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Epic: Kids' Books & Reading icon
📅 Development History

Epic: Kids' Books & Reading

by Epic Kids Inc. · Education · View full /p/ profile →

📊 Tracking summary

Tracked since
2024-11-30
259 snapshots captured
Events detected
21
cause-and-effect changes
App Store rating
3.94★
91,177 ratings from App Store
Current revenue
$36.6K /mo
Estimated or reported monthly revenue

📈 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.

21 518,898 2024-11-30 2026-09-15 🔧 🔧 📈 ⭐ 🔧 • ⭐ 🔧 📈 ⭐ ⭐ 📈 📈 📈 📈 📈 🚀 📈 ⭐ 🚀 ⭐

📅 What Worked™ · full timeline (21 events)

Every detected change in Epic: Kids' Books & Reading 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.

2026-09
🔧
Shipped update — v7.51 → v7.52
→ 30 days after: reviews +314 high confidence
2026-07
🔧
Shipped update — v7.50 → v7.51
→ 30 days after: reviews +190 medium confidence
2026-07
📈
Crossed 100,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +190 medium confidence
2026-07
⭐
Rating ↑ 3.94 → 4.72 (improved 0.78★)
→ 30 days after: reviews +190 medium confidence
2026-07
🔧
Shipped update — v3.141.40 → v7.50
→ 30 days after: revenue +$36.6K/mo · rating +0.78★ · reviews +427,407 high confidence
2026-06
•
Refreshed store screenshots — 8 of 8 updated
→ 30 days after: revenue +$36.6K/mo · rating +0.78★ · reviews +427,217 high confidence
2026-06
⭐
Rating ↓ 4.72 → 3.94 (dropped 0.78★)
→ 30 days after: revenue +$36.6K/mo · rating +0.78★ · reviews +427,217 high confidence
2026-05
🔧
Shipped update — v7.45 → v3.141.40
→ 30 days after: rating −0.78★ · reviews −426,608 high confidence
2026-05
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.78★ · reviews −426,608 high confidence
2026-05
⭐
Rating ↑ 3.30 → 4.72 (improved 1.42★)
→ 30 days after: rating −0.78★ · reviews −426,608 high confidence
2026-03
⭐
Rating ↑ 3.29 → 4.60 (improved 1.31★)
→ 30 days after: rating +1.30★ · reviews +516,227 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: rating +1.30★ · reviews +516,227 high confidence
2025-02
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.15★ · reviews +38 high confidence
2025-02
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.06★ · reviews +35 high confidence
2024-12
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.17★ · reviews +37 high confidence
2024-12
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.14★ · reviews +75 high confidence
2024-11
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews +38 medium confidence
2024-11
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +38 low confidence
2024-11
⭐
Rating ↓ 3.75 → 3.20 (dropped 0.55★)
→ 30 days after: reviews +38 low confidence
2024-11
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews +38 medium confidence
2024-11
⭐
Rating ↓ 5.00 → 3.67 (dropped 1.33★)
→ 30 days after: reviews +38 medium confidence

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← Back to Epic: Kids' Books & Reading full profile