Blog
Language learning insights, polyglot strategies, and what we're building.
Why Your Spaced Repetition App Is Lying to You
SRS works — but not the way most apps implement it. Here's what the SM-2 algorithm actually requires, and why polyglots need a different calibration than beginners.
Cross-Language Interference: The Hidden Enemy of Fluency
When French starts bleeding into your Spanish, or your Japanese pitch accent habits creep into Mandarin — that's interference. Here's how to identify and beat it.
Immerse Mode: How We Turn Any Text Into a Lesson
Paste a French news article, a Korean song lyric, a German restaurant menu. Here's exactly what happens under the hood when Parlavoy analyzes it.
The CEFR Framework Explained (And Why It Actually Matters)
A1 through C2: what the levels actually mean, how to self-assess honestly, and why most learners overestimate their level by at least one band.
Parlavoy 1.0: Building the Language App We Always Wanted
Why we built Parlavoy, what makes it different, and what the first version actually shipped with. A founder's perspective on day one.
More posts coming soon. Follow our journey on Twitter/X.