Comparison

Zendo vs ManyRequests

Zendo and ManyRequests both land on Depends.

Zendo

Depends

Confidence: Medium

Buy it if you run a productized or subscription service agency and want client portal, quotes, and invoicing in one tool.

Depends

Confidence: Medium

Buy if you run a productized or retainer agency drowning in client emails and want one branded portal for requests, clients, and billing.

Zendo versus ManyRequests
Compare	Zendo	ManyRequests
Verdict	Depends	Depends
Best for	Productized service agencies	Productized service agencies
Who it's not for	Solo freelancers with a few clients . invoicing tools suffice	Internal teams with no client-facing portal need
Privacy	No known public vulnerabilities found in the sources reviewed; no dedicated security page content found on¹²	Vendor publishes a security page describing encrypted servers; no product vulnerabilities disclosed, but Hudson Rock lists 84 domain credentials in infostealer logs.
Support quality	No support evidence in sources	No support evidence found.
Public sentiment	Independent user reviews are scarce; roundup sites rate it 4.8-4.9 but review counts look small.^⁵	Reviews across G2, Capterra, and FeaturedCustomers are positive, with agencies generally endorsing it for client portal workflows, though Reddit threads show buyers still comparing it against rivals.
Biggest gotcha	Ratings conflict: vendor blog claims 297 reviews at 4.8/5; G2 appears to list ~11.^⁵	Removing 'Powered by ManyRequests' branding appears to be a paid upgrade^⁹