# Blue Light Filter vs A Day

The clearest difference is in-app purchases: A Day at none against Blue Light Filter's 5. Blue Light Filter's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement 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. A Day asks for nothing beyond the download.

Blue Light Filter ships an update weekly, A Day every 5 days. The most recent releases landed on September 21, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | Blue Light Filter | A Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (137 ratings)](https://appshunter.io/ios/app/blue-light-filter/id6463748819/reviews)** | — |
| Number of ratings | **137** | — |
| Positive reviews | 2.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Rivia Corp s.r.o.](https://appshunter.io/developer/1698333588) | [Fuad Fajri](https://appshunter.io/developer/1822938629) |

## What reviewers say

### 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 |


### A Day

[App page](https://appshunter.io/ios/app/a-day-temporary-camera/id6754833335)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Light Filter free?

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

### Is A Day free?

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

### Do Blue Light Filter or A Day have ads?

Neither Blue Light Filter nor A Day shows ads.

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

Blue Light Filter ships an update weekly, and A Day every 5 days. Most recently, Blue Light Filter was updated on September 21, 2026 and A Day on May 15, 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.*