How manipulative website and app design tricks children and families into unwanted subscriptions and recurring charges — and what to do about it.
Dark patterns are deliberate interface design choices that manipulate users into actions they did not intend, such as signing up for a paid subscription or sharing more personal data than they meant to. Auto-renewing subscriptions targeted at children and families are a growing consumer harm, and UK regulators are actively investigating the practice.
Services lure users with free trials that require card details and automatically convert to paid subscriptions with minimal notice. Pre-ticked consent boxes, confusingly worded opt-outs, and cancellation flows designed to be as difficult as possible are all common tactics. Children are especially vulnerable because they may not read terms carefully or understand recurring billing.
1. Enable purchase approval on app stores
On iOS, turn on Ask to Buy in Screen Time settings so every purchase requires your approval. On Android, enable authentication for purchases in Google Play Settings.
2. Use a prepaid card for child accounts
Link a low-balance prepaid card rather than your main debit card to any account your child accesses. This limits the damage if a subscription trap is triggered.
3. Review subscriptions monthly
Check the Subscriptions section in your Apple ID and Google Play account regularly. Set a monthly reminder and cancel anything you do not recognise immediately.
Last reviewed: 2026-04-19