# 531 Strength > Track every set. Chase every PR. A focused strength tracker. Canonical page: [https://chrome-stats.com/d/com.alexcheuk.fivethreeone](https://chrome-stats.com/d/com.alexcheuk.fivethreeone) ## Overview - **ID:** `com.alexcheuk.fivethreeone` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Alex Cheuk - **Category:** HEALTH\_AND\_FITNESS - **Downloads:** 45 - **Version:** 1.0.1 - **Last updated:** 2026-06-14 - **First published:** 2026-05-27 - **Publisher country:** CA - **Size:** 63 MB - **Data as of:** 2026-09-18 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.alexcheuk.fivethreeone) - **Website:** [https://531strength.com](https://531strength.com/) - **Privacy policy:** [https://531strength.com/privacy](https://531strength.com/privacy) ## Description 531 Strength is a focused tracker for lifters running Jim Wendler's 5/3/1 program. No coaching, no social, no ads. Just a clean digital notebook for your training maxes, your working sets, your AMRAPs, and the PRs you chase across each 4-week cycle.

Built for the program. 5/3/1 percentages, BBB volume work, and AMRAP set logging are all here. Plate math is done for you: by bar, by plate set, in pounds or kilograms, shown per side. Training max progression follows the 5 lb / 2.5 kg upper-body, 10 lb / 5 kg lower-body rules. No manual math after every cycle.

In the gym. A countdown rest timer between sets, with a buzz when time's almost up. Your screen stays awake. Log your AMRAP top set and the app flags a PR the moment you save it.

History that feels earned. Every session you've filed, your personal records, your longest training streak, and a quiet record of your last cycle's training days. No "achievements" plastic. Just the numbers that matter.

Made for a bright gym. Monochrome, calm, readable. The screen feels like the next page of your training log instead of a flashing dashboard.

Yours alone. Your sessions, your PRs, your training maxes stay on your phone. No account. No sign-in. No social network. No ad targeting. No tracking, in the gym or out of it. ## Rankings - #2,301,243 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_NOTIFICATION_POLICY` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_APP_BADGE` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.SCHEDULE_EXACT_ALARM` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.alexcheuk.fivethreeone.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.anddoes.launcher.permission.UPDATE_COUNT` - `com.android.vending.CHECK_LICENSE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.htc.launcher.permission.READ_SETTINGS` - `com.htc.launcher.permission.UPDATE_SHORTCUT` - `com.huawei.android.launcher.permission.CHANGE_BADGE` - `com.huawei.android.launcher.permission.READ_SETTINGS` - `com.huawei.android.launcher.permission.WRITE_SETTINGS` - `com.majeur.launcher.permission.UPDATE_BADGE` - `com.oppo.launcher.permission.READ_SETTINGS` - `com.oppo.launcher.permission.WRITE_SETTINGS` - `com.sec.android.provider.badge.permission.READ` - `com.sec.android.provider.badge.permission.WRITE` - `com.sonyericsson.home.permission.BROADCAST_BADGE` - `com.sonymobile.home.permission.PROVIDER_INSERT_BADGE` - `me.everything.badger.permission.BADGE_COUNT_READ` - `me.everything.badger.permission.BADGE_COUNT_WRITE` ## Similar extensions and apps - [531 Workout Tracker](https://chrome-stats.com/d/workout.tracker) — 438 users - [Barbell531](https://chrome-stats.com/d/com.barbell531.app) — 1 users - [Wendler Log 531](https://chrome-stats.com/d/com.vandersw.wenderlogbook) — 137,514 users, 4.39 / 5 - [Forge 531](https://chrome-stats.com/d/com.forge531.forge_531) — 44 users - [531 Strength](https://chrome-stats.com/d/com.jachobsen.fivethreeone) — 20,536 users, 4.82 / 5 - [Wendler log 531 Pro](https://chrome-stats.com/d/com.sarasoft.es.fivethreeone) — 29,065 users, 4.91 / 5 - [Wendler 5/3/1 log](https://chrome-stats.com/d/com.sarasoft.es.fivethreeonebasic) — 248,970 users, 4.83 / 5 - [repeat531](https://chrome-stats.com/d/fred.sioxc.repeat531) — 162 users - [Five/Three/One - 531 Workouts](https://chrome-stats.com/d/dev.strongpigeon.fivethreeone) — 13,664 users, 4.77 / 5 - [Strong-er](https://chrome-stats.com/d/com.chad.stronger) — 1 users - [531 Workout Log - KeyLifts](https://chrome-stats.com/d/com.ultimate531) — 20,816 users, 4.56 / 5 - [Stronger365](https://chrome-stats.com/d/com.anonymous.Stronger365) — 43 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.alexcheuk.fivethreeone)