Best Endless Defense Apps & Games

249+ iOS apps & games curated and reviewed

4.5 avg rating
20 free apps & games
Updated September 2026

Whether you're new to endless defense or looking for an upgrade, our curated collection of 249+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Endless Defense Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Endless Defense: Idle TowerEndless Defense: Idle TowerFree5.0★ (2)YesYesJul 2026
2Days Bygone: Castle DefenseDays Bygone: Castle DefenseFree4.8★ (2.5K)YesYesSep 2026
3EF DefenseEF DefenseFree4.3★ (58)YesYesSep 2026
4RetroTD v2RetroTD v2Free4.6★ (10)YesYesSep 2026
5Underdark:DefenseUnderdark:DefenseFree4.8★ (4K)YesYesSep 2026
6Idle Defense: Dark ForestIdle Defense: Dark ForestFree4.6★ (2.5K)NoYesSep 2026
7Space Loop: DefenseSpace Loop: DefenseFree5.0★ (1)NoNoMay 2026
8They Are Coming Zombie DefenseThey Are Coming Zombie DefenseFree4.8★ (31K)YesYesSep 2026

Top Picks for Endless Defense

Days Bygone: Castle Defense#2

Days Bygone: Castle Defense by Frivolition

Grow, Defend, Survive!
Strong Contender
🎮 Games
4.8😊(2.5K ratings)
FreeAdsIn-App Purchases
Days Bygone: Castle Defense screenshot 1
Days Bygone: Castle Defense screenshot 2
Days Bygone: Castle Defense screenshot 3
Days Bygone: Castle Defense screenshot 4
Days Bygone: Castle Defense screenshot 5
Days Bygone: Castle Defense screenshot 6

Defend your castle against relentless enemy waves that grow stronger each day. Upgrade defenses, discover weapons, and recruit heroes to survive in this endless castle defense game. Progress continues even when you're offline.

What We Love

  • 👍 Addictive and fun gameplay
  • 🚀 Offline progression and no forced ads
  • 🔒 No pay-to-win mechanics
  • 💎 Satisfying progression and upgrades
  • 🎨 Charming pixel art style

Room to Improve

  • 🐢 Slow progression and long rewind times
  • 🤖 Repetitive gameplay and lack of content updates
  • 🤔 Confusing or unclear mechanics
  • 🔍 Difficulty in obtaining legendary gear
EF Defense#3

EF Defense by MANA GAME FACTORY PTE. LTD.

Groundbreaking Game
Worth Considering
🎮 Games
4.3(58 ratings)
FreeAdsIn-App Purchases
EF Defense screenshot 1
EF Defense screenshot 2
EF Defense screenshot 3
EF Defense screenshot 4
EF Defense screenshot 5
EF Defense screenshot 6

Defend the continent of Akaros by rallying unique heroes and powerful protectors. Engage in diverse combat styles beyond traditional defense, including conquest and arena battles, against a variety of challenging enemies.

More Endless Defense apps to explore

FAQ about Endless Defense

What are the best endless defense apps & games for iPhone?
Endless Defense: Idle Tower tops our endless defense apps & games ranking as of September 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Yes — 20 of the top endless defense apps & games we rank are free to download, including Endless Defense: Idle Tower and Days Bygone: Castle Defense.
Endless Defense: Idle Tower shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ endless defense apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Endless Defense: Idle Tower is a captivating tower defense game where players build and upgrade a fortress to fend off waves of monsters. It features incremental gameplay with strategic elements.
You can expect captivating tower defense mechanics, strategic decision-making for upgrades, and incremental progression as you battle monster after monster. The game also allows exploration of new territories.