# Dimmer vs Keep Screen On & Dimmer Screen

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.

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.

## The numbers

| Metric | Dimmer | Keep Screen On & Dimmer Screen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (406 ratings)](https://appshunter.io/ios/app/dimmer-adjust-lcd-brightness/id446306807/reviews)** | [1.7 (6 ratings)](https://appshunter.io/ios/app/keep-screen-on-and-dimmer-screen/id6475613134/reviews) |
| Number of ratings | **406** | 6 |
| Positive reviews | **42.4% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 33 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [newforestar co,.ltd](https://appshunter.io/developer/293922531) | [Nghi Doan](https://appshunter.io/developer/1672353938) |

## What reviewers say

### Dimmer

[App page](https://appshunter.io/ios/app/dimmer-adjust-lcd-brightness/id446306807)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient brightness control
- 🚀 Quick access to brightness settings
- 💡 Useful for night reading
- 🚀 Handy app for adjusting brightness

**What reviewers complain about**

- 🐛 Brightness resets after screen lock
- 🔋 Brightness doesn't stay at set level
- 🚫 Doesn't dim beyond phone's lowest setting
- 🚫 No additional dimming functionality beyond built-in settings

**Reported bugs**

- Brightness reverts to high level on unlock
- App crashes on launch for some users
- Brightness slider doesn't work as expected

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/keep-screen-on-and-dimmer-screen/id6475613134)

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.

**Highlights:** Keep screen on indefinitely, Reduce screen brightness to zero, Prevent screen timeout, Useful for long uploads/downloads, Aids developers needing constant screen visibility

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads forever | $3.99 | one-time |


## Frequently asked questions

### Is Dimmer free?

Dimmer is free to download, with no in-app purchases.

### Is Keep Screen On & Dimmer Screen free?

Keep Screen On & Dimmer Screen is free to download, with in-app purchases available.

### Which has better reviews, Dimmer or Keep Screen On & Dimmer Screen?

Dimmer is rated higher. Dimmer averages 2.7 out of 5 from 406 ratings, while Keep Screen On & Dimmer Screen averages 1.7 from 6 ratings.

### Do Dimmer or Keep Screen On & Dimmer Screen have ads?

Dimmer shows ads; Keep Screen On & Dimmer Screen does not.

### Which is updated more often, Dimmer or Keep Screen On & Dimmer Screen?

Dimmer ships an update every 3 months, and Keep Screen On & Dimmer Screen every 3 months. Most recently, Dimmer was updated on November 1, 2026 and Keep Screen On & Dimmer Screen on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*