2026-05
💲
Went paid — introduced $2.99 price point
→ 30 days after:
📊 Tracking summary
Tracked since
2012-05-22
Events detected
11
Current rating
4.14★
Current revenue
$28.1K
/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 CalcTape Paper Tape Calculator 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.
2018-03
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after:
revenue +$210/mo
high confidence
2016-01
⭐
Rating ↓ 4.31 → 3.91 (dropped 0.40★)
→ 30 days after:
revenue +$192/mo
high confidence
2015-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after:
revenue +$153/mo · rating −0.06★
low confidence
2015-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after:
revenue +$731/mo · rating −0.09★
low confidence
2014-03
⭐
Rating ↑ 3.86 → 4.20 (improved 0.34★)
→ 30 days after:
revenue +$358/mo · rating −0.20★
high confidence
2014-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after:
revenue +$358/mo · rating −0.20★
high confidence
2014-02
⭐
Rating ↓ 4.17 → 3.86 (dropped 0.31★)
→ 30 days after:
revenue +$1.2K/mo · rating +0.45★ · reviews +6
high confidence
2014-01
⭐
Rating ↓ 4.67 → 3.75 (dropped 0.92★)
→ 30 days after:
revenue +$1.2K/mo · rating +0.45★ · reviews +6
high confidence
2012-07
⭐
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
→ 30 days after:
2012-05
🚀
First tracked snapshot — initial data captured
→ 30 days after:
revenue +$193/mo · rating −0.50★
high confidence
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