

⚡ Quick Verdict:
- 定价: SpyFu starts at $29/mo vs Similarweb at $125/mo
- 最适合: SpyFu for competitor keyword research and PPC analysis, Similarweb for website traffic analysis and market research
- 主要区别: SpyFu focuses on SEO and PPC competitor spying with 19+ years of historical data. Similarweb focuses on traffic analytics, audience insights, and digital intelligence across websites and apps.
- Our pick: SpyFu for most users — it costs 77% less and covers keyword research, rank tracking, and Google Ads analysis for SEO professionals and digital marketing agencies

SpyFu 和 Similarweb 都承诺揭露竞争对手的秘密。
但它们解决的是截然不同的问题。
SpyFu digs into keyword rankings, Google Ads campaigns, and PPC strategies.
Similarweb tracks website traffic, audience behavior, and market trends.
The price gap between them is massive too.
This comparison breaks down features, pricing, and use cases so you pick the right tool.
概述
This SpyFu vs Similarweb comparison covers pricing, features, and ease of use.
We also break down who each tool works best for.
Our sources include published specs, documentation, and G2 reviews.
Our writers also spent hands-on time with each platform.
Those observations appear in the “What Our Team Noticed” sections below.
SpyFu是什么?
SpyFu是一款专为SEO和PPC营销人员打造的竞争对手研究工具。
It lets you search any domain and see every keyword they rank for in organic traffic and paid search.
You also get their full Google Ads history, ad spend estimates, and backlink analysis data.
SpyFu stores 19+ years of historical data on paid keywords and organic keywords.
Most users choose it for competitor keyword research and SpyFu PPC analysis.

间谍福
See every keyword your competitors rank for. SpyFu reveals their Google Ads campaigns, organic rankings, and backlinks in one dashboard.
SpyFu 定价
SpyFu is one of the more affordable SEO tools on the market. Here is what each plan costs in 2026.
| 计划 | 价格 | 最适合 |
|---|---|---|
| 基本的 | 每月 29 美元 | 自由职业者 以及独立营销人员 |
| 专业版 + AI | 每月 89 美元 | Growing teams needing API access |
| 团队/机构 | 每月 187 美元 | 管理多个客户的机构 |
Pricing verified April 2026.

免费试用: SpyFu 提供免费账户,让您可以免费试用许多功能。无需信用卡。
退款保证: 所有付费套餐均提供 30 天退款保证。
📌 笔记: SpyFu offers a 30% discount on annual subscriptions. You can also add extra user seats for $15/month on Basic and $30/month on Pro + AI.
⚠️ 警告: The Basic plan limits you to 10,000 row search results and 250 sales leads. If you need unlimited search results and data exports, you’ll need Pro + AI or higher.
SpyFu 的主要优势
Here’s what makes SpyFu worth considering:
- Deep Historical Data: SpyFu provides 19+ years of SEO and PPC data. You can spot long-term performance trends and seasonal patterns.
- 竞争对手关键词研究: Search any domain to see their top organic keywords and paid keywords. The Kombat tool visualizes keyword overlaps using a Venn diagram.
- Google Ads Advisor: The built-in advisor recommends profitable keywords based on competitor bidding history. It helps you find gaps in your Google Ads account.
- 无限次搜索: Unlike many other SEO tools, SpyFu gives you unlimited searches and data exports on all plans.
- 价格实惠: At $29/month, SpyFu costs far less than Semrush or Ahrefs. It’s a strong pick for 小型企业 and SEO beginners.
- 客户可直接使用的报告: SpyFu generates reports that summarize SEO data, PPC research, and competitive analysis. Perfect for digital marketing agencies.

What Our Team Noticed
我们的 作家 signed up for SpyFu and spent several days exploring the platform. Here’s what stood out:

SpyFu 的优点和缺点
✅ 优点
- 超过19年的历史关键词和广告数据
- 所有套餐均提供无限次搜索和数据导出功能
- Affordable starting price of $29/month
- Kombat tool makes keyword gap analysis visual and fast
- 免费账户,无需信用卡
❌缺点
- Backlink analysis is less detailed than Ahrefs
- 数据每周更新,而非每日或每小时更新。
- No website traffic analysis or audience insights
- 网站有限 审计 features compared to full SEO suites
Similarweb是什么?
Similarweb is a digital intelligence platform for traffic analytics and market research.
It tracks billions of digital interactions across websites, mobile apps, and social media.
The Similarweb platform shows you traffic sources, engagement metrics, and audience demographics for any site.
Similarweb features also include keyword research, rank tracking, and competitor benchmarking tools.
Most users choose it for website traffic analysis and understanding their competitive landscape.

