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Head-to-head · Paid Search Intelligence Software

Adthena vs Market Defender

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Adthena #1 in Paid Search Intelligence Software 8.9/10 21-day trial Free trial✓ 1 of 3 features Visit Adthena
Market Defender #5 in Paid Search Intelligence Software 7.9/10 Pricing on request ✓ 1 of 3 features Contact Stickyeyes

Adthena leads on 0 checks, Market Defender on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAdthena · 8.9/10
  • Free trialonly Adthena

Adthena scores higher on our rubric for paid search intelligence software: 8.9 against 7.9 out of 10; our editors rank them #1 and #5.

Adthena is the better fit for mid-market and enterprise paid-search teams. Market Defender is the better fit for mid-market and enterprise advertisers tracking rivals.

  • Adthena fits best

    Mid-market and enterprise paid-search teams

  • Market Defender fits best

    Mid-market and enterprise advertisers tracking rivals

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Adthena 8.9/10 Visit ↗ Market Defender 7.9/10 Visit ↗
At a glance
Editor score 8.9 7.9
Ranking #1 in Paid Search Intelligence Software #5 in Paid Search Intelligence Software
Best for Mid-market and enterprise paid-search teams Mid-market and enterprise advertisers tracking rivals
Pricing model Paid Paid
Starting price — Pricing on request
Free plan — Not checked yet
Free trial 21 days —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Community, Docs Email, Phone
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Adthena 1/3 · Market Defender 1/3
Keyword research Not checked yet Not checked yet
Ad copy archive Not checked yet ✓ (best)
Competitor tracking ✓ (best) Not checked yet
Specs
Historical ad data Not checked yet Not checked yet
Markets covered Not checked yet Not checked yet
Search data scope Not checked yet Multi_engine
Our review
Pros
  • Tracks competitor keywords, ads, market share, clicks, and estimated spend
  • Monitors brand bidding, ad hijacking, fraud, and trademark use
  • Covers Google AI Overviews and ChatGPT ad activity with alerts
  • Tracks paid search activity hourly across selected keywords
  • Monitors competitor bids, ad creative and share of voice
  • Alerts on ad-copy changes and potential brand-term misuse
Cons
  • Custom pricing depends on search-universe size and business requirements
  • Its strongest fit is organizations with substantial paid-search activity
  • AI-search coverage focuses on Google AI Overviews and ChatGPT
  • Requires contacting Stickyeyes rather than choosing a published plan
  • Monitoring is focused on selected keywords
  • The tool is presented as part of Stickyeyes’ services
Our verdict

Adthena is a cloud-based search intelligence platform for enterprise brands, marketers, and agencies that need a view of paid-search competition. It monitors competitor keywords, advertisers, ad copy, market share, share of clicks, and…

Read the review →

Market Defender is Stickyeyes’ PPC monitoring tool for companies that want to review their paid search activity alongside competitors’. It is aimed at mid-market and enterprise advertisers monitoring rival activity across Google and Bing.…

Read the review →
  1. AdthenaPaid Search Intelligence Software 8.921-day trial
  2. Market DefenderPaid Search Intelligence Software 7.9Pricing on request

Strengths and trade-offs

  • Adthena — where it wins

    • Tracks competitor keywords, ads, market share, clicks, and estimated spend
    • Monitors brand bidding, ad hijacking, fraud, and trademark use
    • Covers Google AI Overviews and ChatGPT ad activity with alerts

    Where it doesn't

    • Custom pricing depends on search-universe size and business requirements
    • Its strongest fit is organizations with substantial paid-search activity
    • AI-search coverage focuses on Google AI Overviews and ChatGPT
  • Market Defender — where it wins

    • Tracks paid search activity hourly across selected keywords
    • Monitors competitor bids, ad creative and share of voice
    • Alerts on ad-copy changes and potential brand-term misuse

    Where it doesn't

    • Requires contacting Stickyeyes rather than choosing a published plan
    • Monitoring is focused on selected keywords
    • The tool is presented as part of Stickyeyes’ services
  • Adthena8.9/10 · 21-day trial

    Adthena tracks paid-search competitors, market share, brand risks, and emerging AI-search ads.

    Visit AdthenaFull verdict →
  • Market Defender7.9/10 · Pricing on request

    Hourly Google and Bing competitor tracking for advertisers that need share-of-voice and ad-change visibility.

    Contact StickyeyesFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update