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SPECIFICTION
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Adstacker vs Kettio

Adstacker

adstacker.io

Kettio

kettio.com

Side by side

FigureAdstackerKettio
Price from$99/mo$29.99/mo
Free plan—Yes
Free trial——
Open source——
WebYesYes
API—Yes
Plans published34
Spec score · Ad Creative Testing Tools7.7 (#11)8.9 (#2)
PurposeAdstacker creates, renders, organizes, and exports video advertising variations by combining modular creative assets.Kettio ranks ad creative for a specific buyer, platform, and conversion goal, returning a relative ranking, written rationale, and confidence signal.
SupportSupport is available by email, with the About page stating a response time within 1 business day.Professional includes priority support, and the company lists [email protected] for questions.

Plans

Adstacker

  • Creator Plan$99 a month
  • Pro Plan$249 a month
  • Agency Plan$599 a month

Adstacker pricing →

Kettio

  • FreeFree
  • Starter$29.99 a month
  • Professional$139 a month
  • Growth PartnerPriced on request

Kettio pricing →

In their own words

Adstacker

Adstacker has no write-up on Specifiction yet; its figures are above.

Visit adstacker.io

Kettio

Kettio ranks ad creative for a selected buyer, platform, and conversion goal, returning a relative order, written rationale, and confidence signal. AI respondents modeled on the chosen buyer assess each ad separately; their responses are combined into a directional ranking. Results identify the leading ad, explain why it leads, indicate confidence, and suggest improvements, while live media remains the final proof. Inputs include images, videos, copy, static ads, UGC, product shots, and full ad packages. The service offers a REST Ranking API and a local MCP server. API access is included with Professional; Free and Starter accounts must upgrade to create a key. Requests can contain up to 20 images, and each API key is limited to 60 scoring evaluations per minute. App and API rankings share the monthly ad allowance, and requests stop when it is used up. High-volume video intake and turnaround are handled with founding pilots while a bulk workflow is being prepared. The free plan scores 20 ads each month; Starter costs $29.99 a month and Professional costs $139 a month, both billed month-to-month.

Visit kettio.com