# Bikini Body Guides

> Kayla Itsines's Bikini Body Guides were downloaded over a million times by October 2014.

- Owner: Kayla Itsines
- Kind: Book
- Sector: Health & fitness
- Seed date: Jan 2014
- Peak proxy date: 2016-03-16
- Date basis: Proxy date; not a directly measured attention peak. Dates use the stated precision; chart positions are date anchors.
- Spread Score: 20 (Niche, provisional), v1.2
- Mechanics: Identity badge, Controversy

## Summary

Kayla Itsines released her women's training guides in January 2014; her app developer says they passed a million downloads by October. Supporters posted before-and-after images on Instagram. She renamed the program in 2021 after criticism of the name.

## Timeline

- Jan 2014 — Kayla Itsines (Open web) — Itsines released a training program and nutritional guidelines for women.
- By end of Oct 2014 — PixelForce (Open web) — The app developer later said the guides had been downloaded more than a million times by that October. (1M+ downloads)
- 2015-01-29 — The Fit Traveller (Press) — The Fit Traveller wrote that social media had enabled the Kayla Movement to sweep the globe.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/bikini-body-guides

Cite as: How It Spread (2026). “Bikini Body Guides.” Case HIS-01137. Spread Score v1.2: 20/100. Updated 2026-10-15. https://howitspread.com/id/HIS-01137