Questions, problems or ideas about IF24 - you're in the right place.
IF24 is made by an independent developer, and email is answered personally - usually within 1-2 days. Write to leonif1@gmail.com. For bug reports, a short description of what happened plus a screenshot helps a lot.
Yes. IF24 is free on the App Store and the fasting timer works without a subscription or sign-up.
No. There is no sign-up, and your fasting data stays on your device.
16:8, 18:6, 20:4 and custom intermittent fasting schedules. The eating window length is derived from your plan automatically.
A day counts toward your streak when you reach your fasting goal that day. Miss a day and the streak resets - milestones at 3, 7, 14 and 30 days.
Use the Last meal control on the start screen - the app back-dates your fast to the time you actually stopped eating, so the timer stays accurate.
No. IF24 shows estimated fat burning, ketosis and autophagy phases based on typical fasting timing. It does not measure your body and is not medical advice. See also our privacy policy and terms of use.
A calm, free intermittent fasting timer for iOS. No account. Your fasting journal stays on your device.
IF24 is a general wellness and timing tool, not a medical device. The metabolic phases it shows are estimated, based on typical fasting timing, and are not a measurement of your body. IF24 does not provide medical advice. Consult a qualified healthcare professional before starting any fasting practice, especially if you are pregnant, nursing, taking medication, or managing a health condition.