SpyFu
StackAdapt
| Feature | SpyFu | StackAdapt |
|---|---|---|
| Pricing | From $39/mo | Contact sales |
| Free Plan | ✗ No | ✗ No |
| Rating | 4.2 / 5 | 4.4 / 5 |
| Best For | ppc-managers, seo-professionals, agencies, competitive-analysts | agencies, brand-marketers, media-planners, performance-marketers |
| Founded | 2006 | 2014 |
| Competitor Keywords | ✓ | ✗ |
| Ppc Research | ✓ | ✗ |
| Backlink Analysis | ✓ | ✗ |
| Rank Tracking | ✓ | ✗ |
| Keyword Research | ✓ | ✗ |
| Domain Comparison | ✓ | ✗ |
| Native Ads | ✗ | ✓ |
| Display Ads | ✗ | ✓ |
| Video Ctv | ✗ | ✓ |
| Audience Targeting | ✗ | ✓ |
| Contextual Targeting | ✗ | ✓ |
| Creative Studio | ✗ | ✓ |
✓ SpyFu Pros
- Unlimited search results on all plans
- Excellent competitor analysis
- Historical data going back years
- Good PPC research tools
✗ SpyFu Cons
- Interface can be overwhelming
- Data accuracy varies for smaller sites
- Limited international data
✓ StackAdapt Pros
- Excellent native ad inventory
- Strong machine learning
- Good customer support
- Multi-channel reach
✗ StackAdapt Cons
- Minimum spend requirements
- Learning curve for platform
- Reporting could be more granular
The Verdict
SpyFu is built for ppc managers and seo professionals, with a focus on competitor-keywords and ppc-research. StackAdapt targets agencies and brand marketers and leads with native-ads and display-ads.
StackAdapt uses custom enterprise pricing, while SpyFu starts at $39/mo — a tangible advantage for teams with a fixed budget.
Neither tool offers a free plan, so factor the subscription cost into your decision from the start.
Both tools are a solid fit for agencies — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.