King Smith WalkingPad X21 Folding Treadmill Review

walkingpad x21 review

KingSmith WalkingPad X21 Folding Treadmill Review

Having worked as a fitness and sports rehabilitation specialist for over ten years, I came across several fitness products on the market.

One particular product that caught my attention recently is the WalkingPad X21 Folding Treadmill, known for its easy portability, space friendliness, giving access to fitness for anyone.

This encouraged me to write an in-depth review about this product.

In this blog I explain why KingSmith WalkingPad X21 Foldable Treadmill may be a good option for individuals seeking to improve cardiovascular fitness, lose weight or just keep active during busy working hours and daily schedule. 

Read along to learn more about it!

 What is WalkingPad X21 Folding Treadmill

x21 WalkingPad

The WalkingPad X21 Folding Treadmill is a space saving treadmill specifically designed for home use. It has a folding mechanism that allows it to take up little space when not in use.

With a speed range of 1 to 12 km/h it caters to a wide-range of fitness levels. 

The treadmill also comes with a high definition display. It can be conveniently controlled through a smartphone app, allowing you to focus on the most important thing, yourself and your workout.

Additionally this treadmill requires no assembly so you can start using it without any hassle. Moreover, its stylish design seamlessly complements modern homes.

Who is WalkingPad X21 Treadmill Good For?

underdesk treadmill

Walkingpad X21 meets the standards and needs of home exercise equipment exceptionally well. Its unique features and design cater to a wide range of needs, such as:

People with Limited Space

The standout feature of the X21 is its double folding design. This makes it an excellent option for individuals living in apartments or small homes where space is limited.

You can easily store it in small areas, such as under the bed, in corners, which addresses the challenge of fitting exercise equipment into small spaces.

 Individuals who prefer Light to Moderate Exercise

With a top speed of 7.45 mph (12 km/h), this treadmill is ideal for light to moderate exercise routines like walking and jogging. It’s particularly beneficial for:

  • Beginners
  • Casual fitness enthusiasts
  • Individuals aiming to meet daily step goals
  • Individuals preferring a slow run
  • Busy mothers looking for easy exercises while their baby sleeps
  • Older adults prioritizing stability and safety during workouts

However, if you’re seeking high-intensity sprints or incline runs, or if your average running speed surpasses the treadmill’s capabilities, this might not be the best option for you.

Users who Prioritise Quiet Operation

The WalkingPad X21 features a quiet and efficient brushless motor, making it a great choice for new parents, people living in apartment buildings or attached houses with close neighbours, or any situations where noise could be a concern. 

Users Who Prioritise Safety, User Friendliness and Easy Assembly

When considering purchasing a treadmill like the WalkingPad X21, safety, user-friendliness, and easy assembly are crucial factors to keep in mind. Luckily, this foldable treadmill comes with a user-friendly LED screen console, making its operation easy to navigate.

 King’s Smith’s Walkingpad prioritizes safety with an added rail and emergency stop button.

Its sturdy construction and generous running surface ensure a secure workout, while the four-layer professional track further improves its running comfort. 

Its user-friendly features include multi-gear speed control, NFC connection for data tracking and updates.

Additionally, the KS Fit App allows you to track your fitness statistics and control treadmill functions seamlessly from your mobile device, enhancing both safety and user-friendliness.

Individuals Looking for A Budget-Friendly Home Workout Equipment

Treadmills come in a wide range of prices, so it’s crucial to find one that fits your needs without breaking the bank.

Higher-priced treadmills offer stability and are great for professional training, while budget-friendly options are perfect for creating your own personal home gym. 

WalkingPad X21 foldable treadmill combines quality, affordability, and convenience for your fitness journey!

Those Sitting Long Hours or Have a Hectic Work-Schedule

The WalkingPad X21 is tailor-made for individuals clocking long hours at their desks or grappling with jam-packed schedules.

Its compact design and effortless setup ensure convenient workouts anytime. Furthermore, its ability to fit snugly under a desk, allows walking while working from home

While its cushioned track reduces joint impact, making it ideal for stress relief and maintaining fitness amidst a hectic lifestyle.

