TreeSize Sparks Outrage Over Perpetual License and Subscription Policies

JAM Software is forcing TreeSize disk space analyzer users into a subscription model to maintain access to technical support and software updates once their perpetual license maintenance windows close. The policy shift has sparked backlash among long-term customers who invested in permanent licenses, according to reporting from Ars Technica.

The 2025 Pivot to Recurring Revenue

The friction is the result of a broader strategic transition. Since 2025, JAM Software has moved most TreeSize editions toward subscription-based pricing. Under the current framework, perpetual license holders receive a 12-month window of updates and support. Once that year expires, the software remains functional, but users must pay for a subscription to receive any further updates, regardless of their original purchase status.

The Narrow Path for Perpetual Licenses

Currently, JAM Software limits the sale of perpetual licenses primarily to the TreeSize Personal edition. These licenses grant a one-year window for support, updates, and access to older software versions. While users can pay to extend this specific period, the company is increasingly steering its customer base toward subscriptions to ensure software currency.

Hendrik Christ, a product manager at JAM Software, told Ars Technica that the company has no plans to discontinue the sale of perpetual licenses for TreeSize Personal.

The Installer Deadlock

The conflict extends beyond mere updates. JAM Software maintains a rigid policy regarding the retrieval of license keys and installers. Ars Technica reports that the company refuses to provide these materials to perpetual license holders once their support period has ended.

This creates a precarious situation for the user. If a customer loses their original installation files or keys after the maintenance window closes, they may find it impossible to reinstall the software without agreeing to a new payment plan.

SaaS Pressure and the Utility Gap

This move mirrors a wider industry migration toward Software as a Service (SaaS) models, replacing one-time ownership with recurring fees. For TreeSize users, the tension lies in the gap between the right to use the software and the right to update it. To keep the tool compatible with security patches or new operating system updates, users must now pay recurring fees.

For those utilizing the professional and enterprise editions, the shift since 2025 has been absolute: the option for a one-time purchase for those tiers has been removed entirely.