Pebblely vs Mercatus at a glance
These two tools overlap more than most comparisons on this site — both take a product photo and put it in a generated scene. The differences are in what comes out the other end and how you pay for it.
| Feature | Pebblely | Mercatus |
|---|---|---|
| Main focus | AI backgrounds and scenes | Full AI product photography and ad creative |
| Free tier | Yes — a monthly allowance of free images | No free generations; free browser tools instead |
| Billing | Monthly subscription, quota resets | One-time credit packs, no subscription |
| Unused images | Expire at the end of the month | Credits stay until you use them |
| Output | Product photos on generated backgrounds | Studio & lifestyle photos, UGC and video |
| Marketplace sizing | Manual | Export at Amazon / Shopify / Etsy sizes |
| Pricing | Recurring monthly plans | From $0.58 per photo |
What Pebblely is great at
Two things, and both are worth saying plainly. First, the free tier is real — you can generate a meaningful number of images every month without paying anything, which is unusual in this category and makes Pebblely an easy recommendation for sellers who need a handful of shots now and then. Second, it is genuinely simple: automatic background removal, a library of ready themes, and results in a few clicks with nothing to configure. If you have one or two products and a light workload, you may never need to spend money at all.
Where Mercatus is the better fit
The picture changes once you are shooting in volume. A monthly subscription with a resetting quota suits steady, predictable usage — but product photography rarely works that way. It arrives in bursts: a new range, a seasonal refresh, a marketplace listing overhaul. Mercatus sells credits in one-time packs from $0.58 per photo, and unused credits stay put, so a quiet month costs nothing and a heavy month is not capped by a plan tier.
The output is also aimed further down the funnel. Alongside studio and lifestyle photos you can generate UGC-style content and short video from the same upload, and export images at Amazon, Shopify and Etsy dimensions rather than resizing by hand. If your end goal is a running ad rather than a single listing image, that is the practical difference.
Free tools either way
Mercatus does not have a free generation tier, so it is only fair to point at what is free: a set of browser tools that need no account at all. A white background generator for Amazon-ready shots, a background color changer, and an image resizer. They run locally in your browser, so nothing is uploaded anywhere.
The honest bottom line: if you need a few images a month, Pebblely free tier is hard to argue with — start there. Choose Mercatus when you are generating in batches, want ad-ready output rather than just backgrounds, and would rather buy credits once than carry another monthly subscription.