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QR Code Reader · icon
📅 Development History

QR Code Reader ·

by App Lock LLC · Utilities · View full /p/ profile →

📊 Tracking summary

Tracked since
2021-09-29
87 snapshots captured
Events detected
22
cause-and-effect changes
App Store rating
4.71★
668,326 ratings from App Store
Current revenue
$28.1K /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.

5 670,107 2021-09-29 2026-10-17 🔧 🔧 🔧 🔧 🔧 🔄 ⭐ 📈 📈 📈 📈 📈 📈 📈 ⭐ 📈 ⭐ 🚀 ⭐ ⭐ ⭐ 🚀

📅 What Worked™ · full timeline (22 events)

Every detected change in QR Code Reader · 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.

2026-10
🔧
Shipped update — v2.9.8 → v3.1.1
→ 30 days after: reviews +288 medium confidence
2026-09
🔧
Shipped update — v2.8.1 → v2.9.8
→ 30 days after: reviews +843 high confidence
2026-08
🔧
Shipped update — v2.6.0 → v2.8.1
→ 30 days after: reviews +971 high confidence
2026-07
🔧
Shipped update — v2.4.33 → v2.6.0
→ 30 days after: revenue +$14.3K/mo · reviews +703 high confidence
2026-06
🔧
Shipped update — v2.4.31 → v2.4.33
→ 30 days after: revenue +$14.3K/mo · reviews +606 high confidence
2026-05
🔄
Monetization changed: paid → free
→ 30 days after: reviews +319 high confidence
2026-03
⭐
Rating ↑ 3.71 → 4.50 (improved 0.79★)
→ 30 days after:
2026-03
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after:
2026-02
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$13.8K/mo · rating +0.79★ · reviews +666,848 high confidence
2022-02
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +8 high confidence
2022-02
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.15★ · reviews +29 high confidence
2021-12
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +16 high confidence
2021-12
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.23★ · reviews +31 high confidence
2021-10
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +21 high confidence
2021-10
⭐
Rating ↑ 3.40 → 3.88 (improved 0.48★)
→ 30 days after: reviews +21 high confidence
2021-10
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.48★ · reviews +21 medium confidence
2021-10
⭐
Rating ↓ 3.57 → 3.25 (dropped 0.32★)
→ 30 days after: rating +0.48★ · reviews +21 low confidence
2021-09
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.48★ · reviews +21 low confidence
2021-09
⭐
Rating ↑ 3.00 → 3.40 (improved 0.40★)
→ 30 days after: rating +0.48★ · reviews +21 low confidence
2021-09
⭐
Rating ↓ 3.00 → 2.33 (dropped 0.67★)
→ 30 days after: rating +0.48★ · reviews +21 low confidence
2021-09
⭐
Rating ↑ 1.00 → 3.00 (improved 2.00★)
→ 30 days after: rating +0.48★ · reviews +21 low confidence
2021-09
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.48★ · reviews +21 medium confidence

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