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No-IP vs nsupdate.info: catalog facts
No-IP	nsupdate.info
Freemium Free dynamic DNS hostnames; managed DNS, domains, SSL and Enhanced plans are paid.	Free The hosted service is free and the project is open source.
Web	Web
Free hostnames on many shared domains Downloadable update client	Free dynamic DNS service Displays current public IP and reverse DNS
Useful extras are in paid plans The site pushes upgrades and promotions	Requires a network connection to update a hostname when its IP address changes.
Downloadable app, Hosted service	Web application, Self-hosted, Hosted service
Closed source	Open source
License not stated	License: BSD-3-Clause
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.