Comparison

Castle Rivals vs Splash! Duck Math Puzzle

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

Head to head
About

Castle Rivals

Engage in fast-paced PvP battles by building defenses and firing cannons to destroy enemy castles. Utilize physics-based destruction and strategic hero abilities to outmaneuver opponents. Every shot counts in this skill-based combat game.

Highlights
  • Physics-based destruction
  • Skill-based cannon combat
  • Unique heroes with special abilities
  • Strategic gameplay
  • Upgradeable castles
  • Epic castle battles
Features
Read full description

Build your defenses, load the cannon, and destroy the enemy castle before they destroy yours! Castle Rivals is a fast-paced PvP destruction game where precision, strategy, and timing decide the battle. Command powerful heroes, fire devastating weapons, and watch enemy fortresses collapse with fully physics-based destruction. Every shot matters. Aim for structural weak points, bring down towers, and turn the enemy castle into rubble before your own defenses fall. FEATURES Epic Castle Battles Face off against enemy castles in intense PvP duels where only one fortress survives. Physics-Based Destruction Blast walls, collapse towers, and watch entire castles crumble realistically. Skill-Based Cannon Combat Aim carefully, adjust your shots, and exploit weak points to cause massive damage. Unique Heroes Unlock heroes with powerful weapons and special abilities. Each hero changes how you attack the enemy castle. Strategic Gameplay Choose the right hero and target the right structure to trigger devastating chain reactions. Upgradeable Castles Strengthen your defenses and make your fortress harder to destroy. Satisfying Destruction Every battle is different as structures collapse and battles unfold dynamically. Do you have the skill to bring down the enemy fortress before yours falls? Load the cannon. Take aim. Destroy the castle.

About

Splash! Duck Math Puzzle

A number puzzle game where you catch ducks with numbers that add up to a target sum before the pond overflows. It offers a fun way to practice mental math, concentration, and reflexes for all ages.

Highlights
  • Catch numbered ducks to match target sums
  • Avoid overflowing the pond
  • Progressive difficulty with varied challenges
  • Daily challenges and global leaderboards
  • Unlockable duck skins
  • Brain training for mental math and reflexes
Features
Read full description

Numbers are floating away — catch the right ducks before the pond overflows! Splash! is the number puzzle that gets under your skin. A target number sits in the middle of the pond. Tap the numbered ducks whose sum is EXACTLY that number — 9 + 12 = 21, splash, they're gone! Sounds easy? New ducks keep paddling in, and if the pond fills up… it's game over. No pen, no paper, just your eyes and quick mental math. Learn in 5 seconds, master in a lifetime. - SIMPLE TO LEARN, HARD TO PUT DOWN Tap ducks that add up to the target. Go over the number and you get a red cross — three crosses and you're out. One rule, endless tension. - IT GETS SMARTER, NOT JUST FASTER - Start easy: find two ducks that match. - Then the target becomes a puzzle to solve in your head: 7×4, 84÷2, 13+14. - Golden ducks double your score. - Frozen ducks hide their number under ice — tap to crack it. - Bomb ducks: use them before the fuse runs out… or BOOM. - Elite timer for the pros who camp on high scores. - DAILY CHALLENGE — EVERYONE, SAME GAME Every day, one seeded run shared by all players worldwide. Same ducks, same targets — pure skill. Beat your friends and climb the leaderboard. - COLLECT THE DUCKS Unlock 5 duck skins — Classic, Pinky, Mint, Midnight and the shiny Golden Duck. Earn coins every run and treat yourself. - CHALLENGES & MISSIONS Fresh daily missions plus long-term career goals. A daily gift that grows with your streak. Always a reason to come back. - BRAIN TRAINING THAT FEELS LIKE PLAY Mental math, focus, reflexes — Splash! sharpens all three without ever feeling like homework. Great for the whole family — brush up your times tables, keep your mind sharp, and chase that satisfying combo. Feel the rush: coins flying, combos exploding on screen, that perfect little "splash" every time you clear a group. Free to play. No ads? One-time "No Ads" pack removes forced ads and gifts you 1000 coins. Dive in — the ducks are waiting.

Screenshots

Castle Rivals4 screens
Splash! Duck Math Puzzle4 screens

Verdict

The call

The clearest difference is review sentiment: Splash! Duck Math Puzzle at 100% against Castle Rivals's 40%. Splash! Duck Math Puzzle also leads on in-app purchases (none vs 10). Castle Rivals's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads 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. Castle Rivals sells 10 one-off in-app purchases. Splash! Duck Math Puzzle asks for nothing beyond the download.

Scorecard5 real differences · 5 level
Castle Rivals versus Splash! Duck Math Puzzle: the parameters behind the verdict, then further details
ParameterCastle RivalsSplash! Duck Math Puzzle
PriceFreeFree
Rating4.5 (2.2K ratings) — better—
Positive reviews39.8% of reviews100.0% of reviews — better
Number of ratings2.2K — better—
Update frequencyEvery 9 days—
AdsYesYes
In-app purchasesYesNo — better
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size512 MB7 MB
Age rating9+4+
DeveloperVoodooHassan Karam

Customer experience

Castle Rivals

All ratings1,638 ratings
Positive87.4%
Neutral8.1%
Negative4.5%
Written reviews98 reviews
Positive39.8%
Neutral22.4%
Negative37.8%

Splash! Duck Math Puzzle

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Castle Rivals

One-time10
  • Starter Pack$1.99
  • Hero Boost$3.99
  • Small Gem Package$4.99
Show 7 more
  • Champion Pack$4.99
  • Medium Gem Package$9.99
  • Arena Pack$9.99
  • Moon Maiden Offer$9.99
  • Battle Pass$9.99
  • Forge Pass$14.99
  • Large Gem Package$19.99
None

Splash! Duck Math Puzzle

No in-app purchases

Questions

Is Castle Rivals free?
Castle Rivals is free to download, with in-app purchases available.
Is Splash! Duck Math Puzzle free?
Splash! Duck Math Puzzle is free to download, with no in-app purchases.
Do Castle Rivals or Splash! Duck Math Puzzle have ads?
Both Castle Rivals and Splash! Duck Math Puzzle show ads.

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