Choosing a fasting timer

Four questions

Where does the clock have to live? Browser, iPhone, Android, or the wrist.

How long do you mean? A daily window you already have, or a stretch past a day. Those are different loads. How to start fasting is day one of a daily window. Before a longer fast is the on-ramp for a stretch.

What extra do you actually want? Nothing. Watch. A silent widget. Health. A library. A feed. A food log. A coach. Pick one extra, not five.

What will make you leave? A paywall on Start. An account. Ads. A cap at 24 hours. A store. Answer that before you download.

If this, then that

Browser, no store, no account required, no time cap, a library next to the ring: this clock. Open the online fasting timer. Poor fit if you needed Watch, a store widget, or no banner ads.

Browser, a journal and stats, stretches past a day: Fastient (fastient.com). Sibling job to this site. It has gone down for stretches.

Native on both phones, open-ended, what r/fasting names, core timer free: Easy Fast (Samtark, easyfastapp.com). Search that site or Samtark. The store name is cloned.

iPhone, no account, no ads, Watch and widgets, quieter than Zero: Fasty (Kai Oelfke; often listed as Intermittent Fasting Tracker). Not Fastic. Watch-first Apple and little else: FastHabit. Pretty eating window and almost nothing: Window.

Finished store app, Health, a big education library, you will make an account: Zero. Beginner programme, feed, challenges, meal plans: Fastic. Coach plus food log plus a scale: Simple or BodyFast — a diet app, not a clock. Weight, body composition, and adherence is why this site has no in-app scale.

Fast with other people: Easy Fast groups if they are still there, Fastic’s feed, or a new social listing such as FastingPals — then check that anyone is still in it. LIFE Fasting Tracker as people meant it left the stores around mid-2024. A new listing with the same name is not that product. Friends on this site are private encouragement, not a LIFE circle.

No app at all: the clock on the phone. That is a complete option. Dizziness, confusion, or chest pain is still a stop. See When to stop a fast.

Names that get mixed

Easy Fast is Samtark. Other “Easy Fast” listings in the store are not that app.

Fasty is a quiet iOS clock. Fastic is a German programme with a feed. Mixing those two is how people download the wrong product.

This site is not the iOS apps named Fasting Clock. The online fasting timer is this PWA.

Stage badges on any of these clocks are teaching labels, not lab results. What the stages on the timer mean stays that page. Unlimited hours on this timer is flexibility, not a dare. Open-ended and multi-day fasts is why the cap is gone.

Why lists and forums disagree

Store “best of” lists rank Zero. That is most visible: ratings, press, a library. On r/fasting, people who time a fast keep naming Easy Fast, often after Zero’s paywall or after LIFE went away. Both can be true. Visibility is not the same as “what this community downloads this month.”

If you cannot name the job, pick a clock you can leave. Native: Easy Fast. Browser: this one. How to start fasting is still a boring overnight gap. A download is not a 72-hour challenge.

What this is not

It is not medical advice. It is not a 2026 ranking, an affiliate table, or a claim that this clock won.

It is not What a fasting timer is for (the job of a clock). It is not From clinic to consumer app (how fasting became a store listing). It is not Common fasting schedules (16:8 vs OMAD as calendars). Those stay next door. This page is how to pick a timer from the job you already have.

It is not a monthly weight-loss promise and not a reason to add a scale.

How this meets the timer

If the job matches, open the online fasting timer. Custom 12 is a complete option. Start when calories stop. End Fast when you eat, or when you should stop.

If the job does not match, use the other clock. You do not owe this site a download. Who should be careful with fasting still comes first on every app.

This cluster will still cover presets on this clock, the History tab, and Open as a control. Until those notes are live, pick a chip here, or pick a different app and keep the exit.