Dimmer vs Keep Screen On & Dimmer Screen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dimmer
Easily control your device's screen brightness with customizable presets and quick access from widgets. Features include advanced mode for fine-tuning, battery-aware adjustments, and timer-based brightness changes.
- Widget launch for quick brightness presets
- Advanced mode with fine adjustment and timer
- Battery mode for automatic brightness adjustment
- Save and switch between two presets
- Timer function with alarm notification
- Color bars for visual brightness adjustment
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"Dimmer! Brightness control application! Very useful, and for free!" iPhone back light can be adjusted in favorite luminosity very quickly. You can start it with the brightness specified by a shortcut from the widget. Because your iPhone life becomes comfortable ”epoch-makingly". *** Convenient features *** ● Launch from widget You can add brightness presets to widgets.You can quickly access presets with fine brightness. Register a preset in advance from the application, then "Edit" on the widget screen, register the “Dimmer" application from the + button, and you are done. ●Advanced Mode Advanced mode can perform preset function, numerical value fine adjustment and Timer function. ● Battery mode Automatically adjusts to the preset brightness according to the current battery level. Fine pre-adjustment is possible, such as maximum brightness while charging and re-low brightness when the battery level is low. Combined use with widgets makes it even more convenient! ●Preset function Two presets, Preset A and Preset B, can be stored. ●Timer function When the set time elapses, there is an alarm notification, and when you tap on the notification you can set the brightness preset. ●Color bars function Displays a color bar in the background for brightness adjustment. ●Start & Preset Function Upon application startup, the screen brightness is set to the value set in Preset A. ●Start & Preset A ◀▶ B For example, if you set a high brightness for Preset A and a low brightness for Preset B, each time the application is launched, it will switch between Preset A>B>A>B, which is useful when temporarily brightening or dimming the screen. ※If you have the iOS setting automatic and make a setting change through this app, it reverts back to automatic iOS setting once you sleep/wake. --- URL schema --- brightness://brightness.newforestar.com?XXX (brightness 0~100)
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: Dimmer at 2.7 against Keep Screen On & Dimmer Screen's 1.7. Dimmer also leads on in-app purchases (none vs 1) and ratings volume (406 vs 6). Keep Screen On & Dimmer Screen's advantage is ads (none vs shown). On price, update cadence, monetization model and device support 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. Keep Screen On & Dimmer Screen sells 1 one-off in-app purchase. Dimmer asks for nothing beyond the download.
Dimmer holds the better App Store score, 2.7 against 1.7. That said, the two scores are not equally well evidenced: Dimmer has 406 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 42% of Dimmer's written reviews are positive against 25% of Keep Screen On & Dimmer Screen's.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Dimmer | Keep Screen On & Dimmer Screen |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (406 ratings) — better | 1.7 (6 ratings) |
| Positive reviews | 42.4% of reviews — better | 25.0% of reviews |
| Number of ratings | 406 — better | 6 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 8 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | newforestar co,.ltd | Nghi Doan |
Customer experience
Dimmer
Keep Screen On & Dimmer Screen
Bugs and requests
Dimmer
Reported bugs
3 issues- Brightness reverts to high level on unlock
- App crashes on launch for some users
- Brightness slider doesn't work as expected
Requested features
3 requests- Ability to dim screen below phone's minimum brightness
- Option to keep brightness setting after screen lock
- Integration with notification center for quicker access
Keep Screen On & Dimmer Screen
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Dimmer
No in-app purchases
Keep Screen On & Dimmer Screen
- Remove ads forever$3.99
Questions
Is Dimmer free?
Is Keep Screen On & Dimmer Screen free?
Which has better reviews, Dimmer or Keep Screen On & Dimmer Screen?
Do Dimmer or Keep Screen On & Dimmer Screen have ads?
Which is updated more often, Dimmer or Keep Screen On & Dimmer Screen?
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