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.
The #1 Most Popular Christian Wallpaper App
$1.99 · 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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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 Bible Lock Screens + Devos: map the core Lifestyle 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: Limited customization options for lock screens
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Subscription model can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Some users may find the app cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchase process may be cumbersome
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.
The #1 Most Popular Christian Wallpaper App Custom Bible-based wallpapers We have thousands of wallpapers, designed in hundreds of styles. We have content for everyone to be blessed by. No subscription, one-time fee Pay once and get unlimited access. It is becoming harder and harder to find quality apps that do not have a subscription. As an independent developer, thank you for your support! Collections Curated by design or topic. Feel free to download an entire collection and then make it an auto-rotating wallpaper. See our tutorials section for how to do that! Devotionals A growing list of Bible-based devotionals, each with an audio version. We will continue to add more of these as time goes on. Let me know if you like them! Completely redesigned The app has been completely remade. Old designs have been removed, and over 500+ new designs have been added. Download Button On every wallpaper, look in the bottom right for a dedicated download button. This will make it much easier, and gone are the days when you had to tap and hold to download. Search bar Finally, a search bar! This was one of the most requested features. Search for quotes, Bible verses, devos, videos, etc. You can also try typing out the verse, verse reference, topic, and more. Videos BETA Devotional & voiceover videos by myself, Ryan Maher & also my good friend, Marcus Stanley. I make a lot of content like this for social media and thought it would be a blessing to include it. So let me know if it is a blessing to you. Listen BETA Sometimes I want to sit back and listen to Scripture over soothing ambient music. If you are like me, I pray this blesses you. So grab some headphones and allow Scripture to speak to you. iPad-specific images We have added a bunch of iPad-specific content, perfect for Landscape & Portrait modes. Much more is coming soon. ---- iPhone users look at their lock screen many times a day, to use their phone, to check the time, or to use one of the millions of apps available on the iOS platform. The lock screen appears for about eight seconds and is the first thing you see when you use your iPhone. Eight seconds is a lot of time to be looking at something random. Why not use a background with Scripture on it? My heart is that these Bible Lock Screen wallpapers would help remind you of what the Word of God says and help you walk it out. ---- APP STORE REVIEWS: "This app is a GREAT buy! By far the best Christian wallpaper app in the AppStore. Such a great way to be encouraged daily by God's word in beautiful art form for your iPhone!" - Kim S. (iTunes User) "This has been so awesome! The variety of lock/home screens available is practically endless. I also love the new update. Flows great! What a great way to profess your faith in the 21st century. Get it!!" - Lando25 (iTunes User) "What a blessing it is to have this app! I'm able to encourage other people by sending them a pic. And when I look at my phone I get to be reminded of my sweet Savior the Lord Jesus Christ! Thanks a million times over! - Torch A. (iTunes User) "This app is the best for getting to know Bible verses and if you are having a bad day then you will always have something to look at when you turn on your social networking device." - R110545 (iTunes User) "I love this app! It has definitely replaced the regular lock screen pictures I usually use and is also a great conversation starter when others use my phone! I hope to see even more screen options in the future!" - Mandi4787 (iTunes User) ---- Follow us on Instagram: http://www.instagram.com/biblelockscreens Like us on Facebook: http://www.facebook.com/biblelockscreens Check us out online: http://www.biblelockscreens.com
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.