App Overview

SunRay Tanning Routine App icon

SunRay Tanning Routine App

Kain Suite Pte. Ltd. · Weather

Tired of slow, risky tanning methods? SunRay offers a smarter, safer way to get your perfect tan

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.7
495 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.

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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/
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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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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for SunRay Tanning Routine App: map the core Weather 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

Integrate more reliable weather APIs for better accuracy

Assumption to check: Inaccurate UV index predictions for some locations

Validate with people who use this workflow before building.

Hypothesis 2

Allow users to customize routines more extensively with advanced settings

Assumption to check: Limited customization for tanning routines

Validate with people who use this workflow before building.

Hypothesis 3

Introduce push notifications for reminders based on user preferences

Assumption to check: No reminders for tanning sessions

Validate with people who use this workflow before building.

Hypothesis 4

Add social features to share routines and tips among users

Assumption to check: Lack of user community features

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

Tired of slow, risky tanning methods? SunRay offers a smarter, safer way to get your perfect tan. Our AI-powered app analyzes your skin and creates a personalized tanning plan that helps you achieve your desired shade in less time. KEY FEATURES: SKIN SCANNER: >> Follow the on-screen instructions to take a clear, well-lit selfie. >> Ensure your face is free of makeup and in natural lighting for the most accurate analysis Our advanced AI algorithm will analyze your selfie to determine your skin type, skin health, sensitivity to UV rays, and current skin tone. GET PERSONALIZED TANNING ROUTINE: >> After skin analysis, the app will generate your customized tanning plan. >> Review the detailed, step-by-step recommendations, which include the best times to tan, duration of exposure, and appropriate SPF levels. Get a customized tanning routine tailored to your skin's needs and current weather conditions. This personalized approach helps you achieve your desired tan more efficiently and safely. CHECK UV INDEX: >> Get real-time UV index updates for your location >> Tap and hold to see the peak UV Index for today Make sure to tan during the safest times to significantly reduce the risk of harmful UV exposure. Protect your skin from potential damage while still achieving a beautiful, even tan. TRACK YOUR PROGRESS: >> Capture your daily tanning routines and progress with photos. >> Get report about the total tanning time and track your progress towards your goals Monitor your tanning journey with detailed logs and visual progress updates. Check how your skin responds to different routines, adjust your goals to maintain a healthy and safe tanning routine. SHARE YOUR TANNING: >> Share your journey on social media directly from the app. Ready to Tan Smarter? Download SunRay - Tanning Planner app today and start enjoying a beautiful, healthy glow. Information about the auto-renewal of subscription: Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. The cost depends on the selected plan. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of the free trial will be forfeited when the user purchases a subscription. Privacy Policy: https://kainsuite.com/privacy-policy/ Terms of Use: https://kainsuite.com/terms-conditions/

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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
Zustand
axios
expo-location
BUILD KIT DIFFICULTY
Advanced

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.