Sloths Browser is a web browser for iOS that automatically adjusts display color temperature and brightness based on local time to reduce blue light exposure.
The App DNA
What makes this app unique?
The browser removes the friction of manual display adjustments for users who browse before sleep, replacing standard system settings with a browser-specific filter.
For Mobile users seeking to mitigate the impact of blue light exposure on sleep quality during nighttime web browsing.
What does it look like?
Key features
Adjusts display color temperature to warm tones based on local sunset and sunrise times to reduce melatonin suppression.
Lowers screen brightness beyond standard system minimums for nighttime usage.
Supports multiple concurrent web pages within the application interface.
How much does it cost?
The app is currently free with no visible subscription or IAP gates, relying on ad-network mediation for revenue.
Velocity
Dormant developmentopaqueShow more...
Sloths Browser has reached a zombie state, with no updates or feature releases in 789 days. The development activity has ceased entirely, as the last release was a minor update that provided no significant changes. There is no evidence of ongoing maintenance or support for the platform.
Who built it?
Usman Perwaiz
5 apps tracked · Utilities
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Unit Converter and RatesUser Sentiment
What do users think recently?
Recent user voice shows a frustrated sentiment. Users appreciate the visual dimming effect provides a comfortable reading experience similar to physical books for users.
How are ratings & reviews evolving?
What users say, by theme
- The visual dimming effect provides a comfortable reading experience similar to physical books for users
- Aggressive pop-up advertisements appearing every thirty seconds disrupt the user experience and make navigation difficult
6 of 6 recent reviews analyzed · limited sample · Frustrated overall
Read the full review analysisUnlock 2 more frustration themes, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Sloths Browser
How's the Utilities market?
Sloths Browser occupies a narrow utility niche on iOS, maintaining a 4.08 rating across 12 total ratings. The lack of updates for 789 days suggests a maintenance-mode position that risks losing relevance as system-level display filters become standard.
The rivals identified
The Analyst's Read
Key takeaways for Sloths Browser
Where is it heading?
The market for browser-based blue light filtering is consolidating as OS-level features become more robust. Sloths Browser remains exposed due to its lack of updates and high-friction monetization, which together accelerate user churn.
- The 789-day update gap suggests the product is in maintenance mode, which prevents the team from addressing filter coverage regressions.
- User reports of unauthorized billing charges create a high risk of store policy enforcement, which would terminate the app's distribution.
The SWOT
- Automated color temperature adjustment based on local sunset/sunrise times
- Introduce ad-free subscription tier to replace high-friction ad mediation
Next best moves
Audit ad-mediation logic because users report pop-ups every thirty seconds → reduce churn
+ 1 more prioritized moveThe counter-intuitive read
The browser's biggest threat is not a rival…
Read the full takeSince the last report: The competitive outlook has shifted to prioritize the threat of OS-level display filters over internal churn, while the product remains in a 789-day maintenance state.
Bottom line
Sloths Browser provides a niche utility for sleep-conscious browsing, but the current ad-frequency and reported billing issues create significant churn risk. Addressing the ad-mediation logic would stabilize the user base and allow for a transition to a sustainable revenue model.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Sloths Browser safe to use for nighttime reading?
Does Sloths Browser work better than the built-in iOS Night Shift?
Is there a way to remove the ads in Sloths Browser?
Sources
- [1] App Store, source
Report last updated