# Dimmer vs Blue Light Filter

The clearest difference is rating: Blue Light Filter at 3.3 against Dimmer's 2.7. Blue Light Filter also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). Dimmer's advantage is review sentiment (40% vs 3%) and in-app purchases (none vs 5). On price, ratings volume, monetization model and device support there is nothing between them.

Both are free to download. Blue Light Filter sells 5 in-app purchases, starting at $4.99 per 7 days. Dimmer asks for nothing beyond the download.

Blue Light Filter holds the better App Store score, 3.3 against 2.7. Both are backed by a comparable volume of ratings — 399 and 137 respectively. Written reviews complicate that: 40% of Dimmer's written reviews are positive against 3% of Blue Light Filter's, so the app with the better star average is not the one people write more warmly about.

Dimmer ships an update every 3 months, Blue Light Filter weekly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Dimmer | Blue Light Filter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (399 ratings)](https://appshunter.io/ios/app/dimmer-adjust-lcd-brightness/id446306807/reviews) | **[3.3 (137 ratings)](https://appshunter.io/ios/app/blue-light-filter/id6463748819/reviews)** |
| Number of ratings | **399** | 137 |
| Positive reviews | **40.2% of reviews** | 2.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 19 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [newforestar co,.ltd](https://appshunter.io/developer/293922531) | [Rivia Corp s.r.o.](https://appshunter.io/developer/1698333588) |

## 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


### Blue Light Filter

[App page](https://appshunter.io/ios/app/blue-light-filter/id6463748819)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| 1 month | $6.99 | per month |
| Blue Light Filter - Monthly | $7.99 | per month |
| 1 year | $24.99 | per year |
| Annually | $29.99 | per year |


## Frequently asked questions

### Is Dimmer free?

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

### Is Blue Light Filter free?

Blue Light Filter is free to download, with in-app purchases available.

### Which has better reviews, Dimmer or Blue Light Filter?

Blue Light Filter is rated higher. Dimmer averages 2.7 out of 5 from 399 ratings, while Blue Light Filter averages 3.3 from 137 ratings.

### Do Dimmer or Blue Light Filter have ads?

Dimmer shows ads; Blue Light Filter does not.

### Which is updated more often, Dimmer or Blue Light Filter?

Dimmer ships an update every 3 months, and Blue Light Filter weekly. Most recently, Dimmer was updated on September 24, 2026 and Blue Light Filter on September 21, 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.*