3Dsellers vs Flowlister

3Dsellers and Flowlister both land on Depends.

3Dsellers

Depends

Confidence: Medium

Buy if eBay is your main channel and you want listings, orders, CRM, and AI tools in one subscription.

Depends

Confidence: Medium

Buy if you list high volumes on eBay and want photo-to-listing automation with sold-comp pricing.

3Dsellers versus Flowlister
Compare	3Dsellers	Flowlister
Verdict	Depends	Depends
Best for	High-volume eBay sellers	eBay-first resellers
Who it's not for	Casual or hobby eBay sellers . eBay's free built-in tools suffice	Low-volume sellers listing a few items a month
Privacy	Published security and privacy pages plus public API docs; no known public vulnerabilities found in the sources reviewed.^⁹	No known public vulnerabilities found in the sources reviewed; Gridinsoft gives 68/100 with mixed signals.
Support quality	No direct support evidence found	No evidence in sources
Public sentiment	Sellers on Trustpilot, G2, and Capterra largely praise the all-in-one convenience and ease of use, while a minority report negative experiences.^³	Feedback is split: some sellers report fast, easy listing workflows while others say the AI rarely worked.¹⁶
Biggest gotcha	Entry price varies by source ($14.9-$19); confirm current tier before committing^²	Starter caps 95 AI listings/month, Pro 375; overage and rollover policies undisclosed¹²

Casual or hobby eBay sellers . eBay's free built-in tools suffice
Amazon- or Shopify-first sellers . this is an eBay manager at heart
Teams needing enterprise SLAs or audited security from a large vendor
Guess: sellers needing guaranteed listing limits . tier caps aren't clearly published