Those Want to Burn Fat and Lose Weight

Running, walking or jogging are efficient ways of losing weight, just like other exercise forms. It elevates heart rate, burns calories, and may speed up metabolism.

By incorporating regular running sessions into your routine you can create a calorie deficit, leading to weight loss over time, especially when combined with a healthy balanced diet.

Also I need to highlight that the key to success lies in consistency. 

With the X21’s convenience and ease of use, staying consistent with your workouts has never been easier.

Whether it’s a brisk morning jog or an intense interval session, the X21 ensures you can stick to your weight loss goals with minimal hassle, right in the comfort of your own home.

WalkingPad X21Foldable Treadmill Features 

The WalkingPad X21 Foldable Treadmill has features that make it a great choice for many even more individuals than what we’ve mentioned above. Here are some of its awesome features: 

  • Compact and Lightweight with a Double Fold for Easy Storage

One standout feature of the WalkingPad X21 is its folding design, which allows for easy storage in small living spaces like apartments or condos.

This solves the problem of fitness equipment taking up too much room.

  • Efficient Brushless Motor, with High Motor Power

The treadmill features a 1 HP brushless motor, providing ample power for effective workouts without causing disruptions.

This means it can control speed and power better while making less noise, which is great for your home or apartment.

  • Comfort

The WalkingPad X21 has a deck made of four layers, including a medium fiber running board and EVA cushioning, providing a comfortable workout experience.

These features were added to provide comfort for your feet while exercising, potentially reducing the impact on your joints compared to running on hard surfaces. 

  • Sleek Design with Digital Display

Its modern design, featuring a touchscreen and hidden LED display, not only adds an appealing aesthetic to any home but also seamlessly blends with modern decor.

  • User-Friendly Operation and Connectivity

Operating the WalkingPad X21 is easy, even for those who aren’t tech-savvy like me. It’s user-friendly, with a control panel conveniently located on the handrail for adjusting speed. 

Android users can enjoy NFC connectivity for interaction between their smartphone and the treadmill.

The KS Fit app provides workout stats on your phone, helping you effectively track your fitness progress.

  • Portable and Space-Efficient

What makes this treadmill stand out is its portability and space efficiency.

Thanks to its design, the treadmill can be easily moved and stored by folding it in half, grabbing the handle and pulling it across your home on wheels.

 This makes it a convenient choice for those with limited space. When folded, it takes up minimal room.

  • Durability and Build Quality

 Built with durability in mind the frame of this treadmill combines aluminium alloy and ABS plastic materials.

This ensures both sturdiness and lightweight nature.

Despite weighing 93 lbs (42 kg) it remains solid and stable during use supporting weights of up to 240 lbs (109 kg).

WalkingPad X21 Reviews

Many users praised the treadmill’s quality, finding it sturdy and well-crafted, with its compact design fitting well in homes. (Amazon)

Some found the treadmill easy to set up and operate, highlighting the simplicity and convenience of the folding mechanism. (“Amazon 4 stars”)

While a few users initially struggled with app connectivity, most were able to resolve these issues with customer support.

However, some noted that the treadmill can only pair with one iPhone at a time. 

A minor bump during walking or jogging sessions was observed by some users, but it didn’t significantly affect their experience. (“Amazon review”))

A handful of users encountered error messages or mechanical failures, with mixed experiences in dealing with customer service.

Overall, the product received thousands of positive feedbacks globally, making it a great purchase, an INVESTMENT!

Is WalkingPad X21 Better Than R1 Pro?

x21 WalkingPad or R1 Pro is better?

When considering the WalkingPad X21 and R1 Pro, their unique specifications cater to different fitness preferences.

The X21 stands out with its double folding system, ideal for compact spaces, while offering a speed range of 1-12km/h and app connectivity for varied workouts. 

Meanwhile, the R1 Pro’s 2-in-1 functionality and 180-degree folding capability offer versatility, making it suitable for both under desk use and traditional workouts.

