5/3/1 & Percentage-Based Strength Training App: Focus on Lifting, Not Calculations

Build, run, and track percentage-based programs such as 5/3/1 with training weights and progression prepared for every session.
Download KeyLifts on the App Store
Download KeyLifts on Google Play
A percentage-based workout in progress in the KeyLifts app

Over 170 verified templates

Browse 5/3/1, GZCL, nSuns, Tactical Barbell, Starting Strength, and other percentage-based programs.
List of 5/3/1 Templates

Flexible & Customizable

Build percentage-based programs from 1 to 52 weeks and adjust exercises, sets, repetitions, and percentages.
Program editor

See your progress

Keep a training history and use workout statistics to see whether your program is moving forward.
Workout progress statistics and charts in KeyLifts app

What lifters say about KeyLifts

★★★★★
Customizable, easy to use interface, and real time progress tracking makes this app a real bargain.
Best 5/3/1 app out thereFly-for-free · Apple App Store
★★★★★
Spent a lot of time looking for an app that made tracking easy. This is the best one. Hands down.
Fantastic appfomu65 · Apple App Store
★★★★★
All templates are customizable and it allows you to create your own from scratch.
GoldenCarl Winslow11 · Apple App Store

Read current ratings and reviews on the App Store

Why Lifters Use KeyLifts

KeyLifts is built for percentage-based strength programs where consistency and progression matter. Instead of calculating percentages and training max changes by hand, you can run each session with the weights already prepared.

The library includes more than 170 verified templates across 5/3/1, GZCL, nSuns, Tactical Barbell, Starting Strength, and other progression systems. You can also build a custom percentage-based program from 1 to 52 weeks.

KeyLifts is available for iPhone, iPad, Apple Watch, and Android. It is free to download; the App Store and Google Play show the current subscription and in-app purchase options for each region.

Public ratings and reviews are available on the Apple App Store and Google Play.

Focus on your lifts and let KeyLifts handle the rest.
Download Now
Download KeyLifts on the App Store
Download KeyLifts on Google Play
KeyLifts
Download KeyLifts on the App Store
Download KeyLifts on Google Play