Custom software or a subscription?

A subscription costs little to start and a custom build costs more up front. Put in your numbers to see which costs less over time, and when. For the questions beyond price, read custom or off-the-shelf.

The subscription
Onboarding, migration, or training fees.
Subscriptions usually go up a little each year.
Copying between tools, re-entering data, or fixing what it gets wrong.
The custom build
Hosting, updates, and support.

Not sure what a build would cost? The estimator gives a range in four questions.

Custom $15,400Subscription $17,139

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The custom build costs $1,739 less over 3 years.

It catches up with the subscription in month 31 (year 3).

Custom build
$15,400
Subscription
$17,139
Cumulative cost over 3 years. The custom build costs $1,739 less over 3 years. It catches up with the subscription in month 31 (year 3).$0$5k$10k$15k$20kStart1 yr2 yrs3 yrsEven at month 31

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Show the yearly totals
End ofCustom buildSubscriptionDifference
Year 1$11,800$5,900Subscription $5,900 less
Year 2$13,600$11,444Subscription $2,156 less
Year 3$15,400$17,139Custom $1,739 less

Assumes the custom build fits your work, so there is no time spent working around it, and that the subscription price rises once a year. Price is one part of the decision: a custom build is yours to change, and a subscription is someone else's to change.

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