English for Beginners: LinDuo Growth & Update History

📊 Tracking summary

Tracked since

2020-12-06

20 snapshots captured

Events detected

cause-and-effect changes

App Store rating

4.86★

114,943 ratings from App Store

Current revenue

$8.1K /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.

📅 What Worked™ · full timeline (7 events)

Every detected change in English for Beginners: LinDuo 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.

2026-06

•

Refreshed store screenshots — 8 of 8 updated

→ 30 days after: revenue +$8.1K/mo · rating −0.09★ · reviews −114,841 high confidence

2026-06

📈

Crossed 500 ratings — social-proof flywheel kicking in

→ 30 days after: revenue +$8.1K/mo · rating −0.09★ · reviews −114,841 high confidence

2026-05

🔄

Monetization changed: freemium → free

→ 30 days after: revenue −$86/mo · rating +0.09★ · reviews +114,841 medium confidence

2026-05

🔧

Shipped update — v5.32.1 → v5.36.1

→ 30 days after: revenue −$86/mo · reviews +114,219 low confidence

2026-03

📈

Crossed 50 ratings — social-proof flywheel kicking in

→ 30 days after:

2024-12

📈

Crossed 10 ratings — social-proof flywheel kicking in

→ 30 days after:

2020-12

🚀

First tracked snapshot — initial data captured

→ 30 days after:

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