Start with the respondent, not the editor
A form creator’s account and a respondent’s sign-in are different requirements. Decide whether the person sending you a brief can reasonably use the account named by the form provider. If that cannot be required, select “Must not be required” in Finder.
The answer depends on the operation. Evidence about downloading a shared link does not prove that uploading through a form is anonymous. A login rule verified only for uploads cannot establish the rule for a no-upload inquiry form.
Check three separate things
First, confirm that the selected plan includes uploads at all. An unavailable upload feature is not a zero-size file limit. Next, compare the largest individual file with the documented ceiling. Finally, assess total retained storage if you intend to keep a growing collection.
The table below attaches source dates and limitations to each field. A published MB figure without a byte convention is uncertain close to its boundary. Leave headroom or confirm the exact interpretation with the vendor.
A useful first check
For an illustrative client brief, inspect an 80-submission month and a largest file of 15 MB. These are example requirements, not measured traffic or a vendor recommendation. Enter your own numbers or explicitly apply the labelled example in Finder.
No login evidence or complete-cost quote means a pending result, not an assurance that a tool fits. A documented hard failure still takes priority over unrelated unknowns.
What is established for the current plans
Tally explicitly documents uploads without a respondent account. Google requires Google sign-in for upload responses, and administrator restrictions can also affect availability. Typeform Free lacks the upload question.