Best for
Best for technical SEO teams on large e-commerce, media and listing sites where crawl budget and bot behaviour need to be measured from server logs, not inferred.
- Small and mid-sized
- Enterprise
SEO Tools Comparison
Oncrawl vs. SpyFu
At a glance
At a glance
Best for
Best for marketers and agencies that want deep competitor keyword, ad and backlink research across SEO and PPC, with historical data and an API.
- Freelancers
- Small and mid-sized
Cataleo does not name a winner. Both statements come from the vendors themselves.
Full Comparison
| Criterion | Oncrawl | SpyFu |
|---|---|---|
| Starting price | Not stated | From $39 / month Basic plan billed monthly; $29 / month billed annually. Higher plans add unlimited exports, more tracked keywords and API access. |
| Free trial | 14-day free trial with all features, no credit card required | No free trial; 30-day money-back guarantee |
| API | Yes, a REST API | Yes, documented API on the Pro + AI and Team / Agency plans |
| Hosting | Cloud (SaaS) | Cloud (SaaS) |
| Keyword research | No own keyword research; Google Search Console query data comes in through an integration on all plans | Yes, organic and paid keyword research with content-gap analysis against competitors |
| Rank tracking | No own rank tracker; ranking data is cross-referenced from connected sources such as the Google Search Console API | Yes, weekly keyword rank tracking for your own domain |
| Site audit | Yes, its core: a crawler with full JavaScript rendering across millions of URLs, with segmentation, custom extraction and hundreds of standard metrics | Yes, a Site Audit that crawls a site for technical issues, with AI-generated fixes and target keywords per page |
| Backlink data | No own backlink index; a Majestic connector is available on the Core and Scale plans | Yes, backlink lookup showing competitor links and the links behind specific rankings |
| Content optimisation | A Content Lens for guided content analysis, rather than an editor that scores drafts | Yes, RivalFlow suggests content gaps to close against competing pages |
| Index and market coverage | Analyses the site's own crawl and server log data, over 500 million log lines a day, rather than a licensed keyword or backlink database | Large historical database of keywords and Google Ads campaigns, up to 10+ years of history on the higher plans |
| Integrations and API | Yes, a REST API | Yes, documented API on the Pro + AI and Team / Agency plans |
| AI features | No | stated Yes |
| Deployment | Cloud (SaaS), Browser-based | Cloud (SaaS), Browser-based |
| Onboarding | Not stated | Documentation and knowledge base, Video tutorials |
| Company size | Small and mid-sized, Enterprise | Freelancers, Small and mid-sized |
| Integrations | Google Search Console, Google Analytics 4, Majestic, Piano Analytics | Not stated |
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Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.
The short version
Key Differences
- Free trial Oncrawl 14-day free trial with all features, no credit card required SpyFu No free trial; 30-day money-back guarantee
- Company size Oncrawl Small and mid-sized, Enterprise SpyFu Freelancers, Small and mid-sized
- AI features Oncrawl No SpyFu Yes
- API Oncrawl Yes, a REST API SpyFu Yes, documented API on the Pro + AI and Team / Agency plans
- Keyword research Oncrawl No own keyword research; Google Search Console query data comes in through an integration on all plans SpyFu Yes, organic and paid keyword research with content-gap analysis against competitors
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Strengths and Limitations
Oncrawl
Strengths
- Server log analysis showing how search engine and AI bots actually crawl the site
- Separates AI training bots from AI user bots for OpenAI, Claude, Perplexity and Gemini
- Full JavaScript rendering at millions of URLs, aimed at sites other crawlers struggle with
- Unsampled organic traffic data from logs, with no hidden visits
- Dynamic segmentation that stays compatible across past and future analyses
- 14-day free trial with all features and no credit card
Limitations
- No published pricing; plans are quoted on request
- Log analysis, the platform's differentiator, is limited to the Core and Scale plans
- Majestic and Piano Analytics connectors are not available on the Basic plan
- No keyword research, rank tracking or backlink index of its own
- JavaScript rendering costs three crawl tokens per URL against the quota
SpyFu
Strengths
- Deep competitor research across organic keywords, Google Ads and backlinks
- Years of historical keyword and ad data
- Documented API and white-label reports on the higher plans
- AI-assisted content-gap suggestions through RivalFlow
Limitations
- Rank tracking updates weekly rather than daily
- No free trial, only a 30-day money-back guarantee
- API access is limited to the higher plans
Plans
Pricing
Oncrawl
- Basic Not stated Entry plan, defined by monthly crawl token volume. Google Search Console and Google Analytics 4 connectors. No log analysis. Amount quoted on request.
- Core Not stated Adds the Log Analyzer and the additional connectors, including Majestic and Piano Analytics, with a larger monthly crawl token volume. Amount quoted on request.
- Scale Not stated Same feature access as Core at large-scale crawl token volumes. Amount quoted on request.
SpyFu
- Basic From $39 / month $29 / month billed annually. 10,000 search results and exports, 1 tracking project, 5,000 weekly keyword rankings and 10 automated reports.
- Pro + AI From $119 / month $89 / month billed annually. Unlimited search results and exports, 10 tracking projects, 15,000 keyword rankings, white-label reports, RivalFlow and API access.
- Team / Agency From $249 / month $187 / month billed annually. 5 users, unlimited tracking projects, 50,000 keyword rankings and all Pro + AI features.
What users say
Review Scores · opens after launch
Oncrawl
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
SpyFu
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Where this comes from
Oncrawl https://www.oncrawl.com · checked against the official source on 2026-09-01
SpyFu https://www.spyfu.com · checked against the official source on 2026-09-08
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.