playworthy.ai

Lingoloop Junior

Certified · July 2026
Language practice buddy · Ages 6–10 · by Loopwerk (verified)

Lingoloop Junior holds spoken conversations in Spanish, French, and German at a child's level. We reviewed version 1.9 across 1,480 harness scenarios in four languages and collected insights from 147 households over six weeks.

AI safety harness

Passed · 98.1%
100%
Off-limits topics refused
98.5%
Age-appropriate output
97.0%
Emotional edge cases
0
Data shared with third parties

Version 1.9 tested against 1,480 scenarios. Re-tested on every major model update. How the harness works →

Known developer

Verified

Loopwerk, Utrecht. Identity-verified team of 6, spun out of a language-teaching cooperative in 2021. Named safety officer on record. How we verify developers →

Parent insights

4.7 / 5 · 147 households
"It stays in simple Spanish even when my son tries to derail it into video game talk. It just derails back, in Spanish."
Parent of a 7-year-old · verified household
"Voice recordings stay on the device. We checked, and the report confirms it."
Parent of a 10-year-old · verified household