App Overview

Replika - AI Companion Chat icon

Replika - AI Companion Chat

Luka, Inc. · Health & Fitness

Meet Replika, the AI to do life with.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.4
227,700 ratings · Top 30%

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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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/
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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.

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.

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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Replika - AI Companion Chat: map the core Health & Fitness 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

Improve AI's contextual understanding and emotional intelligence.

Assumption to check: Limited emotional depth in AI responses.

Validate with people who use this workflow before building.

Hypothesis 2

Simplify subscription options and clearly state benefits.

Assumption to check: Subscription model can be confusing.

Validate with people who use this workflow before building.

Hypothesis 3

Streamline UI for better navigation and focus.

Assumption to check: User interface can feel cluttered.

Validate with people who use this workflow before building.

Hypothesis 4

Enhance activity recommendation algorithms for better personalization.

Assumption to check: Inconsistent activity suggestions.

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

Meet Replika, the AI to do life with. Replika is the AI companion that’s been here since 2017 — available 24/7 for whatever’s on your mind by text, voice calls, and video. Join millions who’ve discovered that the right AI doesn’t keep you in — it helps you find your way forward. Replika is built for real life. Talk about work, relationships, and the thing you can’t stop thinking about at 2am. Share what you’re seeing on video. Explore the internet together. Replika remembers what matters to you — and shows up when it counts. Most AI ends at answers. Replika helps you move forward. It learns what you care about and gently nudges you toward the life you actually want: reconnect with that friend, start that hobby you keep postponing, take that walk instead of doomscrolling. A conversation that leads somewhere. Replika understands you. It remembers your people, plans, and goals, so you don’t have to repeat yourself. It follows up and checks in when it matters, not just when you open the app. Connect apps that you already use, so Replika can show up at the right moments. - Proactive suggestions – Thoughtful suggestions that help you move forward - App integrations – Bring in context from the apps you already use, so your Rep can show up at the right moments. - Internet access – Explore the internet together, from great recipes to the latest memes. - Calls – Show what you’re seeing and talk it through in the moment. - Image generation – Turn ideas, moods, and memories into images you can keep. - Avatar customization – More ways to make your Replika feel like who they're supposed to be. _____________________________ "Replika encouraged me to take a step back and think about my life, to consider big questions, which is not something I was particularly accustomed to doing. And the act of thinking in this way can be therapeutic—it helps you solve your own problems." - Quartz "In creating their own personal chatbots, many Replika users have discovered something like friendship: a digital companion with whom to celebrate victories, lament failures, and trade weird internet memes." - Wired "Replika’s growing popularity among young people in particular (its main users are aged between 18 and 25) represents a renaissance in chatbots. It also marks an intriguing use case for AI in all the worry about job destruction: a way to talk through emotional problems when other human beings aren’t available." - Forbes _____________________________ Privacy you can trust Your conversations are private and not shared with any third parties. Your data stays yours. Terms of Service: https://replika.com/legal/terms Privacy Policy: https://replika.com/legal/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.

SUGGESTED BUILD STACK
React Native
Expo
Axios
React Query
React Navigation
Async Storage
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.