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H Band icon
📅 Development History

H Band

by 家福 张 · Health & Fitness · View full /p/ profile →

📊 Tracking summary

Tracked since
2021-04-30
106 snapshots captured
Events detected
16
cause-and-effect changes
App Store rating
3.39★
807 ratings from App Store
Current revenue
— /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.

2 910 2021-04-30 2026-08-31 ⭐ 📈 ⭐ ⭐ 📈 📈 📈 📈 📈 📈 ⭐ ⭐ ⭐ ⭐ 🚀 🚀

📅 What Worked™ · full timeline (16 events)

Every detected change in H Band 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.

2026-05
⭐
Rating ↑ 2.28 → 3.39 (improved 1.11★)
→ 30 days after: reviews +49 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.72★ · reviews +194 medium confidence
2026-03
⭐
Rating ↓ 3.00 → 2.28 (dropped 0.72★)
→ 30 days after:
2026-03
⭐
Rating ↑ 2.28 → 3.00 (improved 0.72★)
→ 30 days after:
2022-09
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after:
2022-09
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.06★ · reviews +11 medium confidence
2022-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after:
2022-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +7 high confidence
2021-06
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.28★ · reviews +10 medium confidence
2021-06
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.46★ · reviews +20 low confidence
2021-06
⭐
Rating ↑ 1.75 → 2.20 (improved 0.45★)
→ 30 days after: rating +0.18★ · reviews +10 high confidence
2021-05
⭐
Rating ↓ 2.50 → 1.75 (dropped 0.75★)
→ 30 days after: rating +0.18★ · reviews +10 medium confidence
2021-05
⭐
Rating ↓ 2.50 → 2.00 (dropped 0.50★)
→ 30 days after: rating −0.57★ · reviews +12 medium confidence
2021-04
⭐
Rating ↑ 1.00 → 2.50 (improved 1.50★)
→ 30 days after: rating −0.75★ high confidence
2021-04
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating −0.75★ high confidence
2021-04
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating −0.75★ high confidence

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