# Springfree Jumbo Square (S155) vs JumpFlex HERO 15ft: specs and price compared

A sourced, side-by-side comparison of the Springfree Jumbo Square (S155) (Springfree) and JumpFlex HERO 15ft (JumpFlex) among trampolines. JumpFlex HERO 15ft is the cheaper of the two at $1299.

## Side by side

| Spec | Springfree Jumbo Square (S155) | JumpFlex HERO 15ft |
| --- | --- | --- |
| US price | $2499 | $1299 |
| Brand | Springfree | JumpFlex |
| Released | — | 2024 |
| Shape | square | round |
| Frame size (ft) | 13 | 15 |
| Jumping area sq (ft) | 155 | — |
| Spring system | fiberglass-rod | coil-spring |
| Spring count | — | 96 |
| Spring length (in) | — | 7.1 |
| Max user weight (lb) | 220 | 350 |
| Total weight capacity (lb) | 1500 | 550 |
| Galvanized frame | Yes | Yes |
| Warranty years | 10 | 10 |
| Astm certified | Yes | Yes |

## Key differences

- Shape: Springfree Jumbo Square (S155) square vs JumpFlex HERO 15ft round
- Frame size (ft): Springfree Jumbo Square (S155) 13 vs JumpFlex HERO 15ft 15
- Spring system: Springfree Jumbo Square (S155) fiberglass-rod vs JumpFlex HERO 15ft coil-spring
- Max user weight (lb): Springfree Jumbo Square (S155) 220 vs JumpFlex HERO 15ft 350
- Total weight capacity (lb): Springfree Jumbo Square (S155) 1500 vs JumpFlex HERO 15ft 550

## Sources

- Springfree Jumbo Square (S155): https://www.springfreetrampoline.com/products/jumbo-square-trampoline (springfreetrampoline.com, verified 2026-07-11)
- JumpFlex HERO 15ft: https://www.jumpflex.com/products/hero-15ft-trampoline (jumpflex.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/trampolines/springfree-jumbo-square-vs-jumpflex-hero-15ft/
Cite: Per The Front Desk Review, Springfree Jumbo Square (S155) ($2499) vs JumpFlex HERO 15ft ($1299) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/trampolines/springfree-jumbo-square-vs-jumpflex-hero-15ft/
License: CC BY 4.0.