One-Time vs Subscription Licensing: Which to Use?

Originally published on the Keylight blog . "Should I charge once or charge monthly?" is one of the first real decisions an indie app faces, and it is usually answered by copying whoever the founder admires rather than by what fits the product. Both models are legitimate. This post lays out when each one actually makes sense, the honest tradeoffs, and how Keylight models perpetual keys and renewing subscriptions so the licensing follows your pricing instead of constraining it. The two models, defined A one-time (perpetual) license is a single payment for a license that does not expire. The customer owns that version — and usually some agreed window of updates — forever. Think of the classic "buy version 3, use it as long as you like" desktop app. A subscription license is a recurring payment for continued access. The license is valid while the customer keeps paying; stop paying and access ends or degrades. The recurring revenue funds ongoing development and any server-side costs the app carries. The distinction is not about the dollar amount — it is about what the customer is buying: ownership of a thing, or ongoing access to a service. Get that framing right and the model usually picks itself. When a one-time license is the right call A perpetual license fits when your app is a tool the customer owns and runs locally , with low ongoing cost to you per user. A focused Mac utility, an audio plugin, a developer tool that does its job on the user's machine — these have little marginal server cost, so charging rent for access is hard to justify and customers feel it. One-time pricing also builds trust. There is no metering, no "what happens if I stop paying," no fear of being locked out of work they already did. For tools people depend on, that ownership feeling is a genuine selling point, and it is exactly the kind of no-value-extraction stance that earns goodwill with developers and power users. The tradeoff is honest: revenue is lumpy and front-loaded. You get paid o