Apple Watch Series 12 Heart Rate Study: Is It Really the Most Accurate?
Published 10 Sep 2026 · 19 daily observations recorded · last updated 2026-09-29
Recent growth
Performance history
Every observation TubeSum recorded, plotted as measured.
Based on 19 observations · last observed Sep 29, 2026 · straight lines connect consecutive observations — TubeSum does not measure the days between them.
All observations
The same points the chart plots, as exact numbers. Gaps mean no observation was taken that day.
| Date | Views | Avg views / hour | Channel median |
|---|---|---|---|
| 2026-09-29 | 184,998 | 401.3 | 46,715 |
| 2026-09-28 | 184,375 | 421.9 | 46,715 |
| 2026-09-27 | 183,539 | 444.4 | 46,715 |
| 2026-09-26 | 182,899 | 471.4 | 46,715 |
| 2026-09-25 | 182,264 | 498.0 | 46,715 |
| 2026-09-24 | 181,411 | 533.6 | 46,715 |
| 2026-09-23 | 180,600 | 571.5 | 46,715 |
| 2026-09-22 | 179,653 | 615.3 | 46,715 |
| 2026-09-21 | 178,902 | 665.1 | 46,715 |
| 2026-09-20 | 177,316 | 726.7 | 46,715 |
| 2026-09-19 | 176,858 | 800.3 | 46,715 |
| 2026-09-18 | 174,125 | 883.9 | 46,715 |
| 2026-09-17 | 168,753 | 975.5 | 46,715 |
| 2026-09-16 | 161,956 | 1,087.0 | 46,715 |
| 2026-09-15 | 153,903 | 1,241.2 | 46,715 |
| 2026-09-14 | 141,295 | 1,399.0 | 46,715 |
| 2026-09-13 | 119,486 | 1,572.2 | 46,715 |
| 2026-09-12 | 98,408 | 1,856.8 | 46,715 |
| 2026-09-11 | 63,331 | 2,183.8 | — |
Content analysis
Transcript, chapters and structure for this video live on its analysis page — performance and content are separate documents on TubeSum.
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