1
Define the deliverable
Write down the intended audience, subject, duration if relevant, publishing channel, and whether you need a downloadable file. A casual concept test and a client delivery have different thresholds.
2
Check access before testing
Inspect each service’s current terms for trial availability, export restrictions, commercial permissions, and any required account or payment step. Do not infer those details from the word “free” in a search query.
3
Run a matched trial
If both services are available to you, use the same non-sensitive brief. Compare the setup effort, how revisions work, and what you can actually take away. Keep notes so a striking preview does not overshadow a missing requirement.