# Flux vs Blue Light Filter

The clearest difference is rating: Blue Light Filter at 3.3 against Flux's 1.0. Blue Light Filter also leads on update cadence (weekly vs every 5 weeks) and ratings volume (137 vs 2). Flux's advantage is in-app purchases (none vs 5) and iOS requirement (9.0 vs 17.0). On price, review sentiment, ads 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. Flux asks for nothing beyond the download.

Blue Light Filter holds the better App Store score, 3.3 against 1.0. That said, the two scores are not equally well evidenced: Blue Light Filter has 137 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Flux's written reviews are positive against 3% of Blue Light Filter's.

Flux ships an update every 5 weeks, Blue Light Filter weekly. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Flux | Blue Light Filter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/flux-infinite-control/id980639891/reviews) | **[3.3 (137 ratings)](https://appshunter.io/ios/app/blue-light-filter/id6463748819/reviews)** |
| Number of ratings | 2 | **137** |
| Positive reviews | 0.0% of reviews | **2.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 19 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Z - Wave Tecnologia e Representacao de Aparelhos Eletronicos LTDA.](https://appshunter.io/developer/980639890) | [Rivia Corp s.r.o.](https://appshunter.io/developer/1698333588) |

## What reviewers say

### Flux

[App page](https://appshunter.io/ios/app/flux-infinite-control/id980639891)

Control your smart home devices, monitor power consumption, and manage lighting, security, and entertainment systems. This app offers remote configuration and is optimized for Z-Wave technology.

**Highlights:** Smart home device control, Power consumption monitoring, Lighting and security management, Remote configuration, Z-Wave technology optimization, Preset scene activation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |

**What reviewers complain about**

- 💸 Expensive subscription model
- 🚫 Blue light filter limited to app
- ⚠️ Difficult subscription cancellation
- 😠 App not free as expected
- ❌ Poor user interface

**Reported bugs**

- App doesn't open
- App keeps crashing
- App doesn't work on Mac
- Blank 'Trial Page' window
- Free cancellation not working

**Requested features**

- Automatically turn on at login
- Toggle on/off with shortcut key
- Apply blue light filter to entire phone
- More customization options


## Frequently asked questions

### Is Flux free?

Flux 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, Flux or Blue Light Filter?

Blue Light Filter is rated higher. Flux averages 1.0 out of 5 from 2 ratings, while Blue Light Filter averages 3.3 from 137 ratings.

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

Neither Flux nor Blue Light Filter shows ads.

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

Flux ships an update every 5 weeks, and Blue Light Filter weekly. Most recently, Flux was updated on October 6, 2026 and Blue Light Filter on October 25, 2026.

---

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