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
I Love You All The Time
Smile and giggle as the popular children’s book I Love You All The Time comes to life in English and Spanish right at your fingertips
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
7 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.
Build your own version
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 included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 I Love You All The Time: map the core Books 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
Focus on unique offerings and partnerships with indie authors.
Assumption to check: Limited selection of books compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Provide clearer explanations and previews of premium features.
Assumption to check: In-app purchase confusion for users.
Validate with people who use this workflow before building.
Hypothesis 3
Implement a more streamlined tab bar and better organization.
Assumption to check: Navigation can feel cluttered.
Validate with people who use this workflow before building.
Hypothesis 4
Add features to share favorite books with friends.
Assumption to check: Lack of social features for sharing books.
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
Smile and giggle as the popular children’s book I Love You All The Time comes to life in English and Spanish right at your fingertips. Talking bears, moving toys, and silly sounds will enchant toddlers and their grown-ups. Tap to learn the names of alphabet letters, customize the narration with your own voice recording and even personalize the last page with one or more names! Lovely chimes sound when you find the I Love You All The Time heart hidden on every screen. Build early reading skills following the narrator’s highlighted words in storybook mode or read on your own in Mute Text mode. Practice spelling skills by tapping out beginner words on the cozy quilt. Perfect as a gift app from grandparents, aunts, or uncles who live far away or to start a cherished bedtime routine you and a child can share even when you are working late or out of town. The board book toddlers ask for again and again is now an interactive book for iPhone and iPad. The gender-neutral text, original music, and charming song make I Love You All the Time perfect for car time, screen time, bedtime, or any time. The beloved children's book I Love You All The Time, released in 1999 by Cookie Bear Press, Inc. with over 150,000 copies in print, is now bursting with delightful animation easily activated by toddlers' fingers. The lyrical rhymes that have delighted children, parents, and grandparents for 22 years come to life in this enchanting interactive book to reassure the young children in your life that you love them all the time – no matter how busy you are or where you live. • 100% family-friendly lyrical rhymes and delightful images (no ads, no in-app purchases) • English and Spanish versions • Amusing animation, silly sounds, and learning opportunities • Parent lock to control external links • Highlighted words reinforce word recognition and basic reading skills • Sing-along original song • Lyrical rhymes and simple sentence structure appropriate for toddlers and early readers • Record your own narration • Read out loud in Mute Narrator” mode • Customize the last page with personal names • Enable animations to work anytime or only when narration completes • Enrich soothing bedtime reading with user-friendly interactivity • Page guide to jump right to favorite lyrics and illustrations • Apple Specifications: iOS 10+, CPU: A7 SoC+ Read reviews for the original 2011 version and share your comments for the updated 2024 app! "I am amazed at the quality of this app, given that the price is only $1.99...great." "...should not be missing in your kids' apps collection." topbestappsforkids.com "The light animation and digital enhancements are perfect for the toddler set. Highly Recommended!" www.digital-storytime.com 5 stars: "an excellent book app with high quality features, and includes multiple educational and entertainment options. Bravo to the developer...a lovely and safe environment for our children..".----http://bestappsforkids.com/2012/11/i-love-you-all-the-time/ 4 stars, “...The most unusual feature is hearing the words of the book in a song… it's among the most original additions to book apps I've seen and likely to be a big hit with toddlers…My favorite part is the prompt at the end to record your own verse…an option to personalize the last page with a child's name…makes a special gift for a new mother.” ---www.smartappsforkids.com
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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
Expo
Supabase
react-navigation
@supabase/supabase-js
zustand
BUILD KIT DIFFICULTY
Intermediate
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.
