Quietly Labs

Quietly Labs develops iPhone apps that each do one function. The portfolio listed on its website includes Tempo Education, which teaches English through slow, clear podcasts; Convertly Utilities, which converts HEIC, AVIF and WebP images in batches offline; Chromatic Games, a color-guessing puzzle; and Schematic Education, which explains electricity and engineering topics.

The apps are distributed through the Apple App Store and are aimed at individual iPhone users. The website does not describe pricing or other revenue arrangements. Support is handled by email at support@quietly-labs.com.

The company is registered as Quietly Labs s.r.o. in Prague, with the registered office in Praha 5 (Lipence), and was founded in 2026 according to the registry. The registry lists it as a subsidiary of a foreign group. The website describes the company as an independent app studio based in Prague.

Product: Four iPhone apps: an English listening app built on slow podcasts, an offline batch image converter, a color-guessing puzzle game, and an engineering explainer app.