Vastflow is a small independent studio that writes, publishes, and maintains its own mobile applications for iOS and Android. We are based in Almaty, Kazakhstan. We do not take on commissioned work. We identify problems we ourselves have, design applications that address them, and continue to maintain them indefinitely. Our principal application is Sozai (sozai.app) — an AI transcription tool that turns audio, video, and YouTube content into searchable text across more than a hundred languages. Correspondence: support@vastflow.kz · vastflow.kz