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
Momento – Mindful Note-Taking
Momento is a mindful note-taking app that helps you capture thoughts, ideas, and inspirations with a beautifully simple interface designed for mindfulness.
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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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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/
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 Momento – Mindful Note-Taking: 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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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 tagging and search functionality to enhance note organization.
Assumption to check: Users often find it difficult to organize notes effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Focus on a minimalist design that prioritizes core note-taking functionalities.
Assumption to check: Note-taking apps can feel overwhelming with too many features.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce auto-save features to reduce the risk of data loss.
Assumption to check: Users may forget to save their notes.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize themes and text styles for a more personalized experience.
Assumption to check: Limited options for customization may frustrate users.
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
Momento is a mindful note-taking app that helps you capture thoughts, ideas, and inspirations with a beautifully simple interface designed for mindfulness. Key Features: Minimalist Design: A clean, distraction-free interface that helps you focus on your thoughts and ideas. Focus Mode: Block out distractions and immerse yourself in the writing experience with our dedicated focus mode. Mindfulness Timer: Set timers for focused writing sessions to practice mindful note-taking. Thought Tags: Organize your notes with simple tags that help you find related thoughts later. Daily Prompts: Get inspiration with thoughtful prompts designed to spark creativity and reflection. Seamless Sync: Your notes are automatically synced across all your devices for easy access anywhere. How It Works: Download Momento: Get started by downloading Momento from the App Store on your iPhone or iPad. Capture Your Thoughts: Open the app and start capturing your thoughts, ideas, and inspirations in the moment. Practice Mindfulness: Use focus mode and the mindfulness timer to stay present while writing. Organize and Reflect: Your notes are automatically sorted by date so you can revisit them later for reflection and inspiration. What Testers Are Saying: "Momento has completely transformed how I take notes. The interface is so clean and thoughtfully designed, making it a joy to use daily." — Sarah J., Writer "The focus mode is incredible. I've never been able to concentrate on my thoughts so clearly before. Truly a mindful experience." — Michael T., Product Designer "As someone with ADHD, finding an app that helps me stay present while taking notes is rare. Momento does exactly that." — Alex R., Student "I've tried dozens of note-taking apps, but Momento stands out with its beautiful simplicity and mindfulness approach." — Jamie K., Meditation Coach Private Data Stays Private Momento collects zero personal information about you. Learn More: https://www.getmomento.app/privacy Terms of Use: Find our app's Terms of Use at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Start your mindful note-taking journey today. Available for iPhone and iPad.
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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
Zustand
React Navigation
react-native-reanimated
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.
