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A flat fee, or a cut
of everything you spend?
Percentage pricing looks small on a pricing page and large on an invoice. Put your real monthly ad spend in and see a year of it, next to the flat alternative.
See the yearMirox plan
Bis zu 50 ASINs · Bis zu 6 Marktplätze. Billed €399 a month in euro and $449 in dollars — two set prices, not one converted.
| Tool | Published model | Per month | Per year |
|---|---|---|---|
| Mirox Growth | €399/mo flat · no % of spend | $449 | $5,388 |
| Pacvue | Not published — quote onlyThird-party estimate · SmartScout roundup, September 2025 | $1,500 | $18,000+$12,612 vs Mirox |
| Perpetua | $695/mo + an unpublished % of ad spend over $10K | $695 | $8,340+$2,952 vs Mirox |
| Teikametrics | $179/mo ($149 on annual) + 3% of ad spend over $10K | $1,379 | $16,548+$11,160 vs Mirox |
At $50,000 a month, the most expensive of the three costs $18,000 a year, of which 67% is a cut of your ad spend rather than a price for the software. That is the part that grows when your bill grows — which is the wrong way round for a tool sold to lower it.
Competitor figures verified 2026-09-04 (2026 Q3) from the vendors’ own pricing pages, G2 and Capterra — the same source and the same date as the comparison matrix. Pacvue publishes no pricing at all, so its row is a third-party estimate, marked as one above — modelled here so the comparison shows a real cost rather than a blank, not because Pacvue quotes it. Vendors that publish an entry price and quote the rest on a sales call are shown at that entry price, which is the floor, not the quote. Spot an error? info@mirox.pt — we correct and credit.
Why we took the percentage out of the model
Most of the category charges a base fee plus roughly 3% of ad spend. Read that as an incentive rather than a price and the problem is immediate: the vendor’s revenue rises with the bill it has been hired to lower. Nobody at those companies is acting in bad faith — the model simply pays more for the outcome you do not want, and models win arguments over intentions eventually.
A flat fee has the opposite property. If Mirox cuts your spend by a third, our revenue is unchanged and yours improves. That is the whole argument, and it costs us money at the top of the market, where a percentage would earn far more from a seller spending €250,000 a month than €399 does. We think that is the correct trade and we would rather defend it on a page like this than bury it.
The honest caveat: a flat fee is worse value at the very bottom. Below roughly €5,000 a month in ad spend, €149 is a meaningful share of the budget and a percentage model may genuinely cost you less. The waste calculator will tell you which side of that line you are on, and Simulation Mode is free either way.
Questions this raises
- Why does a percentage of ad spend cost so much more at scale?
- Because it is indexed to the thing the tool is meant to reduce. A flat fee is the same number whether you spend €10,000 or €100,000 a month; 3% of spend is €300 in the first case and €3,000 in the second, for software that did not get ten times better. Worse, the vendor now earns more when your spend goes up, which is the opposite of the incentive you are paying for.
- Are these the real competitor prices?
- They are the published entry prices, taken from each vendor's own pricing page, G2 and Capterra, and verified 2026-09-04. Two of the three quote properly only on a sales call, so the figures here are a floor rather than a quote — your actual number after a negotiation will be higher, not lower. If a vendor has changed its pricing since, write to us and we will correct the table and credit the source.
- Why is the table in dollars when Mirox bills in euros?
- Because dollars are what those three vendors publish, and converting their prices would put a number on the page that none of them charges. Mirox is the exception and is labelled as one: the euro charge is printed beside every converted figure, and the conversion uses the day's ECB fixing rather than a rate frozen in our source code.
- Does Mirox ever charge a percentage of spend?
- No. There are four prices — €0 for Simulation Mode, €149, €399, and €899+ for Scale — and they are on the pricing page rather than behind a form. What changes between tiers is how many ASINs and marketplaces are covered, not how much you spend on ads.
- What is not in this comparison?
- Everything that is not a fee. Onboarding costs, minimum contract terms, the price of the person who runs the tool, and whether the tool can tell you why it changed a bid are all real costs and none of them are on this page. The feature-by-feature comparison is a separate page, and it is the one that should decide the purchase.
Priced on the page
The price is on the page.
The price is the price.
No sales call to find out what it costs, no percentage that grows with your spend, no annual lock-in. Start in Simulation Mode for nothing and decide with 30 days of evidence.
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