Twilight is a blue light filter app for Android and iOS that adjusts screen color temperature based on local sunset and sunrise times.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Health & Fitness
Sentiment
4.6
447k reviews
Nemesis
BetterSleep: Relax and Sleep
The App DNA
What makes this app unique?
Users hire Twilight to regulate circadian rhythms and reduce eye strain before sleep, solving for the physiological impact of blue light exposure.
For Users experiencing sleep difficulties or eye strain who seek to regulate circadian rhythms through screen light management.
What does it look like?
Key features
Adjusts screen color temperature based on local sunset and sunrise times.
Connects to Philips HUE systems to synchronize household lighting.
Extends filtering to system-level notifications and lock screens.
How much does it cost?
Transitioning basic utility features behind paywalls has triggered user frustration and negative sentiment.
Velocity
Maintenance developmentUX improvementsplatform expansioninternationalizationShow more...
The app ships approximately 0.08 releases per week, placing it firmly in the maintenance tier. Development is sporadic, with the latest release occurring in February 2026 following a significant gap since the previous update in November 2025. While the latest release introduced notable features like Philips HUE support and a redesign, the overall cadence is too infrequent to be considered active or live-ops driven. The development trend is currently stable but low-frequency.
Who built it?
Petr Nálevka (Urbandroid)
13+ apps tracked · Health & Fitness
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Lis10: Audio GuidesUser Sentiment
What do users think recently?
The recent review mood reads mixed. Users appreciate effective blue light filtering reduces eye strain and improves sleep quality for sensitive users, but report aggressive monetization and paywalls for basic features frustrate long-term and new users alike.
How are ratings & reviews evolving?
Weekly average review rating
What users say, by theme
- Effective blue light filtering reduces eye strain and improves sleep quality for sensitive users
- Aggressive monetization and paywalls for basic features frustrate long-term and new users alike
70 of 70 recent reviews analyzed · high confidence · Mixed overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Twilight: Blue light filter
How's the Health & Fitness market?
Twilight maintains a strong Android presence with 446,656 ratings, but its iOS footprint remains nascent with only 123 ratings. The disparity suggests the brand is a legacy Android utility struggling to capture the iOS sleep-wellness market.
Read the market outlookThe rivals identified
By Ipnos Software Inc.
With over 390,000 ratings, this app dominates the sleep-aid market by bundling soundscapes with tracking, directly competing for the same bedtime user intent as Twilight.
- Integrates a massive library of soundscapes and guided content to drive daily user retention
- Provides comprehensive sleep tracking analytics that go beyond simple blue light filtering mechanics
- Monetizes through a robust subscription model that funds continuous content production and feature updates
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Twilight: Blue light filter
Where is it heading?
The sleep-utility market is consolidating around content-heavy trackers, leaving Twilight's static filter model exposed to disruption. Unless the product pivots to deeper smart-home integration or data-driven wellness, the current monetization friction will accelerate user migration to native system settings.
- Transitioning basic features to subscription models triggers user frustration, which erodes the brand equity built over years of free utility.
- Accessibility service crashes on newer OS versions cause random service termination, leading to a decline in daily active usage.
The SWOT
- Accessibility service filtering creates a functional barrier against native system-level night modes
- Smartlight integration increases switching costs by tying the app to physical hardware
- Tasker automation support secures the technical power-user segment
- Desktop environment expansion to capture multi-device eye protection needs
- B2B partnerships with smart-home hardware manufacturers for bundled sleep solutions
Next best moves
Audit subscription-gated features because paywalls for basic utility drive 1★ reviews → reduce churn
+ 1 more prioritized moveThe counter-intuitive read
The app's biggest threat is not a competitor, but the OS itself…
Read the full takeFeature gaps
Real-time sleep tracking analytics (available in BetterSleep but absent here) +1
Since the last report: The app transitioned to a freemium monetization model, which has negatively impacted user sentiment despite the addition of new smart-home and system-level features.
Bottom line
Twilight remains a category staple due to its deep system-level integration, but the shift to aggressive monetization threatens its long-term viability against native OS alternatives, so the PM must prioritize stability and re-evaluate the paywall strategy to prevent further churn.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated