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FastUp — Intermittent Fasting Timer

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Frequently Asked Questions

How does FastUp work?

Select a fasting plan (16:8, 18:6, 20:4, etc.), tap "Start Fasting," and the timer begins. You'll receive a notification when your fasting window is complete.

Is my data backed up?

FastUp stores all data locally on your device. Your data is included in iCloud device backups if you have that enabled in iOS Settings.

Does it work on Apple Watch?

Yes! FastUp includes an Apple Watch companion app that shows your current fasting progress and lets you start/stop sessions from your wrist.

Can I track my weight?

Yes. Go to the "Me" tab to record your weight. FastUp shows a 30-day trend chart to help you see your progress over time.

Is there a subscription?

No. FastUp is a one-time purchase. You pay once and own it forever. No subscriptions, no in-app purchases, no hidden fees.

What fasting plans are available?

FastUp includes 16:8, 18:6, 20:4, 14:10, and OMAD (23:1). You can switch plans anytime from the "Me" tab.