Quartile review: the most decision-relevant document they publish is the contract

What Quartile is, in its own words

Quartile describes its Amazon product as "automated, AI-powered single keyword campaign management" aimed at increasing ad sales with Amazon Sponsored Ads, combining what it calls cutting-edge AI with dedicated account support. It says it uses historical data and Amazon Marketing Stream to make decisions on keywords, bids and placements, and Amazon Marketing Cloud data to understand the path to purchase.

The channel coverage is broad and worth listing accurately, because it is a genuine differentiator: Amazon Sponsored Ads and Amazon DSP, Walmart, Instacart, Criteo — which reaches retailers including Target and Best Buy — and on the direct-to-consumer side Google, Meta and Microsoft.

That combination is unusual. Most tools in this category are Amazon specialists that added a second marketplace, or media platforms that added retail. A platform that runs retail media and DTC channels with a shared model is a different proposition, and for a brand whose customer journey genuinely crosses both, it is the right shape.

What Quartile does not publish is a price. There is no rate card on the site and no figures on the Amazon product page; the route is a demo request. That is an ordinary enterprise practice and it is a split rather than a norm in this market — plenty of competitors do publish. It does mean, though, that the documents you can read before a sales call are the product pages and the terms of service. This review takes both seriously, and the terms turn out to be the more useful of the two.

The published results, read carefully

Quartile publishes a set of average performance gains: +18% orders, +33% conversion rate, +41% ROAS, +38% revenue and +11% impressions. Most reviews either repeat those or ignore them. Both are a waste, because the set is internally checkable and it tells you what kind of result is being claimed.

Run the arithmetic. Revenue up 38% alongside return on ad spend up 41% implies advertising spend was roughly flat, and marginally down — about 2% lower — because return is revenue divided by spend. And revenue up 38% against orders up 18% implies average order value rose around 17%.

So the composite picture is coherent, and it is a story about efficiency rather than scale: the same money, spent better, on a slightly richer basket. Impressions rising only 11% while conversion rate rises 33% points the same way — this is not a claim about buying more reach, it is a claim about buying better-qualified reach. That is a credible shape for a keyword-level optimisation platform to produce, and the numbers hang together rather than contradicting each other, which is more than can be said for a lot of published marketing figures.

What is missing is the methodology, and asking for it is fair diligence rather than scepticism: over what period, against what baseline, across how many accounts, and computed by whom. Those questions apply to us word for word. When we say our Amazon DSP book ran at 6.04x return across 30 advertisers in July 2026 with a $5.49 cost per acquisition, the honest caveats are that it is one month, that scope, and computed internally. The useful version of any vendor claim is one that can be written into a statement of work as a measurement method rather than repeated as a promise — and that is a reasonable thing to ask of any party in this market, ourselves included.

Read the contract, not the feature grid

Quartile publishes its terms and conditions openly, and they are the most decision-relevant document any vendor in this category makes available. We could not find a single ranking review that quotes them. Here is what they say.

• Term. "the initial term of this Agreement shall be one year from the Effective Date".
• Renewal. The agreement "shall automatically renew on each anniversary of the Effective Date for successive one-year periods".
• Notice. Either party may elect not to renew "by providing written notice of non-renewal at least sixty (60) days prior to the expiration".
• Payment. Fees are "due in advance of Services rendered" and are "non-cancellable and non-refundable", with no refunds due on termination.
• Early exit. During an initial sixty-day evaluation period a client may terminate by clicking a termination button inside their own account. After that, ending the agreement early means paying an Early Termination Amount covering the remaining fees for the term.

None of this is improper. It is a conventional enterprise software contract, and publishing it where any prospective buyer can read it is genuinely to Quartile's credit — most of their peers do not. The reason to read it is that it converts into a calendar, and the calendar is what actually governs your options.

The decision calendar, drawn out

Take the clauses above and lay them on a year. Assume you sign on 1 March.

• Days 1–60. The evaluation window. You can leave using a button in your own account. This is the period in which your decision is genuinely reversible.
• Days 61–305. Committed. Leaving means paying the remaining fees for the term, and the fees you have already paid are non-refundable.
• Days 306–365. The notice window. Written notice of non-renewal must land at least sixty days before the anniversary — so by 31 December if the anniversary is 1 March.
• Day 366 onward. If notice did not go in, a second year has begun on the same terms.

Two things follow that are worth more than any feature comparison.

First, the single most valuable administrative act of the whole relationship is putting one date in a calendar during week one. Not the renewal date — the notice deadline, sixty days before it, with a reminder two weeks earlier. Miss it and the decision is made for you.

