# Star Chain vs Thread Sort 3D

The clearest difference is rating: Thread Sort 3D at 5.0 against Star Chain's 2.7. Thread Sort 3D also leads on update cadence (weekly vs every 3 weeks). Star Chain's advantage is ratings volume (7 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Thread Sort 3D holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Star Chain ships an update every 3 weeks, Thread Sort 3D weekly. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Star Chain | Thread Sort 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (7 ratings)](https://appshunter.io/ios/app/star-chain/id1611330841/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/thread-sort-3d-screw-puzzle/id6747078887/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 252 MB | 379 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Delinskyi](https://appshunter.io/developer/1472993251) | [巧莲 李](https://appshunter.io/developer/1659765811) |

## What reviewers say

### Star Chain

[App page](https://appshunter.io/ios/app/star-chain/id1611330841)

Connect stars to create vibrant, unique pictures and new worlds. Immerse yourself in a calming ASMR experience as you follow the illuminated path to reveal a new drawing.

**Highlights:** Connect stars to create images, Discover new worlds, ASMR experience, Guided paths, Unique drawings

**Features:** macOS Compatibility

**In-app purchases:** none


### Thread Sort 3D

[App page](https://appshunter.io/ios/app/thread-sort-3d-screw-puzzle/id6747078887)

Untangle colorful threads from fluffy objects in this relaxing 3D puzzle game. Simple tap controls make it easy to transform chaos into order, offering a stress-free and rewarding experience perfect for unwinding.

**Highlights:** Untangle colorful threads, Calming 3D puzzle gameplay, Simple tap controls, Mindful and stress-free experience, Rewarding progress

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Star Chain free?

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

### Is Thread Sort 3D free?

Thread Sort 3D is free to download, with no in-app purchases.

### Which has better reviews, Star Chain or Thread Sort 3D?

Thread Sort 3D is rated higher. Star Chain averages 2.7 out of 5 from 7 ratings, while Thread Sort 3D averages 5.0 from 2 ratings.

### Do Star Chain or Thread Sort 3D have ads?

Both Star Chain and Thread Sort 3D show ads.

### Which is updated more often, Star Chain or Thread Sort 3D?

Star Chain ships an update every 3 weeks, and Thread Sort 3D weekly. Most recently, Star Chain was updated on October 13, 2026 and Thread Sort 3D on October 2, 2026.

---

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