The app loads a very comprehensive language course. The download and installation takes between five and eight minutes. With some smartphones the installing process gets interrupted when the smartphone goes into sleep modus. That can be avoided by tapping from time to time on the screen.

The most detailed french course available on the market. No previous knowledge required.
No tracking, no ads, no hidden costs. Works, once downloaded and installed, offline.
During this time, prevent the smartphone from going into sleep mode, as on some smartphones the download is then interrupted. (Tap on the screen.) Once installed, the course can be run offline. Also suitable for A-level preparation, studies of roman languages and as preparation for any kind of oficial exam like the DELF.
The grammar section is contrastive. Meaning it takes into account the specific problems native English speakers face when learning french.
600 pages of grammar with 4000 interactive exercises, 5000 audio files, several novels from important french authors with translation and audio, virtual promenades, multimedia.