What Is Shabbat Mode? Appliances, Phones, and the App

Shabbat mode is a setting that lets a device get through Shabbat — the Jewish day of rest, from Friday evening to Saturday night — without requiring any interaction that Jewish law prohibits. The term means different things depending on the device. On ovens and refrigerators, Sabbath mode is a certified appliance feature that keeps the machine running while disabling the lights, tones, and displays your actions would normally trigger. On phones, Shabbat mode describes apps that automatically block distracting apps for the full 25 hours. And Shabbat Mode is also the name of an iPhone app built to do exactly that.

This guide covers all three meanings, so whichever one brought you here, you’ll leave with the full picture.

What does “Shabbat mode” mean?

Shabbat runs from before sunset on Friday until nightfall on Saturday — roughly 25 hours. During that window, observant Jews refrain from 39 categories of creative work called melachot, and in practice the Orthodox world universally treats operating electrical devices as prohibited (outside of life-safety emergencies, which override Shabbat entirely). The technical reasoning is debated among authorities; the practical conclusion is not.

That creates a design problem: modern appliances and devices are built to react to you. Open the fridge, a light turns on. Open the oven, the display wakes up. Pick up your phone, the screen lights and the notifications pour in. “Shabbat mode” — in every sense of the term — is engineering that removes the reaction, so the device can exist in your home over Shabbat without your presence or habits triggering anything.

Three distinct things carry the name:

1. Sabbath mode on appliances — a manufacturer feature, certified by kosher agencies, that pre-configures ovens and refrigerators before Shabbat.
2. Shabbat mode for phones — the general concept of automatically locking distracting apps for the duration of Shabbat.
3. Shabbat Mode, the app — an iPhone app that implements that concept using Apple’s Screen Time technology.

Let’s take them in order.

What is Sabbath mode on ovens and refrigerators?

If you’ve spotted a “Sabbath mode” option buried in your oven’s settings, here’s the short version. It’s a special operating mode engineered so the appliance can run straight through Shabbat and Jewish holidays without the user triggering any prohibited response.

The feature has a specific origin: in 1997, Whirlpool — the manufacturer behind KitchenAid — approached Star-K, the kosher certification agency, to adapt its ovens for Shabbat use. Whirlpool coined the term “Sabbath Mode” and received a patent for it in 1998. Star-K has since worked with a range of manufacturers on the engineering and maintains a searchable list of certified models on its website (certifications change, so always check the current list rather than relying on a brand’s reputation).

What Sabbath mode actually does, per Star-K:

• Ovens: it overrides the standard 12-hour automatic shutoff so the oven can stay on through Shabbat and Yom Tov, and it ensures that opening or closing the door activates no lights, displays, icons, tones, or fans.
• Refrigerators: interior lights, displays, the ice maker, and the water dispenser are disabled; a delay decouples the compressor from door openings; and defrost runs on a pure timer instead of responding to door activity. Cooling continues normally.

The pattern is the same in both cases: set it before Shabbat, and the appliance asks nothing of you until Shabbat is over. We cover the details, model considerations, and common questions in our full guide to Sabbath mode on ovens and fridges.

Why would a phone need a Shabbat mode?

Here’s the honest question underneath all of this: your oven has a Shabbat mode — why doesn’t your phone?

For observant Jews, the phone is arguably the hardest device of the week. Halachically, a phone is generally classified as muktzeh — an item set aside from Shabbat use that shouldn’t even be handled in the normal course, independent of whether you turn the screen on. (More on the halachic background in can you use a phone on Shabbat?)

But the harder problem is usually not knowledge — it’s habit. A phone is engineered to be reached for. Airplane mode doesn’t help much: the phone still lights up, still opens apps, still rewards the reflexive check. Powering it off helps until someone powers it back on “just to check one thing.” Willpower at 11pm on a Friday night is a thin defense against software built by thousands of engineers to be irresistible.

A Shabbat mode for the phone applies the appliance logic to the device in your pocket: decide before Shabbat, so there’s no decision to make during it. You configure it once, in advance, while your judgment is clear — and then the phone simply doesn’t offer the temptation for 25 hours.

Want your phone to rest when you do? Get Shabbat Mode on the App Store — set it up once and your apps lock at candle lighting and unlock after Havdalah, every week, automatically. Free trial included.

What is the Shabbat Mode app?

Shabbat Mode: Weekly Reset is an iPhone app that blocks the apps you choose, automatically, every single Shabbat. You set it up once; from then on the schedule takes care of itself.

Here’s how it works:

• It follows the real Shabbat clock. Candle lighting and Havdalah aren’t fixed times — they’re computed from sunset, which shifts every week and varies by city. The app calculates both from your location: apps lock at candle lighting on Friday (customarily about 18 minutes before sunset in most communities) and unlock after Havdalah on Saturday night, with a customizable offset — for example 42 or 72 minutes after sunset, depending on your community’s custom. If you want the background on why these times move, see our explainer on candle lighting and Havdalah times.
• The blocking is real. The app uses Apple’s Screen Time API — the same enforcement system behind iOS parental controls. Blocked apps genuinely won’t open. And deliberately, there is no unlock button during Shabbat. That’s the point: it’s a commitment device, like handing your keys to a friend before the party.
• It’s set-and-forget. No fiddling every Friday afternoon. The schedule recurs weekly and adjusts to the season on its own.
• Between Shabbats, the app shows a countdown to the next candle lighting and a daily wisdom quote drawn from Proverbs, Ecclesiastes, Pirkei Avot, and Psalms.
• It’s private. No account, no backend — everything stays on your phone.

One early user put it this way: “I had the most peaceful Shabbat I have had lately. The phone is a struggle. This was a blessing.”

The app requires iOS 17 or later and comes with a free one-week trial, then a subscription. An Android version is coming — you can join the waitlist at hello@tryshabbatmode.app.

Can’t I just use iPhone Downtime or a Focus mode?

You can try, and for some people a manual routine works. But Apple’s built-in tools weren’t designed for Shabbat, and it shows in three ways.

First, the schedule problem: Downtime and Focus modes run on fixed clock times, while Shabbat follows the sun. A schedule that’s right in June is badly wrong in December — candle lighting in northern cities can swing by hours across the year. You’d need to re-edit the schedule constantly, which is exactly the Friday-afternoon fiddling you’re trying to eliminate.

Second, the escape-hatch problem: Downtime’s limits can be dismissed with a tap. When the whole point is removing the in-the-moment decision, a “Remind Me in 15 Minutes” button defeats the purpose.

Third, the intent problem: general screen-time tools treat every day the same. Shabbat isn’t a daily habit tweak; it’s a weekly, bounded, meaningful window with its own start and end. A tool built around that window fits it better. We go deeper on this in why iPhone Downtime fails for Shabbat, and our step-by-step iPhone guide walks through every option, built-in and third-party.

Which Shabbat mode do you need?

A quick way to sort it out:

• You saw “Sabbath mode” on your oven or fridge and want to know whether and how to use it → read our appliance Sabbath mode guide, and check Star-K’s current list for your model.
• You want your phone to stop pulling at you on Shabbat — whether you’re fully shomer Shabbat, working your way there, or simply want a weekly day offline → that’s what the Shabbat Mode app is for.
• You’re comparing all the ways to make an iPhone Shabbat-friendly → start with how to put your iPhone in Shabbat mode.

The underlying idea is the same across all of them, and it’s older than any of the technology: prepare before Shabbat so that Shabbat itself can be undisturbed. Your oven learned that trick in 1997. Your phone can learn it too.

This article is for general information only, not halachic ruling. Consult your rabbi for guidance on your specific situation.