Star Drop vs Cosmo Crush
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Star Drop
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Drop asteroids. Merge planets. Forge a BLACK HOLE. Star Drop is the oddly satisfying space merge game you can't put down — one thumb, endless chain reactions, no wifi needed. HOW IT WORKS Drop celestial bodies into the gravity well. When two identical objects touch, they fuse into something bigger: pebbles become asteroids, asteroids become comets, comets become moons… all the way up to stars. Merge two stars and you'll forge a BLACK HOLE that devours everything on screen. Sounds simple. Then the pile starts rising toward the event horizon, and suddenly you're one clutch merge away from disaster — or a monster chain reaction. WHY YOU'LL KEEP PLAYING • One-thumb controls — drag to aim, release to drop • Real physics — every pile settles, rolls, and topples differently • Chain reactions that play rising musical notes as they cascade • The black hole: the most satisfying screen-clear in mobile gaming • Runs perfectly offline — planes, subways, dead zones • Quick 2-minute rounds that turn into "one more run" FAIR & SIMPLE Free to play with optional ads. One cheap purchase removes interstitials forever. No energy systems, no timers, no accounts, no nonsense. How far up the chain can you get? Some players may never see the black hole. Will you?
Cosmo Crush
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Drop. Merge. Explode. Cosmo Crush is a physics merge puzzler set in deep space. Drop moons into the chamber, merge two of a kind, and watch them collapse into something bigger: Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, Jupiter, and finally the Sun. Keep going and you'll trigger a Supernova. Keep going further and you'll create a Black Hole. Simple to start. Genuinely hard to master. 12 COSMIC TIERS Every merge climbs the chain, from a humble Moon all the way to a Black Hole. The higher you climb, the more room you free up — and the more the board fights back. REAL PHYSICS, REAL TENSION Planets roll, settle, and stack the way real objects would. Every drop changes the shape of the board. There's no undo, and gravity has opinions. CHAIN YOUR COMBOS Merges that cascade multiply your score. Set up a chain reaction and watch a single well-placed moon collapse half the board. POWERUPS FOR WHEN IT GETS TIGHT Earn Stardust as you play and spend it on four powerups: • Planet Swap — trade the planet you're holding • Planet Skip — skip a bad draw • Shrink Ray — halve a planet that's in the way • Nova Bomb — blow up the board and restack everything that survives 65 BADGES TO UNLOCK From your first merge to feats most players never manage. Each one pays out Stardust. BUILT FOR ONE-HANDED PLAY Portrait, one thumb, no tutorial required. Pick it up for thirty seconds or lose an hour. PLAYS OFFLINE No account. No sign-up. Your run saves automatically. Close the app mid-game and pick up exactly where you left off. Free to play, supported by ads. Optional rewarded ads let you continue a run. Stardust can also be purchased. How far can you merge?
Screenshots
Verdict
The clearest difference is in-app purchases: Star Drop at none against Cosmo Crush's 5. Star Drop also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support 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. Cosmo Crush sells 5 one-off in-app purchases. Star Drop asks for nothing beyond the download.
| Parameter | Star Drop | Cosmo Crush |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 days |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 24 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Owen Brown | Kenneth Withers |
In-app purchases
Star Drop
No in-app purchases
Cosmo Crush
- 500 Stardust$0.99
- 1,200 Stardust$1.99
- Remove Ads (Lifetime)$3.99
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- 3,500 Stardust$4.99
- 8,000 Stardust$9.99