Depending on your space availability and exercise preferences, one of these treadmills could be the perfect fit for your needs.

Let’s see some pros and cons of each treadmill

WalkingPad X21


  • Fold technology: 90° & 180°
  • Modern design
  • Stability support bar
  • Precise belt tracking
  • Four-layer track
  • Spacious surface
  • Quiet operation (74 dB)
  • Brushless motor (1.25 HP)
  • Auto standby mode
  • Direct interface access
  • One-year warranty
  • Real-time data display
  • Space-friendly storage
  • Integration with KS App
  • In-app control
  • Secure phone holder
  • Hassle-free setup
  • Bluetooth & Wi-Fi connectivity
  • Child lock feature
  • Kill switch leash
  • High-strength wheels
  • Responsive customer service


  • No incline feature
  • Not ideal for carpet
  • App updates not smooth
  • Higher price
  • Connectivity issues with iOS
  • Belt drifts, needs adjustments
  • Short power cord
  • Slight treadmill section felt
  • Countdown clock on pause

WalkingPad R1 Pro


  • Flexible handrail
  • 180-degree folding design
  • LED display 
  • KS Fit app 
  • Retractable handrail.
  • High-quality with high-end aluminium material
  • Durable design
  • Three ways speed control
  • Convenient App Connectivity
  • Under Desk Option
  • Foldable Handrail
  • Space-Saving Design
  • Easy Portability
  • Space-saving storage
  • Easy Assembly-Free Setup
  • High Weight Capacity (242 lbs /110 kg)
  • Long Warranty 
  • 30 Days Free Return.


  • It might be slightly bulkier compared to the X21. 
  • Nlevels could be a concern with the R1 Pro at higher speeds as it may not be as quiet as the X21. 
  • Lower speed (0.5 to 6.2 MPH (10km/h)
  • Price wise the R1 Pro could be more expensive than the X21 so it’s important to consider if you’re willing to make an investment.

Regardless of which model you choose, both are great options, offering unique features that cater to different user preferences.

Final Words

The WalkingPad X21 Treadmill offers a compact and user-friendly exercise solution for home fitness enthusiasts.

Its space-saving design, with a folding mechanism, ensures easy storage, even in small spaces.

While not suited for intense workouts, its quiet operation makes it perfect for light exercises like walking and jogging. 

With durability and ease of use, it’s a practical choice for fitness needs.

Consider adding the WalkingPad X21 to your home gym for a convenient and functional workout option without the need for extra space or complex setup.

Also, remember to share your thoughts or feelings about the experience!

Frequently asked questions

Is the WalkingPad X21 foldable treadmill worth it?

Absolutely, especially if you’re looking to save space and keep things simple.

It’s perfect, for people who prefer an exercise routine and need something that can easily fit into smaller living spaces.

Who WalkingPad X21 is good for?

It’s ideal for people who live in apartments or smaller homes and many other individuals, just like:

  • Mums with kids
  • Busy professionals
  • Home office workers
  • Night owls
  • Individuals with small living spaces
  • Those who struggle to fit exercise into their daily routine
  • Seniors
  • Fitness beginners
  • Individuals seeking convenience in home workouts

Can WalkingPad X21 help you lose weight?

Absolutely, when complemented with a balanced diet and regular use, the WalkingPad X21 can greatly contribute to your weight loss goals. Its versatility in accommodating both walking and light jogging effectively burns calories.

But remember, it’s your consistency and willpower that seal the deal!

How big is WalkingPad X21?

The WalkingPad X21 has dimensions of approximately 1420720100 mm when unfolded, and when folded, it occupies a space of just 0.16 square meters with a compact height of 100cm.

Work Cited

Amazon. “Amazon Review.” YouTube: Home, Accessed 17 March 2024.

Works Cited

Amazon. “Amazon Review.YouTube: Home, Accessed 17 March 2024.

“Amazon review.” Amazon X21 review, Accessed 17 March 2024.

Works Cited

Amazon 4 stars, Accessed 17 March 2024.


Leave a Reply

Your email address will not be published. Required fields are marked *