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FranchiseVerdict

Hydrogen Fitness vs The Gravity Vault

Franchise Comparison 2026

Both Hydrogen Fitness and The Gravity Vault are health & fitness franchises. Hydrogen Fitness requires an investment of $983K – $2.8M while The Gravity Vault requires $1.2M – $3.3M. In terms of revenue, Hydrogen Fitness reports higher average unit revenue at $2.0M. The Gravity Vault has SBA lending data on file with a 25.0% charge-off rate. FranchiseVerdict rates Hydrogen Fitness B (Above Average) and The Gravity Vault C (Average).

Investment Range
$983K – $2.8M
$1.2M – $3.3M
Franchise Fee
$50K
$80K
Royalty Rate
the greater of 4% of Gross Revenue or $1,000 per month
6.5%
Average Revenue (Item 19)
$2.0M
$1.1M
SBA Charge-Off Rate
N/A
25.0% (14 loans)
Total Units
2
14
Unit Growth (YoY)
N/A
N/A
Year Began Franchising
2024
2013
FDD Year
2026
2025