Press

Press kit.

Everything you need to write about Checkfit. For interviews, quotes, or asset requests, email hello@checkfit.com.

About Checkfit

Checkfit is an adaptive strength training app for iPhone. It writes a six-week program calibrated to the lifter, selects the load for every set automatically using RIR-based math, and adapts each session based on the last one.

Founded in 2026 and built for iPhone, Checkfit is available on the App Store for $20/month or $200/year (17% off annual) with a 7-day free trial. The team is small, remote, and made up of lifters and engineers.

Boilerplate

Checkfit is the adaptive strength training app for iPhone. It writes a six-week program calibrated to the lifter's strength, picks the weight for every set automatically using RIR-based math, and adjusts each session based on the last one. Available on the App Store for $20/month or $200/year, with a 7-day free trial.

Quick facts

Brand assets

Download the core marks below. Additional formats (PNG, on dark, on light) available on request.

Founder & team

Checkfit is built by a small team of lifters and engineers. Founder bio available on request — email hello@checkfit.com.

In their words

"We've all wasted years training without a real plan. Checkfit is the program we wished existed — calibrated to you, week one."

Train with intent.

Six-week programs, calibrated to you. 7-day free trial.