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Subscription vs One-Time Cost Calculator

المالية

Compare recurring subscription spend against one-time purchase costs over time.

ttb run subscription-vs-one-time-calculator

Cost assumptions

Subscription total by horizon
$1,740.00
One-time total by horizon
$894.00
Break-even point
Month 20

Cumulative spend over time

M1
Subscription$29.00
One-time$499.00
M6
Subscription$174.00
One-time$499.00
M12
Subscription$348.00
One-time$578.00
M18
Subscription$522.00
One-time$578.00
M24
Subscription$696.00
One-time$657.00
M30
Subscription$870.00
One-time$657.00
M36
Subscription$1,044.00
One-time$736.00
M42
Subscription$1,218.00
One-time$736.00
M48
Subscription$1,392.00
One-time$815.00
M54
Subscription$1,566.00
One-time$815.00
M60
Subscription$1,740.00
One-time$894.00

Discounted present value

Subscription NPV
$1,500.04
One-time NPV
$830.26

When subscriptions win: low commitment, bundled updates, and minimal maintenance burden.

When one-time wins: long usage windows, predictable upgrade cycles, or when the recurring fee compounds past the upfront license quickly.

شارك هذه الأداة:

كيفية استخدام Subscription vs One-Time Cost Calculator

Enter the monthly subscription cost, any setup fee, the one-time purchase price, annual maintenance or upgrade costs, your planning horizon, and an optional discount rate. The calculator compares cumulative spend over time, estimates the break-even month, and also shows discounted present-value costs so you can make cleaner buy-versus-subscribe decisions for software, services, memberships, and business tools.

1

Set the two pricing models

Enter the recurring subscription price on one side and the one-time purchase plus annual upkeep on the other.

2

Choose your time horizon

Pick the number of years you realistically expect to use the product.

3

Review the break-even month

See when recurring spend catches or passes the one-time alternative.

4

Compare discounted totals

Use the present-value section if you want to account for the time value of money.

الأسئلة الشائعة

Why add a discount rate?+
Because money spent later is generally less expensive in present-value terms than money spent today. A discount rate makes long-term comparisons more realistic.
What counts as maintenance?+
Annual support, upgrade fees, plugin renewals, hosting, or any ongoing cost tied to the one-time option.
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