Duff’s CakeMix vs Planet Smoothie
Franchise Comparison 2026
Both Duff’s CakeMix and Planet Smoothie are quick-service restaurants franchises. Duff’s CakeMix requires an investment of $272K – $415K while Planet Smoothie requires $206K – $479K. Planet Smoothie discloses average revenue of $280K; Duff’s CakeMix does not report Item 19 data. Planet Smoothie has SBA lending data on file with a 27.2% charge-off rate. FranchiseVerdict rates Duff’s CakeMix D (Below average) and Planet Smoothie C (Average).
| Metric | Duff’s CakeMix | Planet Smoothie |
|---|---|---|
| Verdict Grade | DBelow averageBelow average | CAverageAverage |
| Investment Range | $272K – $415K | $206K – $479K |
| Franchise Fee | $45K | $25K |
| Royalty Rate | 6.0% | 5.0% |
| Average Revenue (Item 19) | N/An=2 | $280K |
| SBA Charge-Off Rate | N/A | 27.2% (120 loans) |
| Total Units | 2 | 154 |
| Unit Growth (YoY) | N/A | N/A |
| Year Began Franchising | 2022 | 2012 |
| FDD Year | 2023 | 2025 |
Investment Range
$272K – $415K
$206K – $479K
Franchise Fee
$45K
$25K
Royalty Rate
6.0%
5.0%
Average Revenue (Item 19)
N/An=2
$280K
SBA Charge-Off Rate
N/A
27.2% (120 loans)
Total Units
2
154
Unit Growth (YoY)
N/A
N/A
Year Began Franchising
2022
2012
FDD Year
2023
2025