Atlas: Lift, Level Up

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Everyone
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About this app

WHY LIFTERS USE ATLAS

• Gamified progress. Earn XP per muscle, climb 100 levels, and unlock new tier materials as you go.

• Your 3D muscle atlas. Watch the muscles you train heat up and gradually recover, so your training balance is obvious at a glance.

• Automatic PRs. Atlas tracks your estimated 1-rep max and catches new personal records as you log them.

• Recap cards. Finish a session and share a clean recap of your volume, sets, XP, and PRs.

• Built-in rest timer. Stay on pace between sets with fast, simple adjustments.

ON YOUR WRIST (WEAR OS)

• Log from your watch. Pick today's routine, dial in weight with the rotary crown, log every set, and run your rest timer without reaching for your phone.

• Heart rate and calories tracked through your session, then your finished workout is written to Health Connect.

• Start on your phone and carry on from your watch, or the reverse. Atlas keeps the live session synced.

• A Wear OS tile and a watch-face complication keep today's workout one tap away.

TRAINING THAT FITS YOU

• Build your own routines and splits, or skip the structure and train freestyle.

• Works offline. Log anywhere, and Atlas syncs when you are back online.

• Pick your accent colour and carry it across Atlas on both phone and watch.

Atlas is free to start and includes the first 10 levels. Premium is free for 14 days, then a subscription keeps the full climb, cross-device sync, and the rest of the premium features.

No ads. We never sell your data.

Start your climb at atlas.sigmatools.io
Turn every workout into a 100-level climb. Earn XP, unlock tiers, track PRs.
Updated on
Sep 9, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Health and fitness
  • This app may collect these data types
    Location, Personal info and 8 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Rest timer: the buzz and chime now fire on time with the screen off or another app in front, and the chime is heard over music. +30s and Skip from the lock screen card. Fixes a countdown that could tick past zero without alerting.
Content rating
Everyone
Users Interact
Learn more

App support

About the developer
SigmaTools, LLC
contact@sigmatools.io
2041 Rufe Snow Dr Ste 101 Pmb 1018 Keller, TX 76248-5670 United States
+1 817-600-2856