What makes software durable?
A durable software business keeps its customers when tools improve, markets change and the founder steps back. Here is how we test for it.
Contents4.1What is a durable business?1 / 5
§ 4.1
What is a durable business?One that customers would miss.
A durable software business does a specific job that customers need again and again. It keeps those customers without heavy spending, and it does not depend on one person, one channel or one platform.
- Customers can say why they renew.
- Demand continues when the founder stops promoting it.
- The product can be maintained without a rewrite.
§ 4.2
Six signs of durability.Each one can be checked.
- Sign 1
A specific job
The product solves one clear problem for one kind of customer, and does it well.
- Sign 2
Repeated use
Customers use it every day or every week, not once a year.
- Sign 3
Retention without effort
Customers renew without discounts, calls or campaigns.
- Sign 4
Transferable demand
New customers come from search, referrals and the product itself, not only from the founder’s audience.
- Sign 5
Maintainable technology
The code, the infrastructure and the dependencies can be understood and run by someone new.
- Sign 6
Understandable economics
The business generates cash after it pays for the work it needs.
§ 4.3
How to test it.Questions to ask of your own business.
Stronger
- Customers who joined three years ago are still paying.
- Revenue held steady in a month when you did no marketing.
- A new developer could deploy a fix within a week.
Weaker
- Most new customers come from your personal posts.
- One platform change could remove most of your traffic.
- Only you understand how the product is deployed.
§ 4.4
Durability when tools change.Including AI.
New tools make some software easier to build. That does not make every product easy to replace. Customers stay for trust, data they have added, a workflow they know and support that answers.
Ask what a customer would lose if they moved: their history, their integrations, their habits, the time to learn something new. The more they would lose, the more durable the product is.
A product that is a thin layer on another company’s service is less durable. If that service changes its price or its terms, the product changes with it.
§ 4.5
Founder questions.Short answers.
Is a flat business durable?
It can be. A business with loyal customers and steady cash can be very durable without growth. Flat revenue with rising churn is a different story.
Does a small niche hurt durability?
Often it helps. A product that serves a narrow group well can face less competition than a broad product that serves many groups loosely.
Why does Playbook Media care about durability?
We plan to own businesses for the long term. A business that only works for a year or two does not fit that plan.
- 1This guide is general information. It is not legal, tax or financial advice. Talk to your own advisers before you sign anything. ↩
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