2026-06
🔧
Shipped update — v5.2.00 → v5.5.00
→ 30 days after:
📊 Tracking summary
Tracked since
2023-03-30
Events detected
11
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 (11 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.
2026-05
⭐
Rating ↑ 4.27 → 4.59 (improved 0.32★)
→ 30 days after:
2026-03
💲
Went free — dropped $0.99 price point
→ 30 days after:
revenue −$144/mo
medium confidence
2026-03
⭐
Rating ↓ 4.60 → 4.27 (dropped 0.33★)
→ 30 days after:
revenue −$144/mo
medium confidence
2026-03
⭐
Rating ↑ 4.24 → 4.60 (improved 0.36★)
→ 30 days after:
2026-03
💲
Went paid — introduced $0.99 price point
→ 30 days after:
2024-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after:
2024-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after:
rating −0.06★
high confidence
2023-10
⭐
Rating ↓ 4.75 → 4.20 (dropped 0.55★)
→ 30 days after:
rating +0.13★
high confidence
2023-06
⭐
Rating ↓ 5.00 → 4.67 (dropped 0.33★)
→ 30 days after:
rating −0.25★
high confidence
2023-03
🚀
First tracked snapshot — initial data captured
→ 30 days after:
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