morning to midday, evening, and night, automatically adjusting to your local time • Discover Liquid Glass wallpapers and Spatial Scene wallpapers with depth and motion Zedge™ AI Generator – Creativity Powered by AI Bring your imagination to life with Zedge’s AI-powered features: • AI Wallpaper Maker – Describe any scene, object, or style and instantly generate a custom Wallpaper. From dreamy landscapes to futuristic art, the possibilities are endless. • AI Photo Filters & Styles – Apply unique artistic looks, from Anime and Comic to Cyberpunk, Watercolor, or Vintage Vibes. Transform your photos in just a tap. Save your creations privately, or explore the community gallery for inspiration. WATCH FACES • Discover an expansive collection of captivating watch faces for your Apple Watch • Customize your watch face with unique designs and cool themes • HD and 4K custom Apple Watch faces • Preview wallpapers and designs before applying them to your Apple Watch face WIDGETS & iMESSAGE BACKGROUNDS • Personalize your Lock & Home Screen with widgets that match your style • Explore curated iMessage backgrounds for every mood and chat LIVE PHOTOS • Select live photos and get video effects with your lock screen background • Our live photos won’t drain your battery and only play once when turning on your lock screen • See our full and extensive catalogue of quality live photos catered to all tastes and ages WHY Zedge™? • Download millions of free pieces of featured and premium content • Access content from top tier creators - from top musicians across the world to local artists BONUS FEATURES • Add sounds or wallpapers to favorites without downloading • Access your ringtones and backgrounds across all devices with one simple login • Receive notifications for limited edition wallpapers and ringtones - like Christmas, Valentines Day Fathers Day, Mothers Day, New Years Day and Halloween • Add customizations for special occasions, birthdays, anniversaries and more We love ringtones, we love wallpapers, and we love diversity! We do not import or use any personal information or files in your media library, storage or contact list. http://www.zedge.net/termsofservice https://www.zedge.net/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.
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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.
