Monthly vs yearly billing: when annual plans actually save money

How to work out the real discount

Services advertise yearly plans as “two months free” or “save 17%”. Check it yourself in ten seconds:

1. Multiply the monthly price by 12. That’s what a year costs on monthly billing.
2. Subtract the yearly price. That’s your saving if you keep it all year.
3. Divide the saving by the monthly-billing year for the discount as a percentage.

For a €9.99 monthly plan with a €99.99 yearly option: 12 × €9.99 is €119.88, so the yearly plan saves €19.89, a discount of about 17%.

The break-even month

The discount only tells half the story. The other half is how long you’ll really keep the service. Divide the yearly price by the monthly price and you get the break-even month: the point at which paying yearly starts to pay off.

For the example above, €99.99 ÷ €9.99 is about 10. If you would cancel before month ten, monthly billing is cheaper. If you’d keep it longer, yearly wins.

When yearly billing makes sense

• You use it daily or weekly, like a password manager, cloud storage or a notes app.
• You’ve already used it for a few months on monthly billing and know it fits.
• The discount is meaningful. A saving of 15% or more is worth locking in. A few percent rarely is.
• You can pay the lump sum comfortably, without it squeezing that month’s budget.

When to stay monthly

• New services you’re still trying. The flexibility is worth more than the discount.
• Seasonal services, like sports streaming during the season or a fitness app for a training block.
• Services you rotate, such as streaming you switch between every few months.
• Plans you might downgrade. Locking in a premium tier for a year removes the option to move down.

The hidden costs of yearly plans

• Refunds are limited. Many yearly plans can only be refunded within a short window, and app store refunds are never guaranteed.
• Introductory prices end. A discounted first year often renews at the regular price.
• One big, forgettable renewal. The charge arrives eleven months after you stopped thinking about it.
• Less pressure to review. Monthly charges remind you the service exists. Yearly ones don’t.

There’s one upside people miss: a yearly plan usually protects you from price rises until it renews, because the new price applies from your next billing date.

Worked example: one year, two choices

The break-even month here is €79.99 ÷ €7.99, almost exactly ten. The question isn’t “is yearly cheaper?” but “will I still be using this in ten months?”

Common mistakes

• Comparing the yearly price with one month rather than twelve.
• Going yearly in the first week, before you know whether you’ll keep using it.
• Forgetting that intro prices renew at full price. Check the renewal price, not just the first year.
• Budgeting yearly plans only in their renewal month. Count them as a twelfth every month. Here’s why.
• Assuming yearly is always the “smart” choice. It’s only smart for things you’ll keep.

Seeing both numbers at once

The easiest way to make this decision is to see every subscription in the same unit. A €79.99 yearly plan is €6.67 a month. A €2.99 weekly plan is €12.96 a month. Lined up side by side, it’s obvious where your money goes.

Billbase converts every billing cycle to monthly and yearly figures, so yearly plans sit right next to monthly ones. It reminds you before each renewal: three days ahead on the free plan, and up to two weeks ahead with Pro, which is useful for big yearly charges. When a price rises, this guide helps you decide whether switching billing is the right answer.