Blue Light Filter vs Keep Screen On & Dimmer Screen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Adjustable blue light filter
- Eye strain relief
- Improved sleep quality
- Intuitive file manager
- Zip/unzip support
- Integrated web browser
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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/
Keep Screen On & Dimmer Screen
Prevent your device's screen from turning off automatically and adjust its brightness to a very low level. This utility is ideal for tasks like long uploads or downloads, or for developers needing continuous screen visibility.
- Keep screen on indefinitely
- Reduce screen brightness to zero
- Prevent screen timeout
- Useful for long uploads/downloads
- Aids developers needing constant screen visibility
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Keep Screen On & Dimmer Screen brightness will help you do two those things in zero tap! Just open the app, your phone screen will be on forever and your phone screen brightness will down to zero too! Lower your phone screen brightness is an impressive feature of this app because most of us want to keep screen on and lower phone screen brightness together. Timeout to turn off is also a good feature! This app is useful when you want to keep screen on while uploading video to YouTube, downloading big file or for developer who want to keep screen on! Thank you!
Screenshots
Verdict
The clearest difference is rating: Blue Light Filter at 3.3 against Keep Screen On & Dimmer Screen's 1.8. Blue Light Filter also leads on update cadence (weekly vs every 3 months) and ratings volume (137 vs 5). Keep Screen On & Dimmer Screen's advantage is review sentiment (25% vs 3%) and iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Blue Light Filter sells 5 in-app purchases, starting at $4.99 per 7 days and Keep Screen On & Dimmer Screen sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Blue Light Filter holds the better App Store score, 3.3 against 1.8. That said, the two scores are not equally well evidenced: Blue Light Filter has 137 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 3% of Blue Light Filter's written reviews are positive against 25% of Keep Screen On & Dimmer Screen's, so the app with the better star average is not the one people write more warmly about.
Blue Light Filter ships an update weekly, Keep Screen On & Dimmer Screen every 3 months. The most recent releases landed on October 21, 2026 and October 2, 2026 respectively.
| Parameter | Blue Light Filter | Keep Screen On & Dimmer Screen |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (137 ratings) — better | 1.8 (5 ratings) |
| Positive reviews | 2.6% of reviews | 25.0% of reviews — better |
| Number of ratings | 137 — better | 5 |
| Update frequency | Weekly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 33 MB |
| Age rating | 17+ | 17+ |
| Developer | Rivia Corp s.r.o. | Nghi Doan |
Customer experience
Blue Light Filter
Keep Screen On & Dimmer Screen
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
Keep Screen On & Dimmer Screen
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Blue Light Filter
- Weekly3 Days trial$4.997 Days
- 1 month3 Days trial$6.991 Month
- Blue Light Filter - Monthly3 Days trial$7.991 Month
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- 1 year3 Days trial$24.991 Year
- Annually$29.991 Year
Keep Screen On & Dimmer Screen
- Remove ads forever$3.99
Questions
Is Blue Light Filter free?
Is Keep Screen On & Dimmer Screen free?
Which has better reviews, Blue Light Filter or Keep Screen On & Dimmer Screen?
Do Blue Light Filter or Keep Screen On & Dimmer Screen have ads?
Which is updated more often, Blue Light Filter or Keep Screen On & Dimmer Screen?
Other comparisons
