Games like Defender IV

Here are some great alternatives to Defender IV by DroidHen :
Tower Defender - Defense game
Tower Defender - Defense game
★4.4
Tower Hero - Tower Defense
Tower Hero - Tower Defense
★4.3
Boom Castle: Tower Defense TD
Boom Castle: Tower Defense TD
★4.3
Heroes of Eden: Tower Defense
Heroes of Eden: Tower Defense
★3.3
Tower Of Heroes: Epic Defense
Tower Of Heroes: Epic Defense
★3.5
Gaiarus: TD Battles & Heroes
Gaiarus: TD Battles & Heroes
★4.1
D-MEN：The Defenders
D-MEN：The Defenders
★3.6
Hero Sky: Epic Clash
Hero Sky: Epic Clash
★4.0
Monster Rush: Strategy TD war
Monster Rush: Strategy TD war
★4.4
Castle Defender Premium
Castle Defender Premium
★3.6
Card Battle Kingdom!
Card Battle Kingdom!
★3.4
Kingdom Rush Tower Defense TD
Kingdom Rush Tower Defense TD
★4.7
Demon Raid 2: Tower Defense
Demon Raid 2: Tower Defense
★4.4
Total Battle: War of Empires
Total Battle: War of Empires
★4.4
Knights and Glory - Battle
Knights and Glory - Battle
★3.5
Clash of Lords: Guild Castle
Clash of Lords: Guild Castle
★4.6