This $9 key physically locks your most addictive apps

TechCrunch ·

Autonomous Gadgets has launched Autonomous Key, a £9-equivalent NFC device intended to make app blocking harder to bypass. Users must physically scan the key to unlock selected distracting apps for up to 60 minutes, adding friction that may help reduce habitual use of services such as Instagram and TikTok.

The compact key works with Android 8.0+ and iOS 15+, can pair with several phones, and includes app-based AI habit insights without a subscription. It is cheaper than rival products, though testing found NFC scans sometimes needed repeated attempts; losing the key currently requires reinstalling the companion app if apps are locked. The product is in beta after a Kickstarter campaign and began shipping in five colours earlier this month.

In short

  • A £9 NFC key adds physical friction to app blocking.
  • It supports multiple phones and has no subscription.
  • Occasional scan failures and key-loss limitations remain.

Steelman: both sides, in good faith

The strongest fair case each way — we don't pick a winner.

The case for

Supporters view this as a practical tool helping individuals exercise agency over their own behaviour despite tech companies' addictive product designs. Since introducing friction demonstrably disrupts habitual use through behavioural science, the device offers an affordable, immediate solution for people wanting to reduce screen dependency. Rather than remaining passive to sophisticated engineering, users gain a tangible mechanism for self-regulation. Those struggling with genuine app addiction benefit from having this option available now, rather than waiting for regulatory solutions that may never arrive.

The case against

Critics argue the product risks cementing a narrative that addiction is an individual failing requiring personal purchases, rather than recognising it as a deliberate design choice by companies engineering habit formation. A £9 physical key does nothing to change the fundamental problem: billion-pound tech firms employ teams specifically to maximise engagement through addiction-promoting features. Instead of holding these companies accountable through regulation or demanding redesign for wellbeing, this product lets them escape responsibility whilst asking users to buy remedies for problems deliberately created.

Explained simply

Many apps are designed to keep people returning through notifications, personalised feeds and a steady stream of new content. Some users turn to app blockers or phone settings to limit time spent on services such as Instagram and TikTok, but these controls can be easy to switch off.

Autonomous Key is a small device that uses NFC, the same short-range technology used for contactless payments. It works with a companion app: users scan the key to allow access to selected apps for a limited time. The idea is to add a physical step to unlocking them.

The device is made by Autonomous Gadgets and is aimed at people who want more control over their phone habits. Its approach reflects a wider effort to use technology to manage technology use, while raising practical questions such as what happens if the key is lost.

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