Comparison

Blockflow 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

Blockflow

Engage in a classic block puzzle game with a twist: compete for real cash prizes weekly. Master 24 unique shapes across 96 adventure levels with no pay-to-win mechanics. Choose from free play, ad-free, or pro versions with premium themes and features.

Highlights
  • Weekly $25 cash prize
  • Classic 8x8 block puzzle gameplay
  • 96 adventure levels
  • Global leaderboard competition
  • Multiple themes available
  • No pay-to-win mechanics
Features
Read full description

Blockflow is the block puzzle game that respects your time and wallet PLAY TO WIN — FREE •$25 cash prize every week •FREE to enter — no purchase required •Compete on the global leaderboard •Skill wins, not spending SIMPLE GAMEPLAY •Classic 8x8 block puzzle mechanics •24 unique piece shapes to master •Clear rows and columns to score •Build combos for bonus points 96ADVENTURE LEVELS •Progressive challenges with star ratings •Test your skills across unique puzzles •Perfect for quick sessions or long plays CHOOSE YOUR EXPERIENCE Free — $0 •Full Classic and Adventure modes •Compete for weekly prize •Zen theme included Ad-Free — $9.99 one-time •Remove ads forever •No subscription, no recurring charges •One payment, done Pro — $2.99/month or $19.99/year •Everything ad-free plus: •All 4 premium themes (Zen, Dark, Neon, Pastel) •Gold name on leaderboards •Pro badge next to your name •Detailed competition statistics •iCloud progress sync •Early access to new features FAIR COMPETITION •Anti-cheat protected leaderboards •Game Center integration Everyone can win — free or paid BEAUTIFUL DESIGN •Stunning visuals with smooth animations •4 premium themes to match your style •Satisfying haptic feedback •60fps gameplay No pay-to-win mechanics. No energy timers. No coin packs. Just pure puzzle fun. Download now and see why players are switching from other puzzle games. FAIR COMPETITION •Anti-cheat protected leaderboards •Game Center integration •Everyone can win — free or paid BEAUTIFUL DESIGN •Stunning visuals with smooth animations •4 premium themes to match your style •Satisfying haptic feedback •60fps gameplay No pay-to-win mechanics. No energy timers. No coin packs. Just pure puzzle fun. Terms of use: https://monarchlegacy2025.github.io/blockflow/terms.html

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

Blockflow4 screens
Stack Em! Cosmic Blocks4 screens

Verdict

The call

The clearest difference is in-app purchases: Stack Em! Cosmic Blocks at none against Blockflow's 4. Stack Em! Cosmic Blocks also leads on ads (none vs shown). 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. Blockflow sells 4 in-app purchases, starting at $2.99 per month. 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 Blockflow against 5.0 for Stack Em! Cosmic Blocks. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Blockflow ships an update weekly, Stack Em! Cosmic Blocks every 3 days. Both last shipped on October 31, 2026.

Scorecard3 real differences · 6 level
Blockflow versus Stack Em! Cosmic Blocks: the parameters behind the verdict, then further details
ParameterBlockflowStack Em! Cosmic Blocks
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyWeeklyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size10 MB31 MB
Age rating12+4+
DeveloperMonarch LegacyJMM Technologies

Customer experience

Blockflow

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Stack Em! Cosmic Blocks

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Blockflow

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Annual$19.991 Year
One-time2
  • Keep Ad-Free$4.99
  • Ad-Free Forever$9.99
None

Stack Em! Cosmic Blocks

No in-app purchases

Questions

Is Blockflow free?
Blockflow 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, Blockflow or Stack Em! Cosmic Blocks?
Blockflow and Stack Em! Cosmic Blocks are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Blockflow or Stack Em! Cosmic Blocks have ads?
Blockflow shows ads; Stack Em! Cosmic Blocks does not.
Which is updated more often, Blockflow or Stack Em! Cosmic Blocks?
Blockflow ships an update weekly, and Stack Em! Cosmic Blocks every 3 days. Most recently, Blockflow was updated on October 31, 2026 and Stack Em! Cosmic Blocks on October 31, 2026.

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