Comparable to default OS copy for small files; advantage shows on large files, slow drives, or unstable media due to resume and error handling.
However, the developer, often operating under the branded name "Supercopier" or offering the "Ultimate" edition, monetizes the software by selling a product key. This key doesn't necessarily unlock a "better" file-moving algorithm; it unlocks the "official" user interface, themes, and technical support. It is a monetization model that relies on the user's willingness to pay for convenience and polish, rather than strictly for functionality. ultracopier product key
The standard version of Ultracopier is completely free under the GPLv3 license. However, the developer offers an Ultimate version Comparable to default OS copy for small files;