Jacta: Track Language Learning

Jacta is a lightweight session-logging app for language learners, built by solo developer Emile Robillard and released in late 2024. Rather than teaching you a language itself, it sits alongside your existing resources and lets you record what you studied, when, and for how long. At 56 MB and free to download, the barrier to entry is low, though the six-rating sample size makes the perfect store score hard to trust at face value.

What It Actually Does

Jacta functions as a study journal, not a course. You log sessions, tag them by activity type such as vocabulary or grammar, and the app surfaces insights about your habits over time. Supporting multiple languages in a single account is a practical touch for anyone juggling, say, French and Mandarin simultaneously. The structure pushes you toward consistency rather than leaving each session as an isolated event with no context.

Where It Feels Thin

With only six ratings since its December 2024 launch, community validation is essentially absent, making it difficult to judge long-term reliability. The app has seen active updates through May 2026, which is encouraging, but as a solo-developer project it carries the usual risk of slow feature growth. There is also no built-in learning content, so users who want one app to do everything will need to look elsewhere.

Who Should Pick It Up

Jacta suits self-directed learners who already use tools like Anki, textbooks, or tutors and want a dedicated place to track time and spot patterns in their study habits. If you have ever realized three weeks passed without touching your target language, the goal-setting and milestone features give that kind of drift a paper trail. Casual learners wanting passive gamification will likely find it too manual.