Defend your room from supernatural creatures by strategically placing heroes and upgrading defenses. Engage in thrilling 5-minute matches across various haunted locations with a unique gothic chibi art style.






248+ iOS apps & games curated and reviewed
If you already know Knock Knock, this is the deeper bench. 248+ knock knock apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.7★ (227) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.6★ (21) | No | No | Sep 2026 | ||
| 3 | Free | 4.7★ (72K) | Yes | Yes | Sep 2026 | ||
| 4 | Free | 4.0★ (8) | No | Yes | Sep 2026 | ||
| 5 | Free | — | Yes | No | May 2026 | ||
| 6 | $0.99 | 4.7★ (179) | No | No | Sep 2026 | ||
| 7 | Free | — | Yes | Yes | Aug 2026 | ||
| 8 | $0.99 | 5.0★ (1) | No | No | May 2026 |






Defend your room from supernatural creatures by strategically placing heroes and upgrading defenses. Engage in thrilling 5-minute matches across various haunted locations with a unique gothic chibi art style.






This app acts as a mobile marketplace, offering a wide variety of products from groceries to electronics. It promises fast delivery, often within 30 minutes, and provides a convenient way to shop for essentials and unique items.





Interact with a grumpy but hilarious marmot by knocking, tapping, and ringing his doorbell to elicit funny reactions. Collect souvenirs and unlock new doorbells with in-game currency. Perfect for entertaining kids and adults alike.