Comparison

WormGears Brain vs Hidden Chess

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

Head to head
About

WormGears Brain

Read full description

WormGears — Gear Puzzle Challenge Place blocks, connect gears, and power up every target to solve the puzzle! WormGears is a brain-teasing puzzle game inspired by classic gear toys. Drag and rotate colorful blocks onto a grid to build gear transmission chains — connect power gears to target gears and watch them spin to life. HOW TO PLAY • Drag blocks with gears onto the grid • Rotate and position them to form continuous gear chains • Power must flow from power gears to all target gears • Solve the puzzle before time runs out! FEATURES • 100 handcrafted puzzle levels • Progressive difficulty from beginner to expert • 6 unique block shapes with multiple gear configurations • Intuitive drag-and-drop controls • Built-in hint system when you get stuck • Grid sizes from 3Ɨ3 to 8Ɨ8 for increasing challenge FOR ALL AGES Easy to learn, hard to master. Perfect for kids developing spatial reasoning and adults who love logic puzzles. Each level has a guaranteed solution — can you find it? Challenge your brain with WormGears today!

About

Hidden Chess

Features
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Hidden Chess: Shadow Chess reinvents traditional chess with a unique hidden-piece system that turns every match into a battle of strategy, memory, and deduction. Unlike classic chess, most pieces begin the game hidden. Their identities remain unknown until they make their first move. Combined with randomized starting positions, every match becomes an unpredictable challenge where adaptation matters more than memorized openings. A New Chess Experience Traditional chess rewards preparation and opening knowledge. Hidden Chess rewards creativity, observation, and strategic thinking. Key Rules: • Most pieces start hidden • Pieces reveal themselves after moving • Randomized starting arrangements • Standard chess movement and capture rules • Every game offers a unique challenge Think Ahead, Adapt Faster Every move contains uncertainty. Is that hidden piece a powerful attacker or a harmless decoy? Should you take the risk or play safely? Success requires: • Strategic planning • Memory and observation • Tactical decision-making • Reading your opponent • Adapting to unexpected situations Game Features • Innovative hidden-piece chess gameplay • Play against AI opponents • Challenge real players • Fast and smooth controls • Clean and modern interface • Endless strategic possibilities Perfect For • Chess players seeking a fresh challenge • Fans of strategy and board games • Players who enjoy deduction and mind games • Anyone looking for a new chess experience Every piece hides a secret. Every move changes the board. Can you master the shadows?

Screenshots

WormGears Brain4 screens
Hidden Chess4 screens

Verdict

The call

The clearest difference is in-app purchases: WormGears Brain at none against Hidden Chess's 7. Hidden Chess's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Hidden Chess sells 7 one-off in-app purchases. WormGears Brain asks for nothing beyond the download.

Scorecard2 real differences Ā· 4 level
WormGears Brain versus Hidden Chess: the parameters behind the verdict, then further details
ParameterWormGears BrainHidden Chess
PriceFreeFree
Update frequency—Monthly
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size191 MB207 MB
Age rating12++17
DeveloperKa Chun CHEUNGApollo Software Pte Ltd

In-app purchases

None

WormGears Brain

No in-app purchases

7 purchases

Hidden Chess

One-time7
  • Coin1$1.99
  • Coin2$2.99
  • Coin3$4.99
Show 4 more
  • Coin4$7.99
  • Coin5$11.99
  • Coin6$19.99
  • Coin7$29.99

Questions

Is WormGears Brain free?
WormGears Brain is free to download, with no in-app purchases.
Is Hidden Chess free?
Hidden Chess is free to download, with in-app purchases available.
Do WormGears Brain or Hidden Chess have ads?
Both WormGears Brain and Hidden Chess show ads.

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