Show HN: Guten – Android ereader for Project Gutenberg's 70k+ free books

This product targets a niche within the digital reading market: users of Project Gutenberg. Its core value proposition is a frictionless, privacy-focused experience, directly addressing common user frustrations with ad-laden or data-hungry applications. The freemium model, offering essential features for free and advanced capabilities like TTS and export for a one-time premium, is a proven monetization strategy for consumer apps. While not a B2B SaaS, the underlying principles of identifying a specific user need, building a focused solution, and offering clear value tiers are relevant. The emphasis on privacy and no tracking aligns with growing consumer demand for data control, potentially differentiating it in a crowded app market. Its success hinges on user adoption within the Project Gutenberg community and effective Play Store visibility.