Tower guard vs Doom Defense
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Tower guard
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This is a leisure tower defense game. We are tower guards. When Warcraft attacks, we spontaneously protect our homes!
Doom Defense
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Protect your home! Don't let the doomsday zombies reach the land behind you. The doomsday virus swept the world. Once you are infected with no medicine, there is the last piece of pure land behind you. The surviving humans live in it and try their best to develop vaccines for the virus; and the endless hordes of zombies outside seriously threaten the survival of the survivors. Safety, you build the last line of defense, gather heroes wandering everywhere, and defend the last home of mankind; Summon powerful heroes to guard your position in the tavern, and place your heroes at each guard point to resist the attack of zombies; each hero has corresponding powerful skills, which can help you better clear the threat of zombies. Flame Hammer and Shura's super abilities can help you stay still in the surging zombie tide. At the same time, you can also upgrade their level to get more powerful fire support. The talent system also has many magical abilities. The freezing ray can help you make the freezing time longer, and the motionless zombies are the best targets. Cannonballs are the most direct means of attack, and can cause damage in the most direct and rude way, which is unavoidable. What are the magical abilities of "Super Blast" and "Hero Blast" in Super Enhancement? Guard your home, attack zombies, and strengthen yourself; there are more than three paths for heroes to take.
Screenshots
Verdict
The clearest difference is in-app purchases: Tower guard at none against Doom Defense's 10. Tower guard also leads on update cadence (every 4 days vs every 4 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. Doom Defense sells 10 one-off in-app purchases. Tower guard asks for nothing beyond the download.
Tower guard ships an update every 4 days, Doom Defense every 4 weeks. The most recent releases landed on December 24, 2025 and October 9, 2026 respectively.
| Parameter | Tower guard | Doom Defense |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 4 weeks |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 646 MB | 228 MB |
| Age rating | 12+ | 4+ |
| Developer | 国胜 张 | Hangzhou Kariquhuyu Network Technology Co., Ltd. |
In-app purchases
Tower guard
No in-app purchases
Doom Defense
- First Charge Pack$0.99
- Super Piggy Bank$2.99
- Value Pack 2$3.99
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- A Pound of Summon Coins$4.99
- Fund$10.99
- A Chest of Energy Bottle$12.99
- Regal Pack$12.99
- A Chest of Summon Coins$19.99
- Premium Summon Pack$26.99
- A Vault of Summon Coins$39.99





