JLL S100 Smart Twist Stepper
- Weight Capacity Maximum: 300 pounds
- Material Type: Alloy Steel
- Item Weight: 16.9 pounds
- Warranty Description: 1 year
Last refreshed Jul 5, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A reasonable pick for small-space, low-impact cardio with a twisting motion and bundled resistance bands, though the height knob is the only way to change resistance.
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ASIN: B0FJKY1CTCModel: S100Category: Step Machines
Overview
The JLL Smart Twist Stepper is a compact mini stepper that combines a twisting motion with dual hydraulic cylinders and two resistance bands for arm work. It folds for storage and syncs over Bluetooth with the SunnyFit app for tracking reps, time, and calories.
This is a stepper built around a twisting motion rather than a straight vertical push, and JLL frames that twist as a way to protect ankle alignment while it works calves, thighs, glutes, and core. The height knob doing double duty as the resistance adjustment is a real trade-off worth knowing about upfront: there's no separate resistance dial once you've maxed out the height range.
- Dual hydraulic cylinders for quiet operation
- 300 lb frame capacity at 16.9 lb unit weight
- SunnyFit app sync with no subscription required
- V-shaped twist angle aimed at ankle alignment
Who it's for
Best suited to people with limited floor space who want low-impact cardio plus some upper-body work from the included bands. Less useful for anyone wanting a stepper with multiple independent resistance levels.
Pros and cons
- Folds down to a small apartment-friendly footprint
- Step height adjusts from 4.2 to 14.8 inches
- Includes two resistance bands for upper-body work
- Bluetooth LCD tracks reps, time, and calories
- Step-height knob is the only resistance adjustment
- Resistance bands are fixed, not swappable for heavier tension
- Twisting motion won't suit straight up-down steppers
Performance notes
Two hydraulic cylinders drive the twisting step motion, which the listing pairs with a golden exercise angle meant to keep ankle alignment steady while working calves, thighs, glutes, and core. Turning the height knob from 4.2 to 14.8 inches is also the way you change how hard each step feels, since there's no separate resistance dial. The LCD reads out reps per minute, count, time, and calories, and Bluetooth LE syncs those numbers to the SunnyFit app.
Specifications
| Brand | JLL |
|---|---|
| Model | S100 |
| Dimensions & fit | |
| Weight Capacity Maximum | 300 pounds |
| Item Weight | 16.9 poundshigher than 50% of 27 step machines |
| Item Dimensions L x W x H | 16.5 × 15.2 × 14.8 inches |
| Construction & materials | |
| Material Type | Alloy Steel |
| Color | Black |
| Included components | |
| Included Components | User Manual |
| Warranty & support | |
| Warranty Description | 1 year |
Closest rivals on specs
ZIWWVY Twist Stepper with Resistance Bands- Item Weight 16.9 vs 19.2 pounds (-12%)
RELIFE RSO1B Side to Side Rock Stepper- Item Weight 16.9 vs 14 pounds (+21%)
Niceday 6201NL Hydraulic Mini Stepper- Item Weight 16.9 vs 13.89 pounds (+22%)
Frequently asked questions
How much weight can the JLL Smart Twist Stepper S100 hold?
JLL lists a 300 lb weight capacity for the steel frame, while the stepper itself weighs about 16.9 lb.
Does the JLL S100 stepper require a subscription for the app?
No. It pairs via Bluetooth LE with the SunnyFit app on iOS and Android, and JLL states no subscription is required.
Can I adjust the resistance on the JLL Smart Twist Stepper?
There's no separate resistance dial. Turning the step-height knob from 4.2 to 14.8 inches also changes how hard each step feels.