Comparison

RGB Block Puzzle vs Stack Em! Cosmic Blocks

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

RGB Block Puzzle

Engage in a relaxing block-puzzle experience with satisfying combos and colorful board clears. Choose between a timeless Classic Mode or an objective-driven Arcade Mode with progression and challenges. Customize your game with unique themes and utilize optional boosters to enhance your strategy.

Highlights
  • Classic Mode with no time limit
  • Arcade Mode with objectives and progression
  • Satisfying combos and full-clear moments
  • Rotatable pieces and sealed-block challenges
  • Customizable colors and visual themes
  • Optional boosters and in-game currency
Features
Read full description

Relax. Plan. Clear the board. RGB Block Puzzle brings calm block-puzzle play, satisfying combos, and colorful full-clear moments together in one game. It is easy to pick up, but every move matters if you want to master it. TWO WAYS TO PLAY CLASSIC MODE Play at your own pace with no time limit. Place blocks, clear rows and columns, protect your open space, and push your high score. When Game Center is available, compete on the leaderboard and unlock 12 achievements. ARCADE LEVEL MODE Progress across the map and adapt to a different objective in every level. Plan around limited moves, complete goals, break sealed blocks, rotate pieces, earn stars, and unlock new levels. MAKE IT YOURS Use Theme Studio to customize board cells, backgrounds, and block colors. Your designs stay on your device; they are not uploaded or shared. OPTIONAL BOOSTERS Earn RGB Coins by completing Arcade levels and collecting bonus rewards, or choose an optional fixed-amount RGB Coin pack. Spend your Coins in RGB Market on boosters that fit your strategy and keep them in your inventory. Boosters are optional; core gameplay does not require a purchase. WHY RGB BLOCK PUZZLE? • Relaxing Classic Mode with no time pressure • Arcade Mode with objectives, move limits, lives, and progression • Satisfying combos and full-clear moments • Rotatable pieces and sealed-block challenges • Custom colors and visual themes • Optional Game Center leaderboard and 12 achievements • Play at your own pace without forced interstitial ad breaks Core gameplay is available offline. Game Center, ads, purchases, and external links may require an internet connection. Open the board for a short break or settle in for a long high-score run. Every game brings a new decision. Every move creates a new opportunity. Download now and start clearing the board! Privacy Policy: https://tytrgames.com/privacy-policy/

About

Stack Em! Cosmic Blocks

A relaxing block puzzle game designed for short play sessions. Drag and drop pieces to complete rows and columns, clear space, and aim for high scores. Enjoy satisfying visual and audio feedback with multiple themes.

Highlights
  • Ad-free gameplay
  • Fast offline play
  • No account required
  • Smooth drag-and-drop controls
  • Satisfying clears and combos
  • Multiple unlockable themes
Read full description

Stack Em! is a clean, satisfying block puzzle built for quick sessions. Drag pieces onto the board, complete rows and columns, clear space, and chase a higher score. Features: • Ad Free! Just Play • Fast offline gameplay • No account required • Smooth drag-and-drop block placement • Satisfying clears, combos, sound, and haptics • Multiple visual themes to unlock and enjoy Play at your own pace, restart instantly, and keep improving your best run.

Screenshots

RGB Block Puzzle4 screens
Stack Em! Cosmic Blocks4 screens

Verdict

The call

The clearest difference is in-app purchases: Stack Em! Cosmic Blocks at none against RGB Block Puzzle's 4. Stack Em! Cosmic Blocks also leads on ads (none vs shown). RGB Block Puzzle's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RGB Block Puzzle sells 4 one-off in-app purchases. Stack Em! Cosmic Blocks asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for RGB Block Puzzle against 5.0 for Stack Em! Cosmic Blocks. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

RGB Block Puzzle ships an update every 4 days, Stack Em! Cosmic Blocks every 3 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 4 level
RGB Block Puzzle versus Stack Em! Cosmic Blocks: the parameters behind the verdict, then further details
ParameterRGB Block PuzzleStack Em! Cosmic Blocks
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyEvery 4 daysEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size68 MB31 MB
Age rating4+4+
DeveloperTOLGA YILMAZJMM Technologies

In-app purchases

4 purchases

RGB Block Puzzle

One-time4
  • Small RGB Coin Pack$1.99
  • Medium RGB Coin Pack$3.99
  • Large RGB Coin Pack$9.99
Show 1 more
  • XLarge RGB Coin Pack$19.99
None

Stack Em! Cosmic Blocks

No in-app purchases

Questions

Is RGB Block Puzzle free?
RGB Block Puzzle is free to download, with in-app purchases available.
Is Stack Em! Cosmic Blocks free?
Stack Em! Cosmic Blocks is free to download, with no in-app purchases.
Which has better reviews, RGB Block Puzzle or Stack Em! Cosmic Blocks?
RGB Block Puzzle and Stack Em! Cosmic Blocks are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do RGB Block Puzzle or Stack Em! Cosmic Blocks have ads?
RGB Block Puzzle shows ads; Stack Em! Cosmic Blocks does not.
Which is updated more often, RGB Block Puzzle or Stack Em! Cosmic Blocks?
RGB Block Puzzle ships an update every 4 days, and Stack Em! Cosmic Blocks every 3 days. Most recently, RGB Block Puzzle was updated on October 28, 2026 and Stack Em! Cosmic Blocks on October 24, 2026.

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