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Zero: Fasting & Health Tracker

Zero is a simple fasting tracker used for intermittent, circadian rhythm, and custom fasting. Choose your favorite fasting protocol and Zero will track your ongoing progress. Export your data to a spreadsheet for complete control.
Category Price Seller Device
Health & Fitness Free Zero Longevity Science, Inc. iPhone, iPad, iPod

Zero supports the following fasting types:

16-Hour Intermittent Fast: Popularized by Hugh Jackman and Dwayne “The Rock” Johnson as a fast to trim extra pounds. It is common to fast after dinner to around lunch the following day.

Circadian Rhythm Fasting: Based on the research from Dr. Panda (Salk Institute), participants are encourage to fast 13 hours per day, starting each fast at or before sunset. Zero uses your location to calculate the daily sunset time for the best possible accuracy.

Custom Fasting: Setup a custom program to meet your fasting goals. You choose your fasting hours per day, and days per week.

Reviews

Free version doesn’t give eating window
sorrysorbet

I would pay for this app but i am not interested in the expert articles. I just need to track my timing, and you cant do this easily with the free version anymore bc it doesn't record and display eating window unless you pay. I think this app is worth it the yearly subscription if you know this isn't a one month fad for you and want the additional coaching articles.


Didn’t get free trail, but I got charged
Leftclicktailwag

Signed up was ready to do the free trial and instead I was charged. I put a bad taste in my mouth right away. Checked in the App Store, there was no mention of a free trial just a monthly charge.


Helpful and encouraging!
Robbins1952

Such a handy way to record your eating patterns. I’m very analytical and find this app to be just right for intermittent fasting.


Mediocre but with LONG ads
markrodenbureg

Last advert went on for at least 60 seconds (with sound, of course). Unskippable. Otherwise just a glorified timer.


I love the app
Pinki547

I love how it constantly checks up on your moods during your fasts and it is not complicated at all.


Confusing language - “start fast”
Ashish111dgfgxdfc

The app is useful but so confusing. Very often i stare at the screen trying to figure out am I starting a fast or finishing one. Rather make it, eating, or fasting. Also make it easier to edit past fasts that you messed up the time. So confusing for no reason.


Nobody pay for this
cece0813

The secrets of fasting have been around for centuries do not pay for this ,all the fasting info can be found for FREE!!! on the internet, fasting is the best way to heal your body and the monetization of age old secrets is terrible ,this is the problem with the world today everything and everybody about profit.


Edits skew progress data
OHSMA

If you need to correct a previously saved fast, it skews the data and shows as “goal not met”. Free version gives minimal tracking options with limited challenges, but is still helpful, especially when new to IF.


Love this app
Erikarois

Yup love it.


Awesome
Wolfs3

Information is life changing. Been going for 10 days lost 3 pounds!!!