Springfree
Springfree Jumbo Square (S155)
$2499
Best Trampolines · head-to-head
Springfree Jumbo Square (S155) vs Zupapa 1500LBS Saffun 15FT
A sourced, side-by-side comparison. Zupapa 1500LBS Saffun 15FT is cheaper at $649.99. Every spec and price links to its source.
Zupapa
Zupapa 1500LBS Saffun 15FT
$649.99Cheaper
Which is better: the Springfree Jumbo Square (S155) or Zupapa 1500LBS Saffun 15FT?
The Springfree Jumbo Square (S155) wins 1 of the 1 specs we compare head to head; the other wins 0. The Zupapa 1500LBS Saffun 15FT is the cheaper at $649.99. Get the Springfree Jumbo Square (S155) for the stronger spec sheet, the Zupapa 1500LBS Saffun 15FT to spend less.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Springfree Jumbo Square (S155) | Zupapa 1500LBS Saffun 15FT |
|---|---|---|
| US price | $2499 | $649.99 |
| Brand | Springfree | Zupapa |
| Released | — | — |
| Shape | square | round |
| Frame size (ft) | 13 | 15 |
| Jumping area sq (ft) | 155 | — |
| Spring system | fiberglass-rod | coil-spring |
| Spring count | — | 108 |
| Spring length (in) | — | 7 |
| Max user weight (lb) | 220 | 425 |
| Total weight capacity (lb) | 1500 | 1500 |
| Galvanized frame | Yes | Yes |
| Warranty years | 10 | 10 |
| Astm certified | Yes | Yes |
Sources — Springfree Jumbo Square (S155): springfreetrampoline.com (verified 2026-07-11). Zupapa 1500LBS Saffun 15FT: zupapa.us (verified 2026-07-11).
What's the difference between the Springfree Jumbo Square (S155) and Zupapa 1500LBS Saffun 15FT?
Where the two actually differ on the specs we track (4 of 11). Matching specs are omitted.
- Shape: Springfree Jumbo Square (S155) square vs Zupapa 1500LBS Saffun 15FT round
- Frame size (ft): Springfree Jumbo Square (S155) 13 vs Zupapa 1500LBS Saffun 15FT 15
- Spring system: Springfree Jumbo Square (S155) fiberglass-rod vs Zupapa 1500LBS Saffun 15FT coil-spring
- Max user weight (lb): Springfree Jumbo Square (S155) 220 vs Zupapa 1500LBS Saffun 15FT 425