# Screw Sort vs Thread Fill

The clearest difference is in-app purchases: Thread Fill at none against Screw Sort's 5. Thread Fill also leads on update cadence (every 3 days vs every 8 days) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Screw Sort sells 5 one-off in-app purchases. Thread Fill asks for nothing beyond the download.

Screw Sort ships an update every 8 days, Thread Fill every 3 days. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Screw Sort | Thread Fill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/screw-sort-nuts-and-bolts/id6779804871/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 144 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ITechX Solutions L.L.C-FZ](https://appshunter.io/developer/6779804374) | [Muammer Taygun Savas](https://appshunter.io/developer/1830739340) |

## What reviewers say

### Screw Sort

[App page](https://appshunter.io/ios/app/screw-sort-nuts-and-bolts/id6779804871)

Engage in a satisfying puzzle where you unscrew and sort colored screws into matching slots. Strategically remove screws to free stacked plates, but be mindful of the order to avoid getting stuck. Enjoy a relaxing, pressure-free sorting experience with daily rewards and boosters.

**Highlights:** Unscrew and sort colored screws, Free stacked plates, 200 hand-tuned levels, Simple one-thumb controls, Colorblind-friendly designs, Boosters for assistance, Daily rewards and level map

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600 Coins | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| 2,200 Coins | $2.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 7,000 Coins | $7.99 | one-time |


### Thread Fill

[App page](https://appshunter.io/ios/app/thread-fill/id6789493650)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screw Sort free?

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

### Is Thread Fill free?

Thread Fill is free to download, with no in-app purchases.

### Do Screw Sort or Thread Fill have ads?

Both Screw Sort and Thread Fill show ads.

### Which is updated more often, Screw Sort or Thread Fill?

Screw Sort ships an update every 8 days, and Thread Fill every 3 days. Most recently, Screw Sort was updated on October 13, 2026 and Thread Fill on October 20, 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.*