2026-05
⭐
Rating ↑ 4.27 → 4.59 (improved 0.32★)
📊 Tracking summary
Tracked since
2023-03-30
Events detected
9
Current rating
4.59★
Current revenue
$200
/mo
📈 Reviews growth with event markers
Cumulative review count over time. Each marker (🚀⭐💲🔄🔧📈📊📦) is a detected event — click anything in the timeline below to scroll to its row.
📅 What Worked™ · full timeline (9 events)
Every detected change in 墨墨记忆卡｜考研考公考证外语学习闪卡 since we started tracking. Each event shows the cause (what changed) and effect (measured impact over 30 days after). Confidence chip flags whether the attribution is clean or muddied by co-occurring events.
2026-03
⭐
Rating ↓ 4.60 → 4.27 (dropped 0.33★)
2026-03
💲
Went free — dropped $0.99 price point
2026-03
⭐
Rating ↑ 4.24 → 4.60 (improved 0.36★)
2026-03
💲
Went paid — introduced $0.99 price point
2024-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
2023-10
⭐
Rating ↓ 4.75 → 4.20 (dropped 0.55★)
2023-06
⭐
Rating ↓ 5.00 → 4.67 (dropped 0.33★)
2023-03
🚀
First tracked snapshot — initial data captured
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