Comparison

Crystal Chaos vs Reef King

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

Head to head
About

Crystal Chaos

Channel ancient energy to build a powerful spellbound defense. Infuse a living crystal orb with various spells, discover rare enchantments, and combine effects to create devastating magical combos. Upgrade spells to unleash screen-shattering arcane explosions.

Highlights
  • Infuse orb with spells
  • Discover rare enchantments
  • Combine spell effects
  • Upgrade spells with modifiers
  • Arcane defense gameplay
Features
Read full description

Choose your spells wisely and unleash arcane chaos with the power of a living crystal orb! Channel ancient energy and build your ultimate spellbound defense. * Infuse the orb with powerful spells - firestorm, lightning chains, starlight bite, and more. * Discover rare enchantments and combine spell effects to create devastating magical combos. * Upgrade your spells with wild modifiers, evolving simple sparks into screen-shattering arcane explosions.

About

Reef King

A relaxing yet strategic territory game where land meets sea. Expand your territory, evolve your units, and use the changing shoreline to your advantage. Master the tide and conquer both land and ocean.

Highlights
  • Dynamic tide system
  • Unit evolution
  • Split map strategy
  • Territory expansion
  • Casual yet strategic gameplay
Features
Read full description

Control the shore. Conquer the reef. Master the tide. Reef King is a relaxing yet strategic territory game where land meets sea. Half the map is ocean, half is beach — and the tide is always moving. Expand your territory, evolve your units, and use the changing shoreline to your advantage. Dynamic Tide System The waterline constantly shifts. Fish units cannot cross onto dry land, and your ground units cannot advance into deep water — unless they evolve far enough. Evolve to Advance Your units start limited. Upgrade and evolve them to push deeper into the ocean and unlock new strategic opportunities. Split Map Strategy The battlefield is divided between water and shore. Timing your expansion with the tide creates constantly changing tactics. Casual but Clever Gameplay Simple to learn, satisfying to watch, and surprisingly strategic. Whether you enjoy idle territory games, relaxing strategy experiences, or ocean-themed conquest, Reef King delivers a fresh twist with its evolving tide mechanic. Rule the shore. Master the ocean. Become the Reef King.

Screenshots

Crystal Chaos4 screens
Reef King4 screens

Verdict

The call

The clearest difference is ads: Reef King at none against Crystal Chaos's shown. Reef King also leads on update cadence (every 3 days vs every 2 months) and monetization model (free vs ad-supported). Crystal Chaos's advantage is review sentiment (25% vs 0%). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Crystal Chaos ships an update every 2 months, Reef King every 3 days. The most recent releases landed on June 1, 2026 and June 28, 2026 respectively.

Scorecard5 real differences · 5 level
Crystal Chaos versus Reef King: the parameters behind the verdict, then further details
ParameterCrystal ChaosReef King
PriceFreeFree
Rating4.0 (1 ratings) — better
Positive reviews25.0% of reviews — better0.0% of reviews
Number of ratings1 — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size198 MB179 MB
Age rating12+9+
DeveloperLucky Kat StudiosTalha Ekren

Customer experience

Crystal Chaos

All ratings3 ratings
Positive0.0%
Neutral33.3%
Negative66.7%
Written reviews4 reviews
Positive25.0%
Neutral25.0%
Negative50.0%

Reef King

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

Crystal Chaos

No in-app purchases

None

Reef King

No in-app purchases

Questions

Is Crystal Chaos free?
Crystal Chaos is free to download, with no in-app purchases.
Is Reef King free?
Reef King is free to download, with no in-app purchases.
Do Crystal Chaos or Reef King have ads?
Crystal Chaos shows ads; Reef King does not.
Which is updated more often, Crystal Chaos or Reef King?
Crystal Chaos ships an update every 2 months, and Reef King every 3 days. Most recently, Crystal Chaos was updated on June 1, 2026 and Reef King on June 28, 2026.

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