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Subscription annualizer: what the annual plan really costs per month
Black Friday subscription deals hide their math: "$79.99/year" and "pay for 10 months, get 12" and plain monthly billing are three different prices for the same year. Convert them all to effective monthly cost and compare on one line.
Subscription annualizer: monthly vs annual
Enter the monthly price and the annual plan price. If the annual deal is "pay for 10 months, get 12", set the coverage months to 12 and paid months to 10 — the tool converts everything to one comparable number.
Monthly for a year: $119.88
Annual plan: $6.67/month effective · $39.89 saved (33.3%)
The annual price equals 8 months of monthly billing — with the promo it works out to $8.00 per month you actually get.
Annual plans trade flexibility for price — check renewal terms: many step back up to full monthly pricing automatically.
Reading the output
The effective monthly rate is the annual price divided by the months it actually covers — 12 for a standard year, 12 for a "pay for 10" promo. That number is the only fair comparison against monthly billing. The "months equivalent" line answers the same question from the other side: how many months of monthly billing would the annual price buy.
Annual plans are a one-time decision with a year-long tail — the price is right only if you'll still use it in month 9. And Black Friday software deals stack: an annual plan bought through a shopping portal earns cashback the way our cashback stacker models, and checkout-time coupon savings are what the stacked discount calculator is for.
Sources & verification
- DiscountCalc — cashback stacker (card + portal + rebate)
- DiscountCalc stacked discount calculator — percentage compounding engine
Sources last verified 2026-11-04. Retailer policies and sale calendars change without notice — treat the retailer's own help pages as the authoritative version before you buy.
Subscription prices, promo structures and renewal terms are set by each vendor and change without notice — check renewal pricing before committing to an annual plan.