Mathnasium vs The Rock Underground
Franchise Comparison 2026
Both Mathnasium and The Rock Underground are education franchises. Mathnasium requires an investment of $113K – $150K while The Rock Underground requires $71K – $188K. Mathnasium discloses average revenue of $345K; The Rock Underground does not report Item 19 data. Mathnasium has SBA lending data on file with a 1.8% charge-off rate. FranchiseVerdict rates Mathnasium A (Top Quintile) and The Rock Underground B (Above Average).
| Metric | Mathnasium | The Rock Underground |
|---|---|---|
| Verdict Grade | ATop QuintileTop Quintile | BAbove AverageAbove Average |
| Investment Range | $113K – $150K | $71K – $188K |
| Franchise Fee | $49K | $25K |
| Royalty Rate | 10.0% | 6.0% |
| Average Revenue (Item 19) | $345K | N/A |
| SBA Charge-Off Rate | 1.8% (109 loans) | Limited data |
| Total Units | 972 | 6 |
| Unit Growth (YoY) | N/A | N/A |
| Year Began Franchising | 2024 | 2013 |
| FDD Year | 2024 | 2025 |
Investment Range
$113K – $150K
$71K – $188K
Franchise Fee
$49K
$25K
Royalty Rate
10.0%
6.0%
Average Revenue (Item 19)
$345K
N/A
SBA Charge-Off Rate
1.8% (109 loans)
Limited data
Total Units
972
6
Unit Growth (YoY)
N/A
N/A
Year Began Franchising
2024
2013
FDD Year
2024
2025