Spread Certificate · No. HIS-00647
This certifies how far it spread
Scientific 7-Minute Workout
Gretchen Reynolds / The New York Times ·May 2013 ·seeded onPressthenTVOpen webFacebookApp storesYouTubeTikTok
Spread Score
72
Viral
Verified independently
Verified
10M
Simple Design app: live Google Play install lower bound
Simple Design / Google Play
Verified
401
Hacker News seed discussion: live points counter
Hacker News
Verified
May 2013
Peak date, May 9 ’13 to May 2013
Verified
7 platforms
Started on Press
Claimed, not audited
Claimed
$10K
Hall app: March 2026 MRR before Apple cut, approximate
Per Stuart Hall
Claimed
#1
Hall app: fitness iPad charts in 68 countries
Per Stuart Hall
Claimed
$6K
Hall app: cumulative revenue by August 2013, approximate
Per Stuart Hall