2026 State of Mobile is Live!

In the fourth quarter of 2025, the top books applications on a unified platform in Bulgaria demonstrated varied performance trends across downloads, revenue, and active users. This data, sourced from Sensor Tower, provides a glimpse into the digital reading habits in the region.
Storytel - Audiobooks Library showed a fluctuating revenue pattern, starting the quarter with approximately $30.3K, dipping to $24.7K by late October, and peaking again at $30.7K in late December. Downloads initially increased, peaking at 4.8K in early December, while active users experienced a gradual decline from 133.1K to 112.6K by the end of the quarter.
Audible: Audiobooks & Podcasts maintained a relatively stable revenue stream throughout the quarter, with minor fluctuations around $1.9K. Downloads remained consistent, hovering around 200 to 300 per week, while active users decreased from 9.3K to 6.5K.
MoreFic – Web Novels experienced a decrease in revenue, starting at $1K and ending the quarter at around $530. Downloads were sporadic, with notable peaks in late October at 461.
Litres: Books and audiobooks saw a steady revenue increase from $384 to $494 by late December. Downloads were modest, ranging between 50 and 113 weekly, while active users showed a slight increase, peaking at 607 in late December.
OneNovel observed a revenue decline from $1.1K to $836 by the quarter's end. Downloads showed variability with a significant spike to 330 in mid-October.
For more detailed insights and trends, Sensor Tower provides comprehensive analytics on app performance across various regions and categories.