Comparison

Defense Zone HD vs E.L.D. TD

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

Head to head
About

Defense Zone HD

Command your turrets to defend against massive enemy hordes. Strategically upgrade veteran units or purchase new ones with earned resources. Choose the right weapons and placement to ensure a successful defense.

Highlights
  • Stunning level detail
  • In-depth gameplay
  • Massive enemy hordes
  • New weapons each level
  • Resource management
  • Variety of defense tactics
Features
Read full description

Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. During the game you will hold your defence with your turrets against the massive hordes of enemies. With every level you will have the use of new weapons at your command. It is up to you, commander, how to spend the resources: restore and upgrade your veteran units or to purchase some new ones. Different types of weaponry and landscape provide you with a variety of choices of defence tactics. Choosing the right weapons and the correct placement is key to any successful defence. The weapons have different firepower, rate of fire, firing range, blast radius and price.

About

E.L.D. TD

Engage in strategic tower defense by defending against alien hordes and attacking their teleports. Defeat bosses across various environments and unlock new weapons to overcome challenges. Combine turrets, skills, and strategies for a unique gaming experience.

Highlights
  • 20 HD Levels in 5 environments
  • 10 upgradable Defensive Turrets
  • 10 Attack Units
  • 19 different Enemies and Bosses
  • Sync progress across devices
  • Multiple difficulty levels
Features
Read full description

Enjoy this full strategic Tower Defence with something more. To complete each level you must defend from hordes of aliens and then attack their Teleports to stop them from coming. And, in the end, defeat the Bosses! Play the game in 3 difficult levels including Classic TD mode. Enjoy it's stunning animations for hours of gameplay. New weapons are unlocked winning battles but sometimes you'll need to unlock them earlier to complete some levels! Follow the in-game tips. Each level is perfectly balanced to ensure you the best gaming experience. Combine turrets, skills, strategies always in different ways to complete each level. Main features: - 20 HD Levels in 4 environments (Ice, Jungle, City, Mountain, Desert) + 20 Special Missions; - 10 Defensive Turrets upgradable in each sector (Power, Range, Fire Rate, ecc.); - 10 Attack Units; - 5 Defensive Special Weapons; - 19 different Enemies (Tanks, Mechs, Ships) + 19 Bosses; - 20 different Bases with their own Skills and Configurations; - 6 global Skills to improve your weapons; Sync your progress between all your devices. 5 languages available now (English, Italian, Spanish, French and German), and more to come. Leave us your feedback to help us improve the game. Good luck!

Screenshots

Defense Zone HD2 screens
E.L.D. TD3 screens

Verdict

The call

The clearest difference is price: E.L.D. TD at Free against Defense Zone HD's $2.99. E.L.D. TD also leads on update cadence (every 8 days vs every 3 months). Defense Zone HD's advantage is rating (4.7 vs 3.8) and in-app purchases (none vs 10). On review sentiment, ratings volume, 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

E.L.D. TD is free to download; Defense Zone HD costs $2.99 up front. E.L.D. TD sells 10 one-off in-app purchases. Defense Zone HD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Defense Zone HD holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews complicate that: 70% of Defense Zone HD's written reviews are positive against 71% of E.L.D. TD's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Defense Zone HD ships an update every 3 months, E.L.D. TD every 8 days. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Defense Zone HD versus E.L.D. TD: the parameters behind the verdict, then further details
ParameterDefense Zone HDE.L.D. TD
Price$2.99Free — better
Rating4.7 (7 ratings) — better3.8 (5 ratings)
Positive reviews69.9% of reviews71.4% of reviews — better
Number of ratings7 — better5
Update frequencyEvery 3 monthsEvery 8 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.412.0 — better
Further details — not scored
Size310 MB261 MB
Age rating12+12+
DeveloperArtem KotovElisa Benini

Customer experience

Defense Zone HD

All ratings7 ratings
Positive85.7%
Neutral14.3%
Negative0.0%
Written reviews133 reviews
Positive69.9%
Neutral10.5%
Negative19.5%

E.L.D. TD

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

Bugs and requests

Defense Zone HD

Reported bugs

20 issues
  • Save function bug overwrites game progress
  • Game crashes or freezes frequently
  • Incompatible with iOS 8
  • New levels are locked after updates
  • Targeting system is poorly programmed
Show 15 more
  • Screen blacks out after completing a level
  • App upgrades weapon instead of powering up when not zoomed
  • Game boots out to menu or locks up on newer devices
  • Portrait orientation bug after iOS 8 update
  • Game crashes on iPod Touch 4G
  • Save state lost when game is paged out of memory
  • Towers sometimes don't fire when they should
  • Not credited when enemies die
  • Game slows down with many enemies on screen
  • Graphics became mediocre after an update on iPad 2
  • Selection became difficult after an update
  • Progression lost after an update
  • Fixed side orientation is wrong way
  • Weapon selects itself when holding too long
  • First shot from rocket launcher causes lag

Requested features

10 requests
  • Add more levels
  • Add more weapon choices
  • Add a tutorial for beginners
  • Add an endless mode
  • Add player-controlled leveling for towers
Show 5 more
  • Add more upgrade options for weapons
  • Add a survival mode
  • Improve weapon targeting logic
  • Add more battlezones
  • Improve graphics and sound quality

E.L.D. TD

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Defense Zone HD

No in-app purchases

10 purchases

E.L.D. TD

One-time10
  • 20 resources$0.99
  • 40 resources$0.99
  • Restart level +2 rep +2x money$0.99
Show 7 more
  • Repair and Upgr. Towers to max$0.99
  • 50 resources$2.99
  • Lightning Tower + 30 resources$2.99
  • Hellcircle Tower + 30 res$3.99
  • 100 resources$4.99
  • 200 resources$9.99
  • 500 resources$17.99

Questions

Is Defense Zone HD free?
Defense Zone HD costs $2.99, with no in-app purchases.
Is E.L.D. TD free?
E.L.D. TD is free to download, with in-app purchases available.
Which has better reviews, Defense Zone HD or E.L.D. TD?
Defense Zone HD is rated higher. Defense Zone HD averages 4.7 out of 5 from 7 ratings, while E.L.D. TD averages 3.8 from 5 ratings.
Do Defense Zone HD or E.L.D. TD have ads?
Both Defense Zone HD and E.L.D. TD show ads.
Which is updated more often, Defense Zone HD or E.L.D. TD?
Defense Zone HD ships an update every 3 months, and E.L.D. TD every 8 days. Most recently, Defense Zone HD was updated on September 29, 2026 and E.L.D. TD on September 21, 2026.

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