Digital detox devices: what they are, and which one suits you

"Digital detox" is usually written about as a mood — a weekend away, a resolution, a thing you decide. This guide is about the hardware, because the decision is the part that reliably fails and the object is the part that does not. Every device below works on the same principle: put distance between you and the phone, so that going back is a physical act you would notice yourself performing rather than a reflex you carry out before you have finished having the thought.

What follows is every category that actually exists, what each one physically prevents, and how each is defeated. We sell one of these, and that section says so plainly and also says when not to buy it.

The four kinds, compared

1. Timer lockboxes

A container with a timer lid. You put the phone in, set a duration, and it will not open until the timer runs down. They are cheap, need no setup, no app and no pairing, and they are the strictest thing on this list — the phone is genuinely, physically unavailable.

That strictness is also the whole problem. A lockbox does not distinguish between Instagram and your mother calling, because it cannot see either — it is a box. The risk is not that it fails but that it works too indiscriminately on the one evening it mattered, and a tool that has cost you that once is hard to keep using. If you live alone, have no dependants and no on-call obligations, that may never bite. If you have a child at school, expect it to.

Buy one if what you want is a total, scheduled disconnection — a Sunday, a retreat, a writing morning — rather than a daily working arrangement.

A timer lockboxThe whole phone goes in, calls included, until the timer runs down. The strictest thing on the list, and the most indiscriminate.

ANOTHER ROOM

LOCKED

A physical keyThe phone stays in your pocket. Only the apps you picked are shut, calls get through, and unlocking means walking to the key and holding the phone against it.

2. A second phone, or a dumbphone

Move your SIM to a basic handset for the day and leave the smartphone at home. Nothing is blocked, because the apps are not there to block. This is the oldest version of the idea and, for a small number of people, still the best one.

It fails on logistics rather than on willpower. Two devices means two batteries, two-factor codes on the wrong handset, a banking app you suddenly need, a QR payment you cannot make, and a swap ritual you have to perform twice a day and will eventually stop performing. The people it works for are the ones whose smartphone dependency is genuinely optional — which, if you are reading a page about detox devices, it probably is not.

3. Minimal phones and grayscale

E-ink handsets, launcher replacements that hide everything behind a text list, and turning the screen grayscale all work on the same theory: make browsing dull and you will do less of it. Grayscale in particular costs nothing and is worth trying tonight — it is under Accessibility on both platforms, though Google notes the Android setting is not on every device.

Be clear about what this category is, though. None of it enforces anything. It raises the price of a feed slightly and leaves every route open, which is why it tends to work for a couple of weeks and then stop: the unpleasantness habituates, and the apps are still exactly where they were. Treat it as a genuinely useful supplement to something with teeth, not as the something with teeth.

4. Physical keys (Bluetooth or NFC)

A small object you have to go to — and hold your phone against, or tap — before the blocked apps will open. You lock the apps with a tap on the phone you already own, leave the key in another room, and the apps stay shut until you walk to it and unlock. Spark is one of these, sold as a Bluetooth key or a cheaper NFC one. The others we compare are NFC-based: Brick is a purpose-built NFC device, Unpluq an NFC tag that works alongside a subscription, and Foqos a free iPhone app that uses any NFC tag or a printed QR code. The comparison pages cover each of them.

The reason this category exists at all is the emergency problem the lockbox has. The phone stays in your pocket, so calls get through and everything you did not choose to block — messages, maps, payments, your alarm — keeps working; only the apps you picked are shut. What you give up is absoluteness: nothing stops you fetching the key, and nothing should, because a device that could genuinely trap you out of your own phone would be a worse object to own.

The honest limits are worth stating before you buy anything. A key you keep in your pocket is seconds away, and that is the thing this whole category exists to prevent — the distance is the product, the object is only how you get it. Ours is not cryptographic, either: the Bluetooth key's signal can be recorded and replayed, and the NFC key is a standard tag that can be copied, so it stops a moment of weakness rather than a determined person. And enforcement is bounded by what each mobile platform permits a blocker to do, which differs between iOS and Android and is written up separately rather than glossed over here.

Brick

Tap the device to end a session

Unpluq

Tap the Tag, or shake the phone for five seconds

Foqos

Scan a tag or code you hid somewhere inconvenient

ANOTHER ROOM

LOCKED

Spark (ours)

A key left in another room, held to the phone to unlock

How to choose, in three questions

1. Do you need to be reachable while it is working? If yes, a lockbox is out, and it is out for good rather than for now — this is the constraint people discover after buying.
2. Is the problem the phone, or specific apps on it? If you genuinely reach for the device out of boredom, distance from the whole phone is the answer. If it is four apps, blocking four apps is a smaller change that you will actually keep.
3. What will you do at the six-month mark? Every method on this list survives week one. Ask which one you can imagine still using when it has stopped being novel and has become slightly annoying, because that is the only test that matters.

What none of these fix

No object addresses why you reach for the phone. If the pull is anxiety, boredom at work, or avoiding a specific task, a lockbox buys you an afternoon and changes nothing underneath — and the honest version of this page has to say so, because the alternative is selling hardware as a treatment for something it does not treat.

What the hardware genuinely does is remove the decision from the moment you are least equipped to make it. That is a real and underrated thing, and it is enough on its own to be worth the money for a lot of people. It is not the same as a fix, and a page that implied otherwise would be worth less than this one.