Sunbeam: UV Index vs its rivals

Side-by-side comparison against Sunbeam: UV Index's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Core Identity
DeveloperElectric Acorn LtdElementX LimitedGrailr LLCIQAir AGWindyty, SEWetterOnline - Meteorologische Dienstleistungen GmbHZuzana Eskinasi
CategoryWeatherHealth & FitnessWeatherWeatherWeatherWeatherPhoto & Video
PlatformiOSiOS, AndroidiOS, AndroidiOS, AndroidiOS, AndroidiOS, AndroidiOS
Store Metrics
Rating4.7 / 53.3 / 54.7 / 54.8 / 54.8 / 54.7 / 54.8 / 5
Ratings Count1,57524084,44342,32975,871290,9271,005
PriceFreeFreeFreeFreeFreeFreeFree
Release DateJan 14, 2019Jun 21, 2016Mar 19, 2015Oct 24, 2015Oct 31, 2016Aug 1, 2012May 8, 2019
Last UpdatedFeb 17, 2026Feb 16, 2026Mar 26, 2026Apr 10, 2026Mar 24, 2026Apr 15, 2026Apr 2, 2026
Sentiment & Reviews
Sentimentmixedmixed-positiveexcellentmixed-
Score65/10050/100-85/10085/10060/100-
Praises
  • Hourly UV index tracking provides actionable data for planning safe outdoor sun exposure sessions
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  • Real-time air quality monitoring provides actionable health data for users with respiratory conditions
  • High-fidelity radar and multi-layer weather visualization tools provide professional-grade utility for outdoor enthusiasts
  • Forecasting Accuracy
  • Radar Visualization
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Complaints
  • Aggressive paywalling of core features forces users into subscriptions for basic UV index visibility
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  • Custom UI implementation causes significant layout regressions and element clipping on foldable devices
  • Widget functionality regressions post-update cause data loading failures on specific Android device models
  • Intrusive and Deceptive Ads
  • Performance Issues
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Requests
  • One-time purchase options are requested to replace the current recurring subscription model for access
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  • Dark mode implementation is requested to improve visual comfort during low-light usage
  • Expanded visual indicators for wind direction and storm alerts would improve situational awareness for users
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Strategic Intel
Strengths
  • Widget-first UX maintains high daily visibility
  • Apple Health integration creates sticky data-sync habits
  • 21-language sensor-integration library functions as a B2B distribution barrier into international preschool partnerships
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  • Proprietary sensor network functions as a B2B distribution moat
  • Hardware integration creates a high-switching-cost ecosystem
  • Editors' Choice badge sustains organic install velocity
  • Multi-model aggregation provides scientific depth for complex meteorological analysis
  • 67,000+ webcam network creates a visual-verification loop that competitors lack
  • Professional-grade aviation/marine toolset creates high switching costs for power users
  • Streamlined 'All-in-One' radar UI
  • High perceived accuracy for temperature and rain
  • Robust specialized data for ski and coastal niches
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Weaknesses
  • Premium tier lacks a one-time purchase option
  • 1★ reviews cite paywalling of basic UV data
  • 0.87★ Android-iOS rating gap on majority Android base
  • No IAP or subscription gates to fund development
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  • Custom UI causes element clipping on foldable devices
  • Inconsistent index reporting triggers user distrust
  • Lack of standard material design controls
  • Premium tier lacks the hyper-local simplicity of MinuteCast
  • Widget regressions on Android create a 0.16★ platform rating gap
  • High battery consumption from persistent location requests
  • Aggressive and inappropriate ad content
  • Performance lag (ads loading before data)
  • Lack of minute-by-minute precipitation granularity
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Pricingfreemiumfreefreemiumfreefreemiumfreemiumfree
MomentumActiveMaintenanceIntenseActiveActiveIntenseIntense
Update Cadence5 versions5 versions, 1 majors/6mo, ~560d avg5 versions5 versions, 5 majors/6mo, ~39d avg5 versions, 4 majors/6mo, ~20d avg5 versions, 5 majors/6mo, ~11d avg5 versions

Compare Sunbeam: UV Index head-to-head

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Sunbeam: UV Index, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Data licensed under CC-BY-NC 4.0