Forge.OS - Gym Log & Planner

Content rating
Everyone
10+
Downloads
Content rating
Everyone
In-App Purchases
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About this app

Forge.OS - The all-in-one platform built for weightlifters by weightlifters.

It runs fully local, with no accounts, no cloud sync, and no required subscription.

Forge.OS supports full training structure and can be customized to support anything form a simple routine to a long-term workout plan, with the ability to track multi-week programs across defined phases. Choose an existing routine or use our plan builder to create your own.

Over 130 exercises included, with support to create your own along with supersets, dropsets, and variations that stay linked to their base movements instead of cluttering your library.

Progression is based on actual performance. The system tracks your lifts, detects stalls, and adjusts recommendations per exercise rather than following fixed rules.

Analytics focus on what matters. You can track volume over time, estimated 1RM trends, workout frequency, and PR history, along with muscle group and weekly volume breakdowns.

Working out with a friend? Share your QR code and they can use your custom workouts. Want to share a plan? Send them a Forge file and they can import your plans as well.

PR detection intelligently knows when you hit a personal best and tracks your anthem that gives you the best results.

Other features include nutrition label scanner, TDEE calculator, macro tracker, achievements, custom themes, and more!
Updated on
Apr 4, 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.
No data shared with third parties
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No data collected
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Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
Heavy C Development Studio, LLC
dev@heavyc.dev
5700 Goodnow St Aliquippa, PA 15001-4804 United States
+1 412-837-9513