Let's Learn Japanese! Vocabulary Review Summary
Last updated: 2026-08-20
- Effective for Japanese vocabulary
- Script switching is valuable
- Overall satisfaction high
- Mini-games enhance enjoyment
- Lack of kanji hurts learning
- Contains typos and vocabulary errors
Emotions
Archetypes
Timed cohorts
Switch between playtime slices of churn risk.
Refund churn
Risk snapshot
Fast read on churn risk and the loudest complaints.
57.5% PrecisionJun 8, 2020 → Jul 5, 2026
Total revenue at risk
$2,201
~$30 per month
Modeled from refund-intent reviews
Most dangerous issue
Multiple Errors
Technical · 25.8% of risk
Churn driver breakdown
Weighted by churn risk
Design
Technical
74.2%$1,633
25.8%$568
Issue map
Complaint treemap
Normalized churn drivers sized by volume; click to inspect a cluster.
Issue treemap
Size = count · Color = sentiment
Design · 80.0% share
Technical · 20.0% share
Issue · Technical
Multiple Errors
Share of issues
20.0%
Primary region
United States
Detected from language cues
Anger level
Furious
Average sentiment intensity