A perpetual license is bought once and grants the right to keep running the software indefinitely, rather than renewing to retain access. Vendors also sell it as a lifetime license or a one-time purchase. Its opposite is a subscription, which stops working when you stop paying.
In plain English
Under a subscription you are renting. Miss a renewal and the library you built is still there, on your storage, but the software that reads it will not open. Under a perpetual license you own the right to run that version, and no invoice can revoke it.
That distinction sounds absolute and is not. What you buy is the right to run a version — not a promise of future versions, nor of support, nor that the vendor will still exist. This is why the practical question is never “perpetual or subscription?” but “what happens to my assets if I stop paying, and can I still get them out?” A tool that writes standard metadata into files — embedded, or in a sidecar file — answers that question well under either licence.
A model that is quietly disappearing
Across DAM, the perpetual license has largely gone. Daminion, the highest-scoring tool in our testing, retired its one-time perpetual license for teams and now quotes on an annual-subscription basis — while continuing to offer genuine lifetime licences to nonprofits and grant-funded organizations. The exception survived; the default did not.
Among single-user photo library tools the model is still normal. Eagle sells for around $30, once. ACDSee Photo Studio is the strongest one-time-purchase alternative to the subscription treadmill, and Excire Foto and Photo Mechanic are bought outright too. The pattern is legible: perpetual licences persist where software runs on one person's machine, and recede wherever a server, an account system or a support contract sits between you and the files.
Why nonprofits care, and it is not the discount
This is the part most buyers miss, and it is about how money arrives rather than how much of it there is.
A discounted subscription still has to be re-budgeted every single year. A one-time licence does not. An organization funded by a grant — money that lands once and is then spent — can buy a perpetual licence with that grant and keep the tool long after the grant is closed. It cannot promise a renewal it has no line item for.
Which is why a genuine lifetime licence is a categorically different offer from “30% off the subscription,” even when the first-year cost is identical. Our nonprofit ranking treats this as the deciding factor rather than a footnote.
Ask this before budgeting around a “lifetime” licence: whose lifetime? Vendors use perpetual and lifetime interchangeably, but perpetual describes a right and lifetime is marketing language that leaves the term undefined — yours, the product’s, or the company’s. Ask which version the licence covers, whether upgrades are included, and what happens when that version stops being supported. Get the answer in writing before the grant clears.
A licence cost of zero is not a total cost of zero
The perpetual license’s logical extreme is open-source software, where the licence costs nothing at all — and where the total can still exceed a paid tool’s.
Our own worked example: a 6-person nonprofit with 30,000 images running ResourceSpace pays $0 in licences, plus roughly 16 hours of skilled setup and 2–4 admin hours every month. Priced at $50/hour of opportunity cost, that is about $2,000 in year one — more than several commercial subscriptions cost over the same period. The licence line was never the expensive one. It rarely is, which is the single most useful thing to understand about software pricing in this category.
Related terms
See it in action
Our nonprofit DAM ranking covers who still offers a real lifetime licence and who offers a discount dressed as one, and DAM pricing models explained walks through the four recurring models — per-seat, per-image, flat-rate and free self-hosted — that most vendors have moved to instead.
FAQ
What is a perpetual license?
A licence you buy once, granting the right to keep running the software indefinitely rather than renewing to retain access. It is also sold under the names lifetime licence and one-time purchase, and the three terms are generally used interchangeably. The opposite is a subscription, which stops working when you stop paying.
Do DAM vendors still offer perpetual licenses?
Rarely, and it is worth checking rather than assuming. Daminion retired its one-time perpetual licence for teams and now quotes on an annual-subscription basis, but it still offers genuine lifetime licences to nonprofits and grant-funded organizations. Among photo library tools, one-time purchase remains normal: Eagle sells for around $30 once, and ACDSee Photo Studio is the strongest one-time-purchase alternative to a subscription.
Why do nonprofits care about perpetual licenses specifically?
Because of how the money arrives, not how much of it there is. A discounted subscription still has to be re-budgeted every year; a one-time licence does not. An organization funded by a one-time grant rather than an ongoing operating line can buy a perpetual licence with grant money and keep the tool after the grant is spent. This is why a genuine lifetime licence is meaningfully different from a percentage discount on a subscription.
Is a perpetual license cheaper than a subscription?
Over a long enough horizon, usually. But the licence is only one line of the cost. Free open-source software has no licence fee at all and can still be the more expensive option: our worked example puts a 6-person nonprofit running ResourceSpace at roughly $2,000 in year one once ~16 hours of skilled setup and 2-4 admin hours a month are priced at $50/hour. A licence cost of zero is not a total cost of zero.
What is the difference between a perpetual license and a lifetime license?
In practice, nothing - vendors use both names for the same thing. Strictly, 'perpetual' describes the right to run the software forever, while 'lifetime' is marketing language that leaves the lifetime in question undefined: yours, the product's, or the company's. When a vendor says lifetime, ask which version the licence covers and what happens when that version stops being supported.
Sources
- Daminion review — the one-time perpetual team licence was retired; lifetime licences remain for nonprofits and grant-funded organizations. Licensing terms from the vendor’s own pricing page, accessed July 2026, and verified customer reports on G2 and Capterra — not independently verified by PhotoLib. See how we source claims.
- Nonprofit DAM ranking — "a discounted subscription still needs to be re-budgeted every year, while a one-time license doesn't." July 2026.
- Free & open-source ranking — the ResourceSpace worked example: $0 licences, ~16 hours of setup, 2–4 admin hours monthly, ~$2,000 in year one at $50/hour. July 2026. Setup and admin hours are PhotoLib tested.
- Small-business ranking — Eagle at around $30, once, per licence. July 2026.