Comparison

UBoat Commander vs Castle Fight!

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

Head to head
About

UBoat Commander

Command a World War II submarine, navigating the ocean depths to hunt enemy ships and convoys. Strategize your attacks with torpedoes and stealth, then upgrade your vessel for enhanced speed, armor, and weaponry to survive intense naval battles.

Highlights
  • Command a WW2 submarine
  • Hunt enemy ships and convoys
  • Navigate surface and underwater
  • Upgrade submarine speed, armor, stealth
  • Unlock new weapons and abilities
  • Complete diverse missions
Features
Read full description

Command Your Submarine in WW2 Battles Take control of a powerful submarine and dominate the seas in World War II naval warfare. Dive deep, hunt enemy ships, and strike with torpedoes. Every mission is a test of strategy, precision, and survival. Real Submarine Experience Navigate on the surface or dive underwater Control speed, direction, and depth Avoid detection and attack at the right moment Naval Combat Sink enemy warships and convoys Fight against aircraft and patrol forces Use torpedoes and positioning Upgrade Your Submarine Improve speed, armor, and stealth Unlock new weapons and abilities Customize your submarine Missions Destroy convoys Survive enemy attacks Complete objectives Become the Hunter of the Seas Plan your attack, stay hidden, and strike when the enemy least expects it. The ocean is your battlefield.

About

Castle Fight!

Features
Read full description

Castle Fight - Sky-high castles. Deadly aim. One survivor. Take command of a flying war castle. Pick your troops. Choose your ultimate weapon. Aim true and crush the enemy fortress before they shoot yours from the sky. FLYING CASTLE WARFARE Forget ground battles. Two airborne castles face off across the clouds. Every shot counts. Every troop choice matters. Whoever has more HP when time runs out wins. AIM, FIRE, DOMINATE This isn't just tap-to-deploy. You aim every shot. Lead your targets. Predict enemy moves. Land the perfect arc with your catapult or rip through walls with a fire barrel. Precision wins wars. PICK THE RIGHT TROOPS Not every weapon fits every fight. Scout the enemy. Read the battle. Choose: - Archers for fast pressure - Cannons for raw damage - Spear throwers for piercing shots - Catapults for area destruction - Bombthrowers for chaos - Fire Barrels for wall-burn - Shields for defense - Smoke for tactical cover UNLEASH THE ULTIMATE Charge your meter mid-battle and unleash a devastating ULTIMATE weapon. Pick wisely - the right ultimate at the right second turns the tide instantly. HIGHEST HP WINS No stalemates. No draws. When the round ends, the castle with more health takes the crown. Defend smart. Attack smarter. BUILD YOUR 5-CARD DECK Forge your battle deck before takeoff. Mix attackers, defenders, and ultimates. The deck IS your strategy. INFINITE WEAPON UPGRADES Every weapon levels up forever. Boost damage, health, firing power, range, cooldown. Watch your weapons visually evolve at higher tiers. EARN, UNLOCK, CONQUER Win battles. Collect coins. Unlock new weapon cards. Spot the NEW badge on fresh gear and add it straight to your deck. STUNNING TOON-SHADED VISUALS Hand-crafted flying castles, juicy destruction physics, satisfying haptic feedback on every hit. KEY FEATURES - Aerial castle vs castle combat - Skill-based aiming system - Ultimate weapon meter - Highest-HP-wins ruleset - 8+ unique troops and weapons - Custom 5-card battle deck - Infinite weapon upgrade tree - Unlock cards via drops - Offline play - no Wi-Fi needed - Free to download FOR FANS OF Tower defense, castle clash, kingdom battles, aim-based shooters, stick war, archer arena, medieval strategy, deck builders. Take the skies. Aim true. Outlast every enemy castle. - Jbm360 Studios

Screenshots

UBoat Commander4 screens
Castle Fight!4 screens

Verdict

The call

The clearest difference is in-app purchases: Castle Fight! at none against UBoat Commander's 2. On price, update cadence, ads and device support 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. UBoat Commander sells 2 one-off in-app purchases. Castle Fight! asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
UBoat Commander versus Castle Fight!: the parameters behind the verdict, then further details
ParameterUBoat CommanderCastle Fight!
PriceFreeFree
Rating3.3 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 daysEvery 4 days
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size406 MB455 MB
Age rating4+9+
DeveloperIvan TrafimovichBhanuben Patel

In-app purchases

2 purchases

UBoat Commander

One-time2
  • No ads package$2.99
  • VIP USS Gato submarine package$12.99
None

Castle Fight!

No in-app purchases

Questions

Is UBoat Commander free?
UBoat Commander is free to download, with in-app purchases available.
Is Castle Fight! free?
Castle Fight! is free to download, with no in-app purchases.
Do UBoat Commander or Castle Fight! have ads?
Both UBoat Commander and Castle Fight! show ads.
Which is updated more often, UBoat Commander or Castle Fight!?
UBoat Commander ships an update every 4 days, and Castle Fight! every 4 days. Most recently, UBoat Commander was updated on November 5, 2026 and Castle Fight! on October 31, 2026.

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