Comparison

The Merge Spire vs Stack Star

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

Head to head
About

The Merge Spire

Features
Read full description

THE MERGE SPIRE - Strategic Block Puzzle Adventure Master strategic placement, trigger massive chain reactions, and discover powerful augment combinations to reach unprecedented heights. CORE GAMEPLAY - Place blocks on 3 towers with gravity-based stacking - Merge identical blocks to level up (1, 2, 3... up to 999!) - Trigger automatic chain fusions for explosive combos - Strategic tower management with 15 total slots SPECIAL BLOCKS (11 Types) Strategic Tools: - Bomb: Destroy blocks instantly - Catalyst: Force merge with bonus levels - Swap: Pull blocks from below - Adaptive: Match any block level High-Risk, High-Reward: - Freeze: Lock tower for 3 turns, then +1 to all - Cursed: Powerful blocks (Lv.6-8) but locks tower for 5 turns AUGMENT SYSTEM (33 Unique Powers) Unlock permanent upgrades at milestones (Lv.10, 20, 30, 35, 40): - Dice: Reroll blocks every 10 turns - Clairvoyance: Preview 5 blocks instead of 3 - Ice Age: Frozen blocks grow stronger over time - Necromancer: Transform curses into opportunities - Super Catalyst: 5-chain rewards grant powerful catalysts Build devastating combos: - Chain Boost + Super Catalyst = Infinite power scaling - Ice Age + Refrigerator = Growing fortress strategy - Bomb Maniac + Sniper = Precision destruction CHAIN SYSTEM Create cascading merges for massive rewards: - 3-Chain: 1-2 special blocks - 4-Chain: 2-3 special blocks - 5-Chain: 3-4 special blocks + Super Catalyst or Super Bomb! Feel the satisfaction with haptic feedback and visual effects! DIFFICULTY CURVE - Early Game (0-30 turns): Learn mechanics with 70% helpful blocks - Mid Game (31-99 turns): Balance strategy and risk (45%/55% split) - Late Game (100+ turns): Hell mode with 65% high-risk blocks! VISUAL PROGRESSION Watch your blocks evolve through stunning visual tiers: - Lv.1-30: Classic colorful blocks - Lv.31-50: Rainbow gradient spectrum - Lv.51-70: Luxurious gold shine - Lv.71-100: Elite platinum glow - Lv.101+: Legendary diamond sparkle COMPETE & SHARE - Global leaderboard with max rank tracking - Show off your augment builds to other players - Challenge your personal best: highest level & longest survival PERFECT FOR - Puzzle game enthusiasts who love strategic depth - 2048 fans seeking fresh challenges - Players who enjoy roguelike progression systems - Anyone craving satisfying chain reaction gameplay FEATURES - 7 Languages: English, Korean, Japanese, Chinese, Spanish, Portuguese, German - Offline play supported - No energy system - play as much as you want! - Regular updates with new augments and features Download now and see how high you can build your Spire!

About

Stack Star

A satisfying puzzle game where players strategically move colorful blocks between columns to organize them by color. It offers hundreds of handcrafted logic puzzles with simple-to-learn yet challenging gameplay that rewards careful planning.

Highlights
  • Unique color stacking gameplay
  • Organize blocks by color
  • Hundreds of logic puzzles
  • Easy to learn, challenging to master
  • Smooth animations
  • Discover new mechanics
Features
Read full description

Stack Star Think ahead, stack smart, and master every puzzle! Welcome to Stack Star, a fresh and satisfying puzzle experience where strategy is the key to success. Move colorful blocks between columns and organize them by color. Every decision matters as you plan the perfect sequence to complete each level. Simple to learn yet full of clever challenges, Stack Star offers relaxing gameplay that rewards smart thinking and careful planning. Features * Unique color stacking gameplay * Organize blocks into matching color columns * Hundreds of handcrafted logic puzzles * Easy to play, challenging to master * Smooth animations and satisfying interactions * Discover new mechanics as you progress * Perfect for quick sessions or long puzzle marathons Can you find the perfect strategy and complete every level? Download Stack Star today and put your puzzle skills to the test!

Screenshots

The Merge Spire4 screens
Stack Star4 screens

Verdict

The call

The clearest difference is in-app purchases: The Merge Spire at none against Stack Star's 10. The Merge Spire also leads on ads (none vs shown) and update cadence (every 6 days vs every 3 weeks). On price, device support and iOS requirement 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. Stack Star sells 10 one-off in-app purchases. The Merge Spire asks for nothing beyond the download.

UpkeepUpdate frequency

The Merge Spire ships an update every 6 days, Stack Star every 3 weeks. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 6 level
The Merge Spire versus Stack Star: the parameters behind the verdict, then further details
ParameterThe Merge SpireStack Star
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 6 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size51 MB361 MB
Age rating4+4+
DeveloperYejoon kimMoonstep Games

In-app purchases

None

The Merge Spire

No in-app purchases

10 purchases

Stack Star

One-time10
  • Starter Pack$0.99
  • Star Bundle$4.99
  • No Ads$7.99
Show 7 more
  • Super Bundle$9.99
  • Mega Bundle$19.99
  • 25000 Coins$29.99
  • Giant Bundle$49.99
  • 50000 Coins$59.99
  • 100000 Coins$89.99
  • Ultimate Bundle$99.99

Questions

Is The Merge Spire free?
The Merge Spire is free to download, with no in-app purchases.
Is Stack Star free?
Stack Star is free to download, with in-app purchases available.
Do The Merge Spire or Stack Star have ads?
Stack Star shows ads; The Merge Spire does not.
Which is updated more often, The Merge Spire or Stack Star?
The Merge Spire ships an update every 6 days, and Stack Star every 3 weeks. Most recently, The Merge Spire was updated on October 28, 2026 and Stack Star on November 5, 2026.

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