Echo Drop vs Sky Stack
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Echo Drop
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THE BALL DROPS. THE MUSIC STARTS. Tone Drop is a bouncing ball arcade game where every move you make is a note. Drop the ball, hit the tiles, hear your melody build โ one bounce at a time. When the run ends, you've composed something no one else could have made. No sheet music. No rhythm track to follow. Just you, the ball, and whatever comes out. HOW IT WORKS Guide a glowing ball through a neon field of musical tiles. Every tile plays a note from a pentatonic scale โ a system that makes every hit sound right, no matter what order. Chain your bounces to trigger chord progressions. Keep the ball alive and the music grows. Three misses, and the song is over. WHAT MAKES IT DIFFERENT Most music games hand you a song to replay. Tone Drop hands you an instrument. The pentatonic system means every run sounds beautiful โ whether you've played piano for twenty years or never touched one. No two sessions ever sound the same. RECORD & SHARE Export your run as a full video โ visuals and music, combined. Share the track you just played without touching a single music app. FEATURES - Pentatonic scale system โ every bounce sounds musical, always - 80 preset chord progressions across 4 musical modes - 4-layer music beautification โ pads, bass, shimmer, beat - Neon visuals synchronized live to your music - 3-miss game over โ every life has weight - AVAssetWriter video export โ share your creation instantly - Endlessly replayable โ no two sessions sound alike - Built for iOS with SpriteKit physics Drop the ball. Make music. Call it yours.
Sky Stack
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Stack blocks, build sky-high towers, and test your timing in this addictive one-tap stacking game! HOW TO PLAY Tap to place each falling block perfectly on the tower. The higher you stack, the faster it gets. One wrong move and it's game over! FEATURES - One-tap gameplay โ easy to learn, hard to master - Multiple game modes: Classic, Time Attack, Zen, and Precision - AI-powered similar photo detection finds duplicates others miss - Compete on global, weekly, and friends leaderboards via Game Center - Unlock block skins, backgrounds, and cosmetic styles - Daily challenges with bonus rewards - Season Pass with exclusive unlocks - Story mode with companion character Nimbus - Streak system โ play daily to build your streak - Widgets to track your stats and daily challenges PLAY YOUR WAY - Classic: Stack as high as you can - Time Attack: Race against the clock - Zen: Relax with no pressure - Precision: Every placement counts Free to play with optional in-app purchases. Remove ads with a single purchase.
Screenshots
Verdict
The clearest difference is in-app purchases: Echo Drop at none against Sky Stack's 10. Echo Drop also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Sky Stack sells 10 one-off in-app purchases. Echo Drop asks for nothing beyond the download.
| Parameter | Echo Drop | Sky Stack |
|---|---|---|
| Price | Free | Free |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 17.6 | 16.0 โ better |
| Further details โ not scored | ||
| Size | 4 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Shanghai Ziye Network Technology Co., Ltd | Gigabyte LLC |
In-app purchases
Echo Drop
No in-app purchases
Sky Stack
- 500 coins$1.99
- Style Pack Celestial$1.99
- Starter Bundle$2.99
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- Piggy Bank$2.99
- Remove Ads$3.99
- 1400 coins$4.99
- Season Pass$5.99
- 3500 Coins$9.99
- 8000 Coins$19.99
- 25000 Coins$49.99









