⭐⭐⭐⭐⭐ Over 1000+ Cardio Sessions Saved | Patent Pending

Save Your Neck. Fix Your Posture. Make Cardio Easy Today.

The ergonomic gym accessory that elevates your phone to eye level so you can binge your favorite shows without the painful 'Cardio Hunch.'

Find Your Fit 👇

Elevate Your Cardio

Avoid Tech Neck Breathe Easier Natural Eye Level
BEFORE

The Cardio Hunch & Restricted Airway

AFTER

Eye-Level Comfort & Upright Spine

Don't Just Take Our Word For It.

★★★★★
"The Phone Riser was a game changer! So many of my friends at the gym inquired about the device when I was using it! No strain on my neck and cardio time went by in a breeze! Thank you CHCK3D!"
— Dr. Sam Rassoul ✓ Verified Buyer
★★★★★
"Best thing I ever bought! As someone who likes using the elliptical, treadmill and stair master. I like to watch videos, it but it use to be uncomfortable because of the eye level which would put extra strain on my neck and with my head tilted down it would force me to be in an uncomfortable position, but with the phone riser I can watch a video or game while exercising. Definitely no more strain on the neck and breathing got way better. Now I can push even harder. Definitely recommend"
— Anthony Gonzalez ✓ Verified Buyer

Find Your Perfect Fit in Seconds

No tape measure required.

SMALL
LARGE
(MOST COMMON)
Mid-Screen Ledges
Tall Displays
Precor Shorter Consoles Older Ellipticals
Matrix LifeFitness StairMaster Star Trac

Best for machines where the phone ledge is in the middle.

Best for tall displays where the phone ledge is at the bottom.

Phone Riser Compatibility Chart

Go to multiple gyms or unsure?
The Universal Bundle below includes both sizes for 100% guaranteed fit everywhere.
★★★★★
"I bought 3; my gym partner, his wife and myself. They are mens and womens physique competitors so always on a cardio machine. Works great. Feels sturdy."
— Corey M. ✓ Verified Buyer

The Gym Buddy Bundles (Partner 2-Pack)

Never let your gym partner suffer from tech neck. Includes two risers of your choice.

📦 Orders dispatch in 24–48 hrs • 30-Day Fit Guarantee
Phone riser on a white background

The Solo Ergonomic Riser

Know your exact gym machine? Select either Small or Large for your daily workout.

📦 Orders dispatch in 24–48 hrs • 30-Day Fit Guarantee

Optional Upgrade: Motivation Plate

Snap a rotatable visual reminder directly into your Phone Riser.

How many plates?
1
🔄
30-Day Fit Guarantee Wrong size? Free instant exchange.
🇺🇸
Engineered in the USA SolidWorks CAD & industrial PETG.
📦
Fast Tracked Shipping Dispatches within 24–48 hours.

Designed by a Trainer. Engineered by a Husband.

My wife is a personal trainer who spends an hour daily on the StairMaster. She loved watching shows to make the time pass, but the constant hunching over the low console was giving her terrible neck strain.

As a Mechanical Engineering student, I knew there had to be a better way. I fired up my 3D printer, opened SolidWorks, and built the first Phone Riser. What started as a home project to help my wife's neck is now helping hundreds of people make cardio sustainable and more enjoyable.

Tatum & Nicolas — Co-Founders, CHCK3D

Frequently Asked Questions

Will it hold my iPhone Pro Max with a thick case?

Yes. The channel was specifically modeled to fit extra-thick cases in both horizontal and vertical orientations.

Why 3D printed instead of molded plastic?

We use high-density industrial PETG. Unlike cheap injection-molded plastic that cracks in gym bags, our layer bonding gives it flexibility, shock resistance, and ultra-lightweight portability.

Will it shake if I run fast?

Your phone sits inside a deep, secure ledge and leans naturally against the cardio console. While standard machine vibration is normal during high-speed runs, your phone is held securely in the channel.