Second, the sixty-day evaluation window deserves credit that nobody gives it. Set against what else is available in this category, it is generous. Jungle Scout offers a seven-day money-back window on Catalyst. Particl offers fourteen days. Sellerboard and Scale Insights both offer about a month. Sixty days with a self-serve exit button, on an enterprise contract, is longer than any of them — and for a platform that restructures your campaigns, a longer look is exactly what a buyer needs.

The practical advice is simply to use it deliberately rather than passively. Decide before you sign what evidence would make you stay, agree who is responsible for gathering it, and review at day 45. Most companies let the window close by default and then discover the decision has hardened.

What single-keyword architecture costs to run, and to leave

Quartile's Amazon approach is built on single-keyword campaign management. It is a legitimate and well-established structure: isolating a keyword in its own campaign gives you clean attribution and precise budget control, because nothing else in that campaign competes for the same money.

What is rarely discussed is what it implies about volume. Across the 47 brands we manage, Amazon delivered clicks on 3,086,624 distinct search terms from 1 May 2026 onward — an average well into the tens of thousands per brand. Build isolated campaigns for even the top one per cent of a term set that size and you are running several hundred campaigns for a single brand. Take it further down the tail and the number climbs quickly.

That volume is precisely why the approach requires automation — no human maintains hundreds or thousands of campaigns by hand, and a platform that generates and governs them is doing real work. It is a genuine engineering strength and it should be counted as one.

It also creates a consequence worth understanding before you sign, and it is the sharpest question on this page: the account structure is part of the product. So ask, explicitly and in writing:

• If the agreement ends, do the campaigns remain in your advertising account, in a state you can operate?
• Are the negative keyword lists, bid histories and structure documentation yours to export?
• If a successor — your own team, an agency, or another platform — takes over, what is the practical migration path?

These are fair questions to ask any vendor that restructures an account, including us. What makes them urgent here is scale: unwinding a few dozen campaigns is an afternoon, and unwinding several hundred is a project. Get the answer while you still have leverage, which is before signature and during the evaluation window — not on day 306.

Where Quartile is genuinely the right answer

Three situations, and in all of them we would tell you to take the demo.

You sell across retail media and direct-to-consumer. Amazon plus Walmart plus Instacart plus Criteo-reached retailers, with Google, Meta and Microsoft on the DTC side, running against one model is a real advantage and very few vendors offer it. Dr. PPC does not.

You want Amazon Marketing Cloud and Marketing Stream used, not just mentioned. Quartile's own pages describe both as inputs to its decisioning rather than as reporting features. Streamed hourly data genuinely changes what bid management can do, and platforms that use it well are still a minority.

You want software and account support in one contract. Their positioning pairs the platform with dedicated account support, which suits an organisation that does not want to hire a specialist and does not want two vendors.

Where we would set expectations: a platform that rebuilds your campaign structure is a bigger change than switching a bidding tool, and the first sixty days will be a rebuild rather than a steady state. Judge it on the evidence available at day 45, not day 10.

And on the point where our own argument collides with theirs — measurement — the honest position is not that we can measure and others cannot. Several serious competitors run published incrementality practices. The distinction worth drawing is who designs and computes the test, and whether it is written into the statement of work. That question is fair, it applies to us, and it is what a buyer should be asking every party in the room.

Where Dr. PPC differs, and the Full Circle part

We are a narrower product and we would rather say so than win a comparison we should lose. Dr. PPC runs Amazon sponsored ads: $300 a month plus 3% of ad spend, capped at $2,500 a month, month-to-month, first 30 days free, with Orbit — our software suite — included. An AI agent does the daily work and operators supervise it.

Three differences are worth naming plainly rather than dressing up.

Commitment. We are month-to-month with no renewal term and no notice period, which means we have to earn the next month rather than rely on a calendar. That is a real difference from an annual auto-renewing agreement, and it is the one we would emphasise if you asked us to pick a single reason.

Published price. Ours is on the page and it is capped. We should add immediately that we are not consistently better on this: Dr. DSP and Dr. Stock publish no price at all and are quoted on a call, exactly as Quartile is. On transparency across the whole product line, several competitors are ahead of us.

Scope. We are Amazon-only. If your requirement genuinely spans retail media and DTC channels, we are the wrong shortlist and a broader platform is the right one.

Two places to go next if they describe you. If the requirement is programmatic — Amazon DSP, audiences, incrementality testing rather than sponsored ads — that is Dr. DSP, and it is a different conversation with a different measurement discussion. And if you are weighing platforms that publish their rates against those that do not, our page on what determines a Quartile quote sets out the variables to settle before the call.

Dr. PPC, Dr. DSP and Orbit are products of Full Circle, a full-service Amazon management company with more than $500M in managed revenue across 100+ brands.