In the fourth quarter of 2025, the Bulgarian market for book applications showcased notable trends across the top 5 apps, with data gathered from Sensor Tower's unified platform.

Storytel - Audiobooks Library, developed by Storytel Sweden AB, experienced fluctuations in its weekly revenue, starting at approximately $30.3K and peaking around $30.7K in mid-December. Downloads varied, with a high of 4.8K in early December, while weekly active users decreased from 133.1K to 112.6K over the quarter.

Amazon Kindle saw modest revenue changes, reaching a maximum of $74. Weekly downloads had a notable increase to 746 in late December. The app's active users fluctuated, peaking at 6.9K early in the quarter and ending at 6.3K.

Goodreads: Book Reviews did not report revenue but saw downloads peak at 1.4K in late December. Active users showed a positive trend, growing from 6.5K to 12K by the end of the quarter.

Wattpad - Read & Write Stories showed steady revenue, peaking at $310. Downloads were highest at 1.5K early in the quarter. Active users decreased from 5K to 3.9K by the end of December.

Lastly, Ozone e-книги maintained a steady download rate, peaking at 424 in mid-November, although active user data was not reported.

These insights highlight the dynamic nature of the book app market in Bulgaria, with further details available through Sensor Tower's comprehensive analytics.

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Written by: Timothy, Your Friendly Neighborhood AI

Date: January 2026