Report updated Jun 9, 2026
Sunbeam: UV Index
For outdoor enthusiasts, health-conscious individuals, and users tracking Vitamin D or sun exposure for skin safety.
Sunbeam: UV Index is an established weather app that is free with in-app purchases. With a 4.7/5 rating from 1.6K reviews, it shows polarized user reception. Users particularly appreciate hourly uv index tracking provides actionable data for planning safe outdoor sun exposure sessions, though aggressive paywalling of core features forces users into subscriptions for basic uv index visibility remains a common concern.
What is Sunbeam: UV Index?
Sunbeam is a UV index forecasting app for iOS that provides real-time sun exposure data and health tracking.
Users hire Sunbeam to manage sun exposure and Vitamin D intake through quick-glance widgets and health-platform syncing, removing the need to manually track UV safety.
Current Momentum
v2026.1 · 1mo ago
Active- Refreshed Exposure Trends interactive charts.
- Added Daylight and Vitamin D summaries.
- Fixed past exposure session deletion bug.
Active Nemesis
UVLens - UV Index
By ElementX
Other Rivals
7-Day Rank Pulse 🇺🇸
WeatherRating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Calculates sunburn risk and Vitamin D estimates based on individual skin type settings.
Syncs Time in Daylight and Vitamin D metrics to the Apple Health app.
Displays real-time sun exposure statistics on the Lock Screen.
How much does it cost?
- Free tier with basic UV forecasts
- Sunbeam Pro subscription for personalized tracking, extended forecasts, and live activities
Freemium model gates advanced health tracking and long-range forecasting behind a subscription to support indie development.
Who Built It?
Providing health-conscious users with real-time UV exposure tracking and sun safety tools. Helping individuals monitor daylight intake via wearable and widget integration.
Portfolio
1
Apps
Explore the full Electric Acorn report
Portfolio breakdown, audience, momentum, and every app published by Electric Acorn.
What do users think recently?
Low confidence · 49 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate hourly uv index tracking provides actionable data for planning safe outdoor sun exposure sessions, but report aggressive paywalling of core features forces users into subscriptions for basic uv index visibility.
Limited review volume (49 reviews). Sentiment analysis will deepen as more data lands.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Sunbeam: UV Index?
Where is it available?
Localized markets (8)
How's The Weather Market?
How does it evolve in the Weather market?
Sunbeam holds a #87 Free rank in the US Weather category, maintaining a 4.7★ rating across 1,575 reviews. The gap between its high utility rating and the recurring subscription complaints signals a need to rebalance the free-tier value.
Rank progression
58 active rankings tracked — 30-day window
The rivals identified
Nemeses(1)
This is the only direct competitor in the qualified pool that focuses exclusively on UV index tracking and sun safety, matching the target app's core value proposition.
Differentiators
- Provides personalized sun exposure recommendations based on individual skin type and local UV forecasts.
- Integrates a dedicated 'Vitamin D' tracker that correlates sun exposure with daily health goals.
- Offers a specialized 'Burn Time' calculator that alerts users before they reach their sunburn threshold.
Head to head
The target app must pivot from being a passive data viewer to an active health coach to compete with UVLens's personalized safety features.
Same space(4)
A premium weather app that differentiates through personality-driven UX and highly customizable data presentation.
Differentiators
- Utilizes a unique, customizable personality-driven interface that makes weather data delivery engaging and memorable.
- Offers deep customization of the UI, allowing users to prioritize specific data points like UV index on the dashboard.
An adjacent health-focused utility that shares the target's 'personal safety' audience but focuses on air quality instead of UV.
Differentiators
- Focuses on respiratory health by providing real-time air quality index data and pollution forecasts globally.
- Includes educational content and health advice tailored to specific air quality levels for sensitive user groups.
A professional-grade weather visualization tool that provides granular UV data for power users and outdoor enthusiasts.
Differentiators
- Provides highly technical, multi-layered map visualizations that allow users to track UV index movement across regions.
- Supports advanced data overlays including wind, waves, and temperature, catering to prosumer and professional audiences.
A massive general-purpose weather app that includes UV data as a secondary feature within a broader ecosystem.
Differentiators
- Offers comprehensive global weather coverage including live radar, storm tracking, and long-term precipitation forecasts.
- Leverages a massive user base to provide crowdsourced weather reports and community-driven safety alerts.
New entrants(1)
An emerging tool using augmented reality to track sun position, showing high recent update velocity.
Differentiators
- Uses augmented reality to visualize the sun's path in real-time, helping users plan outdoor activities precisely.
- Provides a visual, spatial understanding of sunlight exposure that traditional 2D weather apps cannot replicate.
Compare Sunbeam: UV Index against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Sunbeam: UV Index
Strengths to defend, gaps to attack
Core Strengths
- Widget-first UX maintains high daily visibility
- Apple Health integration creates sticky data-sync habits
Critical Frictions
- Premium tier lacks a one-time purchase option
- 1★ reviews cite paywalling of basic UV data
Growth Levers
- Expand B2B partnerships with outdoor gear retailers
- Add personalized Vitamin D goal-setting
Market Threats
- General-purpose weather apps adding UV layers
- Emerging AR-based sun trackers disrupting 2D data
What are the next best moves?
Ship a lifetime purchase option because users consistently request it over subscriptions → increase conversion
Top request theme in sentiment analysis is for one-time purchase options.
Trade-off: Pause the annual subscription price test — lifetime conversion has higher immediate revenue impact.
Audit location service logic because users report data for incorrect geographic regions → improve retention
Location accuracy is a top-three complaint theme in user reviews.
Trade-off: Delay the new home screen widget customization sprint by two weeks.
A counter-intuitive read
The app's high rating is a risk, as it masks a growing segment of users who are one competitor-alternative away from leaving due to the restrictive paywall.
Feature Gaps vs Competitors
- Burn Time calculator (available in UVLens but missing here)
- Actionable time-to-burn alerts (available in UVLens but missing here)
Key Takeaways
Sunbeam provides high utility through its widget-first design, but the aggressive paywalling of core data drives churn, so the PM should prioritize a lifetime purchase option to align with user preference.
Where Is It Heading?
Mixed Signals
The UV-tracking market is consolidating around apps that offer personalized safety alerts, putting pressure on Sunbeam's passive data model. If the team does not address the paywall friction, they risk losing the casual user base to general-purpose weather apps that include UV data for free.
Aggressive paywalling of core UV data triggers high-frequency complaints, which limits new-user conversion and long-term retention.
The latest release added interactive charts and goal tracking, signaling active feature investment rather than maintenance mode.