PenGain is a simple weight tracker for iOS. If you're running into an issue, have a question, or want to suggest a feature, we'd love to hear from you.
Email: penguinappledev@gmail.com
We aim to respond within 2–3 business days.
How do I switch between kg and lb?
Open Settings (gear icon) from the main screen and choose your preferred unit. It updates your entries, chart, and target automatically.
How do I set a daily reminder?
Go to Settings, turn on Daily Reminder, and pick a time. You'll need to allow notifications when prompted.
How do I delete a weight entry?
Swipe left on any entry in your history and tap Delete.
Is my data backed up or synced anywhere?
Your data is stored locally on your device. PenGain does not use accounts or a server.