Free trials exist for one reason: to get your payment details on file before you've decided whether you actually want the product. The gap between "this is interesting" and "I forgot to cancel" is where subscription businesses make their money.

Here's how seven of the most common services structure their trials — and what to watch out for.

1. Adobe Creative Cloud

The trap: Adobe's most common offer is a free 7-day trial that requires a full annual commitment. If you cancel before the year is up, you'll pay 50% of the remaining contract as an early termination fee.

The catch: The free trial converts to an annual plan, not monthly. Many users think they can cancel any time — they can't without paying the fee.

How to protect yourself: If you only need Adobe products short-term, choose the month-to-month plan (it's more expensive per month but has no annual commitment). Set a reminder before the trial ends.

2. Amazon Prime

The trap: Amazon bundles so many services into Prime — free shipping, Prime Video, Prime Music, Prime Reading, pharmacy discounts — that cancellation feels like losing multiple things at once. This is by design.

The catch: Prime trials are often offered during checkout when you're already buying something, making it easy to click through without fully registering what you've signed up for.

How to protect yourself: Evaluate Prime purely on its cost vs. how often you use same-day or next-day shipping. The other benefits are nice but rarely justify the cost on their own.

3. Netflix

The trap: Netflix no longer offers free trials in most countries, but legacy users who signed up years ago may still be on old plans with different pricing tiers. Netflix periodically emails about plan changes — easy to miss.

The catch: Profile personalisation. After months of watching history, cancelling feels like losing something — recommendations, watch history, saved content. This psychological anchoring is part of why Netflix has such high retention.

How to protect yourself: Check your current plan price in Account settings. If you haven't watched anything in 3+ months, it's probably time to cancel.

4. Duolingo Plus

The trap: Duolingo offers a free 2-week trial of Plus during an emotionally engaged moment — when you've just started a learning streak and are most motivated. The trial auto-renews annually.

The catch: The annual renewal notification email is easy to miss, and Duolingo doesn't send reminder emails before charging.

How to protect yourself: Set a calendar reminder for 2 weeks after starting any trial. If you're still actively using it at that point, keep it. Otherwise cancel before the charge hits.

5. Audible

The trap: Audible's credit model creates artificial lock-in. Each month you're charged, you get a credit that can only be spent on Audible. If you cancel, your unused credits expire. This makes cancellation feel like throwing money away.

The catch: The credit model keeps people subscribed "just one more month" to use the credit they already paid for, which triggers another charge for another credit they didn't really need.

How to protect yourself: Use any existing credits before cancelling. Don't let the sunk cost of unused credits keep you paying for a service you're not actively using.

6. Apple One / Apple Services

The trap: Apple One bundles iCloud, Apple Music, Apple TV+, Apple Arcade, and Apple Fitness+ into a single subscription. Individually, these services feel easy to justify. Bundled, the monthly cost ($22.95–$37.95) is harder to evaluate.

The catch: Apple's ecosystem integration means these services become part of daily habits quickly. Cancelling Apple One means losing access to all of them simultaneously, which many people find psychologically harder than cancelling one service at a time.

How to protect yourself: List out each Apple service separately and ask: would you pay for this individually? If you only use 2 of the 5 services, individual subscriptions (or none) may be cheaper.

7. VPN Services

The trap: VPN providers almost universally offer an extremely cheap "first month" or "first year" introductory price — sometimes 80% off — that renews at the full price without clear notification.

The catch: The renewal price (often 3–5x the intro price) is in the terms but rarely prominent in the marketing. A $2.99/month deal for the first year renews at $11.99/month.

How to protect yourself: Always check the renewal price, not just the promotional price, before signing up. Set a reminder 2 weeks before your introductory period ends.

The Simple Rule

Before starting any free trial: set a reminder for 2 days before it ends. Not "when it ends" — 2 days before. That gives you time to cancel without rushing.

Or connect your Gmail to Subscription Incinerator and let it catch them automatically.