Software and services that were once bought outright are now overwhelmingly rented. The shift was driven by what recurring revenue does to a company's finances rather than by anything the customer asked for.
One-time sales produce lumpy revenue
A business selling perpetual licences earns heavily in the months after a release and very little between releases, which makes revenue depend on the release schedule.
That pattern is difficult to plan around, since staffing and investment decisions must be made against income that arrives unevenly.
Recurring billing converts the same customers into a steady monthly figure, which is easier to forecast and considerably more valuable to anyone assessing the business.
The total paid over time is usually higher
A customer who would have upgraded every few years, or not at all, pays continuously instead, and the cumulative amount typically exceeds the old purchase price within a few years.
The monthly figure is small enough to be approved without much deliberation, which is a different purchasing decision from a single large outlay.
Cancellation requires an active step, and inertia means many subscriptions persist well past the point of regular use.
Costs genuinely became recurring too
Software delivered over a network incurs ongoing hosting, security and support costs, which a single payment at purchase does not fund.
Continuous delivery of updates replaced the older pattern of large periodic releases, and that model requires a development team funded continuously rather than in cycles.
To that extent recurring pricing matches the underlying cost structure, which is the strongest argument made for it.
Pricing power increases after the sale
Once data, workflows and integrations sit inside a service, moving elsewhere involves migration work, retraining and risk, all of which fall on the customer.
That accumulated cost of leaving allows prices to be raised with less attrition than the same increase would cause at the point of first purchase.
Tiering reinforces it, since features are distributed across levels so that growth in usage moves an account upward without any new sale being made.
The trade-off is ownership
A perpetual licence continued working after payments stopped, while a subscription that lapses generally removes access to the tool and sometimes to the work made with it.
This is why file formats and export options have become a point of contention, since they determine what a customer retains when the relationship ends.
Resistance has been strongest where a product is used occasionally, because the recurring model prices continuous access to something the customer wanted intermittently.