# Stack Circuit vs Chroma

The clearest difference is rating: Chroma at 5.0 against Stack Circuit's 4.0. Chroma also leads on ratings volume (22 vs 1). Stack Circuit's advantage is in-app purchases (none vs 6) and iOS requirement (16 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Chroma sells 6 one-off in-app purchases. Stack Circuit asks for nothing beyond the download.

Chroma holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Chroma has 22 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Stack Circuit | Chroma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/stack-circuit-smart-assembly/id6760984535/reviews) | **[5.0 (22 ratings)](https://appshunter.io/ios/app/chroma-card-collecting-game/id6771792814/reviews)** |
| Number of ratings | 1 | **22** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 1.1 GB |
| Requires iOS | **16** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [泽森 陈](https://appshunter.io/developer/1884030414) | [Chroma Collecting LLC](https://appshunter.io/developer/6771792816) |

## What reviewers say

### Stack Circuit

[App page](https://appshunter.io/ios/app/stack-circuit-smart-assembly/id6760984535)

Design, build, and test automated systems in this puzzle game. Solve unique challenges by strategically placing interactive modules to create intelligent solutions. Explore 100 handcrafted levels with real-time execution and multiple solution paths.

**Highlights:** Module-based puzzle mechanics, 100 handcrafted levels, Real-time system execution, Multiple solutions per puzzle, Performance-based scoring, Skin customization

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

**In-app purchases:** none


### Chroma

[App page](https://appshunter.io/ios/app/chroma-card-collecting-game/id6771792814)

Open free packs regularly to discover and collect digital cards across 26 unique sets. Track your progress, aim for rare finds, and compete on global leaderboards. Enjoy a simple, satisfying collecting experience with daily challenges and rewards.

**Highlights:** Open free packs regularly, Collect cards across 26 unique sets, Discover 5 rarities plus a secret tier, Track collection progress, Compete on global leaderboards, Earn rewards through daily challenges

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Explorer Pack | $4.99 | one-time |
| Collector Pack | $9.99 | one-time |
| Mega Pack | $19.99 | one-time |
| Ultra Pack | $49.99 | one-time |
| Max Pack | $99.99 | one-time |


## Frequently asked questions

### Is Stack Circuit free?

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

### Is Chroma free?

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

### Which has better reviews, Stack Circuit or Chroma?

Chroma is rated higher. Stack Circuit averages 4.0 out of 5 from 1 ratings, while Chroma averages 5.0 from 22 ratings.

### Do Stack Circuit or Chroma have ads?

Neither Stack Circuit nor Chroma shows ads.

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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.*