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
Tato Talk
TatoTalk is a next-generation instant messaging app built for people who want more from their conversations
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.7
10 ratings · Top 50%
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'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 Tato Talk: map the core Social Networking 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
Enhance interaction with comments, reactions, and polls.
Assumption to check: Limited engagement features compared to text-based social apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement better audio compression and streaming.
Assumption to check: Audio quality issues during playback
Validate with people who use this workflow before building.
Hypothesis 3
Simplify onboarding and improve user guidance.
Assumption to check: Difficult navigation for new users
Validate with people who use this workflow before building.
Hypothesis 4
Create a unified notification center that categorizes alerts.
Assumption to check: Inconsistent notification system
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
TatoTalk is a next-generation instant messaging app built for people who want more from their conversations. From everyday chats to cross-border team collaboration, TatoTalk combines powerful communication tools with a clean, intuitive experience. Privacy-First Encryption Every message, call, and file transfer is protected by end-to-end encryption — your conversations are yours alone, with zero unauthorized access. Smart Toolbox Go beyond basic messaging with TatoTalk's built-in productivity suite: save Quick Replies for frequently used messages, break the ice with AI-generated conversation starters, and translate messages in real time without leaving the app. Chat Tips Library Not sure what to say? Browse a curated library of conversation guides and scripts — organized by scenario — to help you express yourself more confidently in any situation. Rich Media Support Share high-definition photos, videos, voice messages, and files of any type — no compression, no limits on your expression. Groups Built for Teams Host large communities or tight-knit teams with group voice and video calls, pinned announcements, and flexible admin controls. Crystal-Clear Calls High-quality voice and video calls that work reliably across borders — stay close to the people who matter, wherever they are. Always in Sync Pick up right where you left off — messages and contacts sync instantly across all your devices. Make It Yours Personalize your chat with custom themes, backgrounds, and notification settings. Available in 19 Languages Designed for a global community, with full localization across 19 languages.
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
Expo
Supabase
Zustand
expo-av
react-navigation
BUILD KIT DIFFICULTY
Expert
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.
