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This guide has been retired

StrengthInsight was originally a product. It is now an independent research publication that covers fitness wearables, their data, and what the numbers actually mean. Some older guides no longer apply.

Why it was retired

The guides listed below described a screenshot-based workout analysis tool that no longer exists. Keeping them would have meant sending you to a product that isn't there, so they've been removed rather than left to rot.

Guides that were retired

October 2026 — described a product that no longer exists:

October 2026 — retired because they never found an audience:

These four running guides were well written and reasonably long, but together they drew fewer than 100 search impressions a month and almost no readers. Rather than keep them as thin duplicates of better-served topics elsewhere, we've stopped pretending they were working.

What we cover now

Wearables and their dataWhat each platform measures, how its metrics are derived, and where the published methodology stops and marketing starts.
Comparisons and buying questionsSide-by-side analysis of WHOOP, Fitbit, Garmin, Oura and Apple Watch, based on vendor documentation and independent research.
Strength and training dataHow to read progression, estimated one-rep max, load records and plateaus from whatever data you already have.
Editorial standardsWhat we research, what we cite, and what we deliberately don't claim. Read our standards.

If you were looking for the running guides

We get a reasonable number of messages from heavier runners who found the retired guides useful, and we're sorry to lose them. We haven't republished them here because we can't serve them properly with the time we have, and a thin version would be worse than none. If you'd like to see that kind of content return, tell us at support@strengthinsight.app — reader demand is the reason it would come back.

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StrengthInsight is an independent publication. Not affiliated with, endorsed by, or sponsored by WHOOP, Fitbit, Garmin, Apple, Oura, Hevy, Strava, Amazon, or any other company whose products we cover.