Similarweb
Analyze website traffic, benchmark competitors, and spot market trends. Similarweb delivers digital intelligence for enterprise teams and analysts.
Similarweb定价
Similarweb pricing is built for mid-size and enterprise teams. Here’s what each plan costs in 2026.
| 计划 | 价格 | 最适合 |
|---|---|---|
| 竞争情报 | 每月125美元 | Marketers tracking competitor traffic |
| 竞争情报与搜索引擎优化 | 每月 335 美元 | SEO teams needing keyword and rank data |
| 竞争情报、搜索引擎优化和广告 | 每月 540 美元 | Full marketing teams covering paid search too |
Pricing verified April 2026.

免费试用: Similarweb offers a 7-day free trial for new users. A limited free version is also available with restricted data.
退款保证: Contact Similarweb sales for refund policy details. No standard guarantee is published.
📌 笔记: Similarweb also offers a Team plan priced from $14,000/year and an Enterprise plan with custom pricing. API access is available on higher tiers.
⚠️ 警告: G2 reviews mention that Similarweb’s data accuracy drops for low-traffic websites. Long-term subscribers have also noted rising costs over time.
Similarweb 的主要优势
Here’s what makes Similarweb worth considering:
- 网站流量分析: Similarweb breaks down traffic sources, engagement data, and geographic trends for any website. You can see where visitors come from and how long they stay.
- 竞争对手标杆分析: Compare your performance against up to 25 competitors across traffic, keyword rankings, and engagement metrics.
- 市场调研: Spot market trends and seasonal patterns. The platform helps category managers and analysts understand consumer behavior across industries.
- AI SEO Agents: New AI agents turn keyword inputs into data-driven SEO plans. This is a 2025 addition that sets the Similarweb platform apart from older SEO tools and allows users to stay ahead of emerging trends.
- 应用智能: Track app traffic, app usage, and mobile performance alongside website data. Few of the best SEO tools cover both web analytics and mobile in one place.
- 销售情报: Sales teams can use AI-driven prospecting tools to find high-intent leads and tailor outreach based on digital insights.

What Our Team Noticed
Our writer signed up for Similarweb and spent several days exploring the platform. Here’s what stood out:

Similarweb 的优点和缺点
✅ 优点
- Deep website traffic analysis with real user data
- 同时与多达 25 家竞争对手进行基准测试
- Covers web, mobile apps, and social media tracking
- AI-powered SEO strategy agents for keyword planning
- 7-day free trial with no commitment
❌缺点
- Starts at $125/month, expensive for freelancers
- 低流量网站的数据准确性下降
- Limited free version with restricted data access
- No built-in PPC keyword spy or ad history tool
功能对比
Ready to dive into a detailed comparison of SpyFu vs Similarweb? We’ll explore 9 key features to help you determine which platform best suits your needs.
| 特征 | 间谍福 | Similarweb |
|---|---|---|
| 起价 | 每月 29 美元 | 每月125美元 |
| 免费计划 | ✅ 免费账户 | ✅ 有限免费版 |
| 关键词研究 | ✅ | ✅ |
| PPC/谷歌广告研究 | ✅ Full ad history | ❌ Ads only on top tier |
| 网站流量分析 | ❌ | ✅ |
| 反向链接分析 | ✅ 基本款 | ✅ 基本款 |
| 排名跟踪 | ✅ | ✅ |
| 市场调研 | ❌ | ✅ |
| 应用智能 | ❌ | ✅ |
| 最适合 | SEO/PPC competitor spying | Traffic analytics & market intel |
1. 竞争对手分析
SpyFu: SpyFu lets you search any domain and see every keyword they rank for in organic and paid search. You also get estimated ad spend, ad history, and a full list of their competitors’ PPC campaigns. The Kombat tool uses a Venn diagram to show keyword overlaps and gaps between your domain and up to two competitor sites.

Similarweb: Similarweb approaches competitor analysis through traffic data. You can see any website’s traffic sources, engagement metrics like bounce rate and visit duration, and audience demographics. It benchmarks your performance against up to 25 competitors across traffic, keyword rankings, and engagement data.

2. 关键词研究
SpyFu: SpyFu’s keyword research tool shows search volume, keyword difficulty, and cost-per-click data. It automatically groups keywords into topic clusters for content planning. You also see related keywords, keyword overview data, and historical ranking positions going back years. The professional plan includes unlimited domain overview PDFs and API access for deeper keyword analysis.

