2026-05
🔄
Monetization changed: paid → free
📊 Tracking summary
Tracked since
2009-02-07
Events detected
12
Current rating
4.85★
Current revenue
$33.9K
/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 (12 events)
Every detected change in Davis's Drug Guide - Nurses 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 ↑ 3.98 → 4.90 (improved 0.92★)
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2012-01
📈
Crossed 100 ratings — social-proof flywheel kicking in
2010-09
📈
Crossed 50 ratings — social-proof flywheel kicking in
2009-03
⭐
Rating ↓ 4.22 → 3.90 (dropped 0.32★)
2009-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
2009-02
⭐
Rating ↑ 3.25 → 3.60 (improved 0.35★)
2009-02
⭐
Rating ↓ 4.00 → 3.25 (dropped 0.75★)
2009-02
⭐
Rating ↑ 3.50 → 4.00 (improved 0.50★)
2009-02
⭐
Rating ↓ 5.00 → 3.50 (dropped 1.50★)
2009-02
🚀
First tracked snapshot — initial data captured
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