Prison Notes

闻岚工坊（Vinland Studio） · 2025 · $9.99 · Adventure · deal grade C

• Estimated net residual revenue: $134 to $201 per month
• Opportunity: $276 per month at x1.65 dormancy
• Estimated lifetime owners: 1.2k
• 96%% positive across 51 reviews · 2.0 reviews/month

Why it's flagged

• Developer silent for 19 months
• Studio quiet across its whole catalog
• Last build shipped 19 months ago
• Store page localized in only 1 language(s)

This case as Markdown · Estimates carry ±30-50%% error per title.