Comparison

Luma Sleep vs Screen Light App

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

Head to head
About

Luma Sleep

This app provides a system-wide red light filter to reduce eye strain and screen discomfort at night. It offers sub-zero brightness and quick controls, integrating with iOS Shortcuts for seamless application across all your apps.

Highlights
  • System-wide red light filter
  • Dim screen below 0% brightness
  • Integrates with iOS Shortcuts
  • Quick controls via widgets
  • Reduces eye strain at night
Features
Read full description

One of the first system-wide red light filters on the App Store. Is your screen still too bright at night, even at 0% brightness? Late-night scrolling and reading can cause eye strain and discomfort in dark rooms. Luma Sleep is a nighttime screen tool designed to reduce harsh light and make your device more comfortable to use after dark. Unlike apps that work only inside a browser, Luma integrates with iOS Shortcuts to apply filters across your entire system — including social apps, messages, and the Lock Screen. FREE FEATURES • Red Light Mode — Apply a soothing red screen tint for nighttime use • Sub-Zero Brightness — Dim your screen beyond the standard iOS limit • Quick Controls — Toggle instantly from widgets or shortcuts HOW IT WORKS Luma uses a simple setup process built on native iOS accessibility features. No jailbreak. No risky system modifications. Just smooth, native performance. Luma is free to download, with optional upgrades available. Protect your eyes. Read comfortably at night. Use your screen with less strain.

About

Screen Light App

This utility app transforms your device's screen into a customizable light source. Adjust brightness and color to create the perfect ambiance for any situation. It offers a simple, ad-free experience.

Highlights
  • Customizable screen light
  • Adjustable brightness
  • Single color display
  • Ad-free experience
  • Intuitive controls
Features
Read full description

ScreenLight is a simple app that lets you use your iPhone screen as a light. It displays a single color across the entire screen, with intuitive controls for brightness and color. There are no ads, and the app is completely free to use.

Screenshots

Luma Sleep3 screens
Screen Light App4 screens

Verdict

The call

The clearest difference is rating: Screen Light App at 4.5 against Luma Sleep's 4.0. Screen Light App also leads on review sentiment (67% vs 29%). Luma Sleep's advantage is update cadence (weekly vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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. Luma Sleep sells 2 in-app purchases, starting at $1.49 per month and Screen Light App sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Screen Light App holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 35 and 31 respectively. Written reviews point the same way: 29% of Luma Sleep's written reviews are positive against 67% of Screen Light App's.

UpkeepUpdate frequency

Luma Sleep ships an update weekly, Screen Light App every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Luma Sleep versus Screen Light App: the parameters behind the verdict, then further details
ParameterLuma SleepScreen Light App
PriceFreeFree
Rating4.0 (35 ratings)4.5 (31 ratings) — better
Positive reviews28.6% of reviews66.7% of reviews — better
Number of ratings35 — better31
Update frequencyWeekly — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size15 MB2 MB
Age rating4+4+
DeveloperSachin KumarRikuto Kumada

Customer experience

Luma Sleep

All ratings28 ratings
Positive71.4%
Neutral10.7%
Negative17.9%
Written reviews7 reviews
Positive28.6%
Neutral14.3%
Negative57.1%

Screen Light App

All ratings31 ratings
Positive90.3%
Neutral0.0%
Negative9.7%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

2 purchases

Luma Sleep

Subscriptions1
  • Luma Pro$1.491 Month
One-time1
  • Lifetime Access$19.99
3 purchases

Screen Light App

One-time3
  • Buy me a coffee$0.99
  • Cake set$2.99
  • Dinner$5.99

Questions

Is Luma Sleep free?
Luma Sleep is free to download, with in-app purchases available.
Is Screen Light App free?
Screen Light App is free to download, with in-app purchases available.
Which has better reviews, Luma Sleep or Screen Light App?
Screen Light App is rated higher. Luma Sleep averages 4.0 out of 5 from 35 ratings, while Screen Light App averages 4.5 from 31 ratings.
Do Luma Sleep or Screen Light App have ads?
Neither Luma Sleep nor Screen Light App shows ads.
Which is updated more often, Luma Sleep or Screen Light App?
Luma Sleep ships an update weekly, and Screen Light App every 4 months. Most recently, Luma Sleep was updated on October 24, 2026 and Screen Light App on October 25, 2026.

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