# Fill Sand vs Screw Machine

The clearest difference is review sentiment: Screw Machine at 50% against Fill Sand's 21%. Screw Machine also leads on rating (4.9 vs 4.7). Fill Sand's advantage is monetization model (free vs free with in-app purchases) and chart position (#83 vs unranked). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Fill Sand sells 12 one-off in-app purchases and Screw Machine sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Screw Machine holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 312 and 445 respectively. Written reviews point the same way: 21% of Fill Sand's written reviews are positive against 50% of Screw Machine's.

Fill Sand ships an update every 3 days, Screw Machine every 4 days. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Fill Sand | Screw Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (312 ratings)](https://appshunter.io/ios/app/fill-sand-block-puzzle/id6797907221/reviews) | **[4.9 (445 ratings)](https://appshunter.io/ios/app/screw-machine/id6801033982/reviews)** |
| Number of ratings | 312 | **445** |
| Positive reviews | 20.6% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#83** | — |
| Size | 472 MB | 368 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stormborn Inc.](https://appshunter.io/developer/1698445266) | [Twist Games](https://appshunter.io/developer/1854442218) |

## What reviewers say

### Fill Sand

[App page](https://appshunter.io/ios/app/fill-sand-block-puzzle/id6797907221)

**Currently charting:** #83 Top Free · Casual, #93 Top Free · Puzzle, #157 Top Grossing · Puzzle, #173 Top Grossing · Casual, #191 Top Free · Games (US App Store)

Experience a unique block puzzle game where real physics dictates how colored sand grains fall, pile, and slide. Strategically place blocks to absorb matching sand and clear the picture before time runs out. It's an oddly satisfying challenge that requires careful planning and spatial reasoning.

**Highlights:** Real falling-sand physics, One-finger drag controls, Colorful pictures to uncover, Shape and space planning, Quick stages, Special blocks and power-ups

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Bundle | $1.99 | one-time |
| 1,000 Coins | $1.99 | one-time |
| Fail Offer | $4.99 | one-time |
| 5,000 Coins | $7.99 | one-time |
| No Ads | $7.99 | one-time |
| Fail Offer 02 | $8.99 | one-time |
| Sand Pass | $9.99 | one-time |
| Small Bundle | $9.99 | one-time |
| 10,000 Coins | $14.99 | one-time |
| Fail Offer 03 | $14.99 | one-time |
| Large Bundle | $19.99 | one-time |
| Super Bundle | $29.99 | one-time |


### Screw Machine

[App page](https://appshunter.io/ios/app/screw-machine/id6801033982)

A unique color-sorting puzzle game where you manage screws on a spinning machine. Tap panels to release screws and match them to their colored plates before the rail overloads. Features special mechanics like mystery plates and gates for added challenge.

**Highlights:** Spinning machine sorting mechanic, Color-matching screw puzzles, Tap-to-release screw panels, Special game-changing parts (mystery plates, gates), Offline play, No timer or move counter

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Coins | $1.99 | one-time |
| Fail Offer | $4.99 | one-time |
| 5000 Coins | $7.99 | one-time |
| No Ads | $7.99 | one-time |
| Small Bundle | $9.99 | one-time |
| No Ads Bundle | $12.99 | one-time |
| 10000 Coins | $14.99 | one-time |
| Medium Bundle | $19.99 | one-time |
| Large Bundle | $29.99 | one-time |
| Mega Bundle | $49.99 | one-time |


## Frequently asked questions

### Is Fill Sand free?

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

### Is Screw Machine free?

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

### Which has better reviews, Fill Sand or Screw Machine?

Screw Machine is rated higher. Fill Sand averages 4.7 out of 5 from 312 ratings, while Screw Machine averages 4.9 from 445 ratings.

### Do Fill Sand or Screw Machine have ads?

Both Fill Sand and Screw Machine show ads.

### Which is updated more often, Fill Sand or Screw Machine?

Fill Sand ships an update every 3 days, and Screw Machine every 4 days. Most recently, Fill Sand was updated on October 21, 2026 and Screw Machine 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.*