Sand Drop vs Screw Machine
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sand Drop
Engage in a relaxing puzzle experience by swiping colorful sand to complete tasks. This game offers satisfying controls and bright visuals, with levels that gradually increase in challenge. It's perfect for quick, engaging play sessions.
- Swipe colorful sand
- Complete puzzle tasks
- Simple and relaxing gameplay
- Bright, satisfying visuals
- Challenging levels
- Quick play sessions
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Sand Drop: Color Sort Puzzle turns pixel art into a satisfying sand puzzle. Every level is a colorful picture made of sand. Tap a color to release it, or drag your finger to carve a path through the image. The loose sand pours down a funnel onto a moving loop, then flows into color-coded buckets below. Each bucket shows how many grains it still needs. Fill it with the matching color and it clears, making room for the next one. Watch the loop's fill meter: if too much sand piles up, you run out of space. Choose which colors to drop and when, and keep the sand moving. WHY PLAY SAND DROP • Satisfying physics: watch every grain pour, slide and drain • Relaxing ASMR feel: calm visuals and smooth, simple controls • Brain and logic challenge: plan the order, match each color, clear the board • Pixel art pictures: a new image to sort in every level • Easy one-finger play: a relaxing puzzle game for adults and casual players Love sorting games, water sort puzzles or pouring games? Sand Drop gives the color sorting genre a fresh, sandy twist.
Screw Machine
This game challenges you to sort colored screws onto a spinning machine. Tap panels to release screws onto a rail, where they thread into matching plates. Fill all plates to win, but avoid jamming the machine by overloading the rail.
- Color-sorting screw puzzle
- Spinning machine mechanic
- Tap-to-release screws
- Level-based progression
- Offline play
- Mystery plates, gates, tunnels, arrows
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Screw Machine is a color-sorting screw puzzle with a moving twist. Instead of stacking screws onto a bolt, you spill screws onto a spinning machine and let timing do the sorting. Tap a panel drop its screws onto the rail, and watch each color thread itself into its matching plate as the ring carries it around. Fill every plate to win. Overload the rail and the whole machine seizes up. HOW THE MACHINE WORKS • Tap a panel to loosen its screws onto the spinning rail • Four color plates sit around the ring — each one takes three screws of its color • As the machine turns, every screw passing its matching plate drives itself in • Fill a plate and it locks shut; the next color rolls up behind it • Clear all the plates to finish the level KEEP IT TURNING • The rail only holds so many screws, release colors with nowhere to go and it jams solid • Read the machine before you tap: open the panels whose colors have an open plate • No move counter, no timer, you only lose if the rail jams for good • Every level is a small sorting puzzle built to be untangled PARTS THAT CHANGE THE GAME • Mystery plates: The next color stays hidden behind a "?" until it rolls into place • Gates: Run a screw through and it splits into more • Tunnels: Feed a whole extra run of panels onto the board • Arrows: Panels that you can only unlock from a certain direction WHY IT'S HARD TO PUT DOWN • A fresh, tactile spin on the nuts and bolts puzzles you already love • One-tap, simple, with real timing and planning underneath • Hand-built levels that stay clever without ever feeling like work • Oddly satisfying to watch, screws driving home, plates locking in sequence • Play offline, anywhere, no wifi needed • Free to play, with lives that refill over time Loosen the screws. Run the machine. Sort every color.
Screenshots
Verdict
The clearest difference is update cadence: Screw Machine at every 4 days against Sand Drop's every 10 days. Screw Machine also leads on review sentiment (57% vs 45%). Sand Drop's advantage is chart position (#132 vs unranked). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sand Drop sells 15 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.
On the App Store both sit at effectively the same score — 4.8 for Sand Drop against 4.9 for Screw Machine. Both are backed by a comparable volume of ratings — 560 and 736 respectively. Written reviews are what separate them: 45% of Sand Drop's written reviews are positive against 57% of Screw Machine's.
Sand Drop ships an update every 10 days, Screw Machine every 4 days. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.
| Parameter | Sand Drop | Screw Machine |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (560 ratings) | 4.9 (736 ratings) — better |
| Positive reviews | 45.0% of reviews | 57.1% of reviews — better |
| Number of ratings | 560 | 736 — better |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #132 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 462 MB | 428 MB |
| Age rating | 12+ | 4+ |
| Developer | Lion Studios Plus | Twist Games |
Customer experience
Sand Drop
Screw Machine
In-app purchases
Sand Drop
- Oasis Treat$0.99
- Mirage Return$0.99
- 1000 Coins$1.99
Show 12 moreShow fewer
- Piggy bank$2.99
- Starter Pack$2.99
- Piggy Bank$4.99
- Special Offer$4.99
- No Ads$7.99
- 5000 Coins$7.99
- Battle Pass$9.99
- No Ads Pack$9.99
- 10000 Coins$14.99
- 25000 Coins$29.99
- 50000 Coins$54.99
- 100000 Coins$99.99
Screw Machine
- 1000 Coins$1.99
- Fail Offer$4.99
- 5000 Coins$7.99
Show 7 moreShow fewer
- No Ads$7.99
- Small Bundle$9.99
- No Ads Bundle$12.99
- 10000 Coins$14.99
- Medium Bundle$19.99
- Large Bundle$29.99
- Mega Bundle$49.99






