2026 State of Mobile is Live!

In the fourth quarter of 2025, several top tower defense games on iOS showed notable performance in the United States. Here's a closer look at how these games fared, based on data from Sensor Tower.
Raid Rush: Tower Defense TD saw a steady increase in revenue, culminating in approximately $194.5K in the final week of December. Downloads fluctuated, peaking at around 11.4K in mid-November. Active users showed a slight increase over the quarter, ending at about 51.3K.
Kingdom Guard:Tower Defense TD experienced a significant revenue spike, reaching roughly $265.8K in late October. Downloads remained relatively stable, while active users peaked at nearly 27.6K in mid-November before declining towards the end of the quarter.
For Watcher of Realms - US, revenue was particularly strong in late November, hitting around $249K. Downloads showed an upward trend in December, with a peak of 3.7K in mid-month.
Galaxy Defense: Fortress TD saw consistent revenue growth, with a high of approximately $134.8K in late December. Downloads increased steadily, peaking at 13.5K in early December. Active users decreased over the quarter, ending at about 29.9K.
Finally, Wittle Defender had a notable surge in revenue during the final week of December, reaching $146.3K. Downloads also spiked in the same period, reaching over 34.7K, while active users showed a downward trend, ending at around 12K.
These insights reflect the dynamic nature of the tower defense genre on iOS, offering a glimpse into user engagement and monetization strategies. For more detailed analysis and data, visit Sensor Tower.