# BLVCK vs Sunset Challenge

The clearest difference is rating: Sunset Challenge at 5.0 against BLVCK's 4.0. Sunset Challenge also leads on in-app purchases (none vs 2) and update cadence (every 10 days vs every 5 weeks). BLVCK's advantage is ratings volume (209 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. BLVCK sells 2 in-app purchases, starting at $3.99 per 7 days. Sunset Challenge asks for nothing beyond the download.

Sunset Challenge holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: BLVCK has 209 ratings behind it against 1, so its average is the more settled of the two.

BLVCK ships an update every 5 weeks, Sunset Challenge every 10 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BLVCK | Sunset Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (209 ratings)](https://appshunter.io/ios/app/blvck-black-and-white-effect/id6444122959/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sunset-challenge/id6758141249/reviews)** |
| Number of ratings | **209** | 1 |
| Positive reviews | 58.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Subscription | **Free** |
| Size | 84 MB | 45 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Priyaben Patel](https://appshunter.io/developer/1568939806) | [Ludovic NGUIE](https://appshunter.io/developer/1871132296) |

## What reviewers say

### BLVCK

[App page](https://appshunter.io/ios/app/blvck-black-and-white-effect/id6444122959)

Transform your photos into professional-grade black and white masterpieces with a variety of filters and textures. Easily add grunge, grain, dust, and creative borders for artistic effects without complex editing.

**Highlights:** Black and white photo effects, Over 50 B&W filters, Duotone filters, Photo textures (grain, dust, light leak), Creative photo borders, Blend modes with borders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BLVCK-PREMIUM-Weekly | $3.99 | per 7 days |
| BLVCK-PREMIUM-YEARLY | $39.99 | per year |

**What reviewers like**

- 👍 Great filters
- 👍 Useful black and white features
- 👍 Fun to use
- 👍 Nice visual effects

**What reviewers complain about**

- 🐛 Crashes frequently
- 🤖 Annoying rating request pop-ups
- 🤖 Keeps asking for rating even after rating
- 🤖 Confusing interface elements

**Reported bugs**

- Crashes when loading photos from camera roll
- Unstable and frequently closes without warning

**Requested features**

- Allow choosing own duotone colors
- Add video tutorial for using black and white features
- Improve stability and reduce crashes


### Sunset Challenge

[App page](https://appshunter.io/ios/app/sunset-challenge/id6758141249)

Share your best sunset photos and explore a global gallery of stunning skies. Engage with a community by liking photos and participating in weekly rankings. Experience a simple, immersive interface focused on beautiful moments.

**Highlights:** Share sunset photos, Explore global sunset gallery, Like and rank photos, Automatic location tagging, Minimalist interface, Community engagement

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

**In-app purchases:** none


## Frequently asked questions

### Is BLVCK free?

BLVCK is free to download, with in-app purchases available.

### Is Sunset Challenge free?

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

### Which has better reviews, BLVCK or Sunset Challenge?

Sunset Challenge is rated higher. BLVCK averages 4.0 out of 5 from 209 ratings, while Sunset Challenge averages 5.0 from 1 ratings.

### Do BLVCK or Sunset Challenge have ads?

Neither BLVCK nor Sunset Challenge shows ads.

### Which is updated more often, BLVCK or Sunset Challenge?

BLVCK ships an update every 5 weeks, and Sunset Challenge every 10 days. Most recently, BLVCK was updated on October 30, 2026 and Sunset Challenge on October 25, 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.*