About the App
CGym is built for people who already know how to train. You create your own exercises, define your own structure, and track everything — weights, bodyweight, volume and progress — completely offline on your device. No account. No cloud. No ads.
Feature Requests
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In-App Support
CGym has a built-in support section directly in the app. You can submit feature requests and feedback right from within the app — no email needed.
FAQ
Does CGym work without internet?
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Yes — CGym is 100% offline. All your data is stored locally on your device. No internet connection is ever required.
Does the app cost anything?
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CGym has no subscriptions and no in-app purchases. What you download is the full app.
What units does CGym support?
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Currently CGym supports kilograms (kg) only. Support for additional units may be added in a future update.
Is there a built-in exercise library?
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No — and that's intentional. CGym lets you build your own exercise system. You define the names, categories, and structure. It's your training, your way.
Where is my data stored?
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All data is stored locally on your iPhone using SwiftData. No data is sent to any server. Your training history stays private and fully under your control.
How can I request a feature?
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Use the built-in support section inside the CGym app to submit feature requests — or reach out directly via email below.
Contact
I typically respond within a few days.