Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Paid Search Intelligence Software

SpyFu vs Market Defender

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score SpyFu #2 in Paid Search Intelligence Software 8.5/10 Free plan Free plan✓ 1 of 3 features Visit SpyFu
Market Defender #5 in Paid Search Intelligence Software 7.9/10 Pricing on request ✓ 1 of 3 features Contact Stickyeyes

SpyFu 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 scoreSpyFu · 8.5/10
  • Free planonly SpyFu

SpyFu scores higher on our rubric for paid search intelligence software: 8.5 against 7.9 out of 10; our editors rank them #2 and #5.

SpyFu is the better fit for teams needing affordable PPC competitor research. Market Defender is the better fit for mid-market and enterprise advertisers tracking rivals.

  • SpyFu fits best

    Teams needing affordable PPC competitor research

  • 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 SpyFu 8.5/10 Visit ↗ Market Defender 7.9/10 Visit ↗
At a glance
Editor score 8.5 7.9
Ranking #2 in Paid Search Intelligence Software #5 in Paid Search Intelligence Software
Best for Teams needing affordable PPC competitor research Mid-market and enterprise advertisers tracking rivals
Pricing model Free plan + paid Paid
Starting price $29/mo Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Live chat, Email, Phone, Docs Email, Phone
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features SpyFu 1/3 · Market Defender 1/3
Keyword research ✓ (best) Not checked yet
Ad copy archive Not checked yet ✓ (best)
Competitor tracking Not checked yet 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
  • PPC keyword and ad-history research with competitor comparisons
  • Rank tracking, keyword-gap analysis, backlinks, and site audits in one platform
  • Free plan, API access, exports, and Google Search Console integration
  • 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
  • Basic plans limit tracking to one live site project and one user
  • No 24/7 support; assistance is via chat, email, phone, and docs
  • Broad SEO/PPC scope may not suit paid-search-only intelligence teams
  • 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

SpyFu is a cloud-based, web and API competitive intelligence platform for SEO and PPC professionals. It covers competitors’ organic and paid keywords, advertising history, rankings, backlinks, and domain performance, with keyword research,…

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. SpyFuPaid Search Intelligence Software 8.5Free plan
  2. Market DefenderPaid Search Intelligence Software 7.9Pricing on request

Strengths and trade-offs

  • SpyFu — where it wins

    • PPC keyword and ad-history research with competitor comparisons
    • Rank tracking, keyword-gap analysis, backlinks, and site audits in one platform
    • Free plan, API access, exports, and Google Search Console integration

    Where it doesn't

    • Basic plans limit tracking to one live site project and one user
    • No 24/7 support; assistance is via chat, email, phone, and docs
    • Broad SEO/PPC scope may not suit paid-search-only intelligence teams

  • 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
  • SpyFu8.5/10 · Free plan

    Affordable PPC competitor research with SEO, tracking, reporting, and API coverage.

    Visit SpyFuFull 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

All paid search intelligence software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update