Comparison

Blue Light Filter vs Gradual Nightlight

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Blue Light Filter

Reduce eye strain and improve sleep with an adjustable blue light filter. Organize your files, photos, and videos with an integrated file manager. Enjoy a seamless web browsing experience with built-in filtering and bookmarking.

Highlights
  • Adjustable blue light filter
  • Eye strain relief
  • Improved sleep quality
  • Intuitive file manager
  • Zip/unzip support
  • Integrated web browser
Read full description

Blue Light Filter is your all-in-one solution for a comfortable and productive digital experience on iOS. Equip your device with our adjustable blue light filter to alleviate eye strain and improve sleep quality, especially during nighttime browsing and reading. Effortlessly manage and organize your documents, photos, and videos with our intuitive file manager, featuring zip/unzip support. Enjoy a seamless web browsing experience with an integrated blue light filter and easy access to bookmarks and history. Designed with a user-friendly interface, the app ensures easy navigation for users of all ages, and is fully optimized for iOS with Dark Mode compatibility, haptic feedback, and quick actions via 3D Touch. Download Blue Light Filter today and transform your screen time into a safer, more comfortable, and more efficient experience. Privacy Policy: https://riviacorp.com/privacy-filter/ Terms of Services: https://riviacorp.com/terms-filter/ Support: https://riviacorp.com/

About

Gradual Nightlight

Features
Read full description

Revolutionize bedtime routines for babies, toddlers, and parents with this innovative app. As a new dad, I’ve experienced the bedtime challenges firsthand, inspiring me to create this app. Utilize your phone as a versatile tool—a reading light during story time, a nightlight for a peaceful sleep, and now introducing our newest feature: soothing green noise. What makes this app stand out: • Gradual screen dimming with adjustable speed for a seamless transition from awake to sleep. • User-friendly interface with large buttons and speed indicators, designed for easy use, even with your hands full. • Calming shift from white light to red light, aiding relaxation while preserving night vision. • Plan your evenings effectively with estimated lights-out time for better scheduling. • Optional parental lock mode prevents accidental adjustments by curious little hands. • Enjoy a seven-day free preview to explore all features. New Feature: Green Noise • Embrace the calming influence of green noise, an addition that enhances relaxation and promotes a peaceful sleep environment for your child. Crafted with parental needs at its core, this app enables you to prioritize your child’s comfort over lighting concerns. Say farewell to bedtime stress and welcome relaxing nights!

Screenshots

Blue Light Filter3 screens
Gradual Nightlight4 screens

Verdict

The call

Blue Light Filter and Gradual Nightlight are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Blue Light Filter sells 5 in-app purchases, starting at $4.99 per 7 days and Gradual Nightlight sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Blue Light Filter ships an update weekly, Gradual Nightlight every 2 weeks. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

ScorecardNo meaningful differences
Blue Light Filter versus Gradual Nightlight: the parameters behind the verdict, then further details
ParameterBlue Light FilterGradual Nightlight
PriceFreeFree
Rating3.3 (137 ratings) — better—
Positive reviews2.6% of reviews—
Number of ratings137 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size19 MB3 MB
Age rating17+4+
DeveloperRivia Corp s.r.o.Alterscope Solutions LLC

Bugs and requests

Blue Light Filter

Reported bugs

5 issues
  • App doesn't open
  • App keeps crashing
  • App doesn't work on Mac
  • Blank 'Trial Page' window
  • Free cancellation not working

Requested features

4 requests
  • Automatically turn on at login
  • Toggle on/off with shortcut key
  • Apply blue light filter to entire phone
  • More customization options

Gradual Nightlight

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Blue Light Filter

Subscriptions5
  • Weekly3 Days trial$4.997 Days
  • 1 month3 Days trial$6.991 Month
  • Blue Light Filter - Monthly3 Days trial$7.991 Month
Show 2 more
  • 1 year3 Days trial$24.991 Year
  • Annually$29.991 Year
1 purchases

Gradual Nightlight

One-time1
  • Gradual Nightlight: US English$0.99

Questions

Is Blue Light Filter free?
Blue Light Filter is free to download, with in-app purchases available.
Is Gradual Nightlight free?
Gradual Nightlight is free to download, with in-app purchases available.
Do Blue Light Filter or Gradual Nightlight have ads?
Neither Blue Light Filter nor Gradual Nightlight shows ads.
Which is updated more often, Blue Light Filter or Gradual Nightlight?
Blue Light Filter ships an update weekly, and Gradual Nightlight every 2 weeks. Most recently, Blue Light Filter was updated on October 17, 2026 and Gradual Nightlight on October 10, 2026.

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