Vuly Thunder 2 Pro vs Springfree Jumbo Round
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These are the two brands' flagship round trampolines, and both keep steel springs away from the jumping surface. The Springfree Jumbo Round uses flexible fibreglass rods and has no springs at all. The Thunder 2 Pro uses full-length leaf springs positioned away from the mat.
Both meet the Australian Trampoline Standard AS 4989:2015 and both provide 10-year frame warranties. Springfree also provides 10-year mat and net warranties, while Vuly provides 5 years on the mat and 1 year on the net.
The Thunder 2 Pro is rated to 140 to 150 kg per jumper against 100 kg on the Jumbo Round, comes in three sizes where the Jumbo Round is a single 4 m model, and its XL is larger than the Springfree. It also costs around a thousand dollars less.
Choose the Springfree Jumbo Round if you want a completely springless design and 10-year warranties on every part. Choose the Vuly Thunder 2 Pro if you want a higher weight rating, a choice of sizes, or to spend less.
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Vuly Thunder 2 Pro
$2,099from
Leaf springs (springless)

Quick verdict
Springfree's warranty is the most complete on the market and its design removes springs entirely. The Thunder 2 Pro also keeps springs away from the mat, carries more weight, comes in more sizes and costs around a thousand dollars less.
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Take the QuizFull spec comparison
Both are round, both meet the standard, and both carry a 10-year frame warranty. Compare the mat and net warranty rows, which favour Springfree, and the weight, size and price rows, which favour Vuly.
Key differences
- Vuly Thunder 2 Pro uses leaf springs; Springfree Jumbo Round uses flexible fibreglass rods instead of springs.
- Vuly Thunder 2 Pro is rated to 150 kg per jumper; Springfree Jumbo Round lists 100 kg on the Jumbo Round Trampoline.
- If yard space allows, Vuly Thunder 2 Pro goes up to a 15.6 ft; Springfree Jumbo Round tops out at a 13.1 ft.
- Springfree Jumbo Round has a longer warranty on the mat and net.
- On comparable full-size models, Vuly Thunder 2 Pro starts lower — Thunder 2 Pro at $2,099 against Springfree Jumbo Round's Jumbo Round Trampoline at $3,199.
Taken from the specifications in the table below.
| Specification | VulyThunder 2 Pro | SpringfreeRound Trampoline |
|---|---|---|
| Sizes compared | 11.6 ft (M), 13.6 ft (L), 15.6 ft (XL) | 13.1 ft (Jumbo) |
| Spring system | Leaf springs (springless) | Fibreglass rods (springless) |
| Price (AUD) | $2,099from | $3,199 |
| Overall footprint | 355 cm to 475 cm | 400 cm |
| Jumping mat | 255 cm across to 375 cm across | 400 cm across |
| Total height | 288 cm | 280 cm |
| Max single jumper | 140-150 kg | 100 kg |
| Mat warranty | 5 years | 10 years |
| Net warranty | 1 year | 10 years |
Shared across these models
- Shape
- Round
- Springless
- Yes
- Frame warranty
- 10 years
- Australian standard
- AS 4989:2015
Prices sourced from manufacturer websites and may change.
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Our trampoline quiz helps you narrow the right option for your family, yard, and budget.
Take the QuizRelated reading
Specifications come from our Australian trampoline comparison data, sourced from manufacturer listings. Brands compared: Vuly and Springfree.
