Comparison

Crystal Siege vs Turret Defense King

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

Head to head
About

Crystal Siege

This game combines tower defense with RPG elements, allowing players to actively control a hero or support towers with spells. Unique map events and epic loot add depth to strategic combat against monster hordes.

Highlights
  • Active combat with hero control
  • Summon defensive towers
  • Support towers with spells
  • Unique map events and environmental interaction
  • Collect epic loot and equipment
  • Elemental spell mastery
  • Epic boss battles
Features
Read full description

A stunning Tower Defense and RPG hybrid with incredible attention to detail. ++ ACTIVE COMBAT Control your avatar and engage head-on with gruesome monsters while summoning defensive towers - or choose to observe the fight from a distance and support your towers with mighty spells. Your best strategy will completely destroy the demonic horde. ++ UNIQUE MAP EVENTS Investigate the surroundings and use them to your advantage. In the land of Crystal Siege each battlefield is different and unique. Smash bridges, freeze the water, trigger a mighty avalanche - only if you master each maps quirks and secrets you shall be victorious. ++ EPIC LOOT Nothing beats proper loot and epic equipment. Find the best weapons and armor to become a living legend! Are you up for the task, oh mighty hero of legend? - Unique blend between TD and RPG - Responsive and easy to master touch controls - Spot-on audio-visual experience - Jaw dropping retina graphics - Millions of unique items for your hero - Master over a dozen mighty elemental spells - Breathtaking boss battles - Unfold an epic story

About

Turret Defense King

Engage in strategic tower defense battles with high-quality graphics and diverse towers. Destroy objects to gather resources and upgrade your defenses as you progress through stages. Master precise strategy by selecting the right tower for each challenge to achieve victory.

Highlights
  • Strategic defense gameplay
  • High-quality graphics
  • Various towers and maps
  • Unique battles with boost items
  • Resource acquisition and upgrades
  • Stage-specific tower placement
Features
Read full description

A strategy tower defense game with various items! Join now! Game Introduction - Easy controls! Precise strategy! Various towers and maps are available. Game Features - Enjoy strategic defense with high-quality graphics, and experience unique battles using various boost items and defense towers. Destroy objects to acquire resources, and as you progress through the stages, the rewards will upgrade! The key is to use the right tower for each stage! Strategically place towers with different abilities to achieve victory! Help : cs@mobirix.com Facebook : https://www.facebook.com/mobirixplayen YouTube : https://www.youtube.com/user/mobirix1 Instagram : https://www.instagram.com/mobirix_official/ TikTok : https://www.tiktok.com/@mobirix_official [Subscription Service] 1) Monthly Subcription (Month) - Remove Ads (1 Month) - Receive 1 Hammer per day - \6,000(KRW) Monthly (Price may vary by location) 2) Yearly Subcription (Year) - Remove Ads (1 Year) - Receive 1 Hammer per day - \30,000(KRW) Yearly (Price may vary by location) - Terms of Use : https://www.mobirix.com/policyn.html - Privacy Policy : http://www.mobirix.com/policykr.html - Apple EULA : https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Crystal Siege4 screens
Turret Defense King4 screens

Verdict

The call

The clearest difference is review sentiment: Crystal Siege at 92% against Turret Defense King's 47%. Crystal Siege also leads on rating (4.6 vs 3.9) and ads (none vs shown). Turret Defense King's advantage is update cadence (every 3 weeks vs every 5 months). On price, ratings volume, in-app purchases and monetization model 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. Crystal Siege sells 7 one-off in-app purchases and Turret Defense King sells 12 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Crystal Siege holds the better App Store score, 4.6 against 3.9. Both are backed by a comparable volume of ratings — 73 and 147 respectively. Written reviews point the same way: 92% of Crystal Siege's written reviews are positive against 47% of Turret Defense King's.

UpkeepUpdate frequency

Crystal Siege ships an update every 5 months, Turret Defense King every 3 weeks. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

Scorecard5 real differences · 5 level
Crystal Siege versus Turret Defense King: the parameters behind the verdict, then further details
ParameterCrystal SiegeTurret Defense King
PriceFreeFree
Rating4.6 (73 ratings) — better3.9 (147 ratings)
Positive reviews92.2% of reviews — better47.3% of reviews
Number of ratings73147 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better15.0
Further details — not scored
Size324 MB234 MB
Age rating12+12+
DeveloperFDG Entertainment GmbH & Co.KGMOBIRIX

Customer experience

Crystal Siege

All ratings72 ratings
Positive94.4%
Neutral2.8%
Negative2.8%
Written reviews64 reviews
Positive92.2%
Neutral4.7%
Negative3.1%

Turret Defense King

All ratings145 ratings
Positive73.1%
Neutral8.3%
Negative18.6%
Written reviews112 reviews
Positive47.3%
Neutral17.0%
Negative35.7%

Bugs and requests

Crystal Siege

Reported bugs

3 issues
  • Game keeps freezing
  • Save file corrupted after crashing
  • Game stopped working mid-play

Requested features

3 requests
  • More maps/missions
  • Better in-game store equipment
  • Game updates

Turret Defense King

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Crystal Siege

One-time7
  • Pile of Gold$0.99
  • Starter Pack$1.99
  • Bag of Gold$2.99
Show 4 more
  • Warriors Anger Set$2.99
  • Heroes Faith Set$3.99
  • Emperors Relieve Set$4.99
  • Chest of Gold$5.99
12 purchases

Turret Defense King

Subscriptions2
  • Monthly Subscription$3.991 Month
  • Yearly Subscription$19.991 Year
One-time10
  • 2100 Gold$1.99
  • 3-Day Attendance Gift Package$1.99
  • 3500 Gold$2.99
Show 7 more
  • Item Package 01$2.99
  • 8000 Gold$6.99
  • Item Package 02$6.99
  • Item Package 03$12.99
  • 25000 Gold$19.99
  • 44000 Gold$34.99
  • 120000 Gold$69.99

Questions

Is Crystal Siege free?
Crystal Siege is free to download, with in-app purchases available.
Is Turret Defense King free?
Turret Defense King is free to download, with in-app purchases available.
Which has better reviews, Crystal Siege or Turret Defense King?
Crystal Siege is rated higher. Crystal Siege averages 4.6 out of 5 from 73 ratings, while Turret Defense King averages 3.9 from 147 ratings.
Do Crystal Siege or Turret Defense King have ads?
Turret Defense King shows ads; Crystal Siege does not.
Which is updated more often, Crystal Siege or Turret Defense King?
Crystal Siege ships an update every 5 months, and Turret Defense King every 3 weeks. Most recently, Crystal Siege was updated on November 1, 2026 and Turret Defense King on October 27, 2026.

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