Do all AI companion devices require a subscription?

No, but many do, and some hide it until checkout. Always check what the device costs per month and — more importantly — what functionality you lose if you stop paying. Oneira, for the record, has no subscription at all.

What happens to a companion device if the company shuts down?

It depends entirely on how cloud-dependent the device is. Devices that need company servers for their core behavior can become paperweights. Before buying, get a written answer on what works offline.

Does Oneira need an app account or an internet connection to a service feed?

Oneira has no feed, no subscription, and no app account requirement. It is sold for a one-time $139 in limited drops, with published preorder terms, a 24-hour cancellation window, and a 90-day limited hardware warranty.

Is companion hardware just a gimmick?

The category is young and uneven, but the underlying appeal — a small physical presence that is not a phone — is real. The gimmick risk lives mostly in cloud lock-in and subscription models, which is why the buying checklist focuses there.

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The Aluminum edition of the Oneira pocket companion device with its animated face visible

A new shelf has appeared in consumer tech: small devices sold not as tools but as company. Desk robots that track your face, wearable pendants that listen, pocket creatures with moods. The pitch varies, but the category — call it companion hardware — is genuinely new, which means the buying wisdom has not caught up with the marketing.

This guide is the checklist we wish every buyer ran before putting money down on any companion device, ours included. Disclosure at the top rather than the bottom: we make Oneira, one of the products in this category, and we will tell you exactly where it sits at the end. Everything before that applies to the whole shelf.

Checklist item	Oneira's answer
Subscription required?	No subscription, ever. $139 once.
Account required?	No app account requirement, and no feed inside the device.
Purchase terms	Published drop terms: 24-hour buyer-remorse cancellation, price holds for the whole drop.
Warranty	90-day limited hardware warranty.

AI Companion Devices in 2026: A Buyer's Guide to a Strange New Category

The four questions to ask before buying

Red flags worth walking away from

Where Oneira sits

How to actually decide

Frequently asked questions

Sources

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