Similarweb: Similarweb’s keyword explorer focuses on search volume, search intent, and keyword performance trends. It draws from real user data and clickstream partnerships. The tool helps you identify emerging trends and high-performing keywords across your competitive landscape.

3. Google Ads & PPC Research
SpyFu: This is where SpyFu stands out. You can see every keyword a competitor has bought on Google Ads, their ad copy variations, and estimated monthly ad budgets. The Google Ads Advisor recommends profitable keywords based on competitor bidding history. SpyFu’s PPC research covers the full ad history for millions of domains. You can also connect your Google Ads account and Google Search Console to refine your SEO strategies and PPC strategies further.

Similarweb: Similarweb offers paid search data, but only on the top-tier plan ($540/month). It shows ad strategies and competitor ad spend, but lacks the deep ad history and keyword-level PPC insights that SpyFu provides. For dedicated PPC analysis tools, SpyFu is the stronger pick.
⚠️ 警告: If Google Ads campaigns are your priority, Similarweb’s entry-level plans don’t include ad data. You’d need the $540/month plan to get PPC insights.
4. Website Traffic Analysis
SpyFu: SpyFu does not provide website traffic analysis. It focuses on keyword rankings, search traffic estimates, and PPC data. If you need to know how many visitors a website gets, SpyFu won’t help.
Similarweb: Website traffic analysis is Similarweb’s core strength. It shows total visits, traffic sources, bounce rates, visit duration, and geographic breakdowns. It aggregates data from clickstream partnerships, web crawlers, and direct integrations. This is the feature that sets Similarweb apart from most other SEO tools.

5. 排名跟踪
SpyFu: SpyFu lets you track keyword rankings over time for both organic and paid keywords. It monitors weekly ranking changes across major search engines. The daily performance tracker shows how your SEO efforts are trending.

Similarweb: Similarweb includes a rank tracker that monitors keyword rankings over time. It also ties ranking data to traffic estimates, giving you a clearer view of how rank changes affect your website traffic. The tool connects with Google Analytics for deeper analysis.

6. 反向链接分析
SpyFu: SpyFu includes backlink analysis that focuses on quality over quantity. The Backlink Kombat feature shows links pointing to multiple competitors but not to you, helping identify outreach opportunities. However, SpyFu’s backlink database is less detailed than dedicated tools like Ahrefs.
Similarweb: Similarweb offers backlink intelligence for analyzing link profiles. It provides referral traffic data alongside backlink data, which helps you see which links actually drive visitors. Both tools offer basic backlink analysis, but neither matches Ahrefs for depth.

7. Market Research & Trends
SpyFu: SpyFu does not include market research tools. It stays focused on keyword-level SEO and PPC data. For market-level trends, you’d need a separate tool.
Similarweb: Similarweb excels at market research. It helps you understand seasonal trends, benchmark against industry peers, and spot emerging trends before competitors. Category managers and 商业 analysts use it to track consumer behavior across entire industries.

8. SERP Analysis & AI Features
SpyFu: SpyFu offers SERP analysis that shows who ranks for your target keywords and how positions have changed over time. The Pro + AI plan adds ChatGPT integration and AI-assisted keyword recommendations. SpyFu also provides a keyword overview with 简化 difficulty scoring.

Similarweb: Similarweb introduced AI SEO Strategy Agents (AI agents) in 2025. These agents turn keyword inputs into full data-driven SEO plans. The Trend Analyzer Agent helps spot shifts in search queries and user behavior before they become obvious. The platform’s capabilities also include search intent analysis and advanced features for tracking key metrics across competitor sites.

9. 定价与成本
让我们来并排比较一下这些定价方案。
| 计划级别 | 间谍福 | Similarweb |
|---|---|---|
| 自由的 | ✅ 免费账户 | ✅ 有限免费版 |
| 入口 | 每月 29 美元(基本款) | 每月 125 美元(竞争情报) |
| 中 | 每月 89 美元(专业版 + AI) | 每月 335 美元(英特尔和 SEO) |
| 顶部 | 每月 187 美元(团队/机构) | 每月 540 美元(英特尔、SEO 和广告) |
SpyFu: SpyFu is the clear winner on price. The Basic plan at $29/month gives you competitor keyword research, PPC analysis, and rank tracking. Annual billing saves you 30%. Even the top Team/Agency plan at $187/month costs less than Similarweb’s cheapest paid option.
Similarweb: Similarweb costs 4x more at the entry level. The $125/month plan covers traffic analytics and competitive intelligence but excludes SEO tools. To get keyword research and rank tracking, you need the $335/month plan. Full PPC data requires the $540/month tier.
不同场景
| 如果您需要…… | 选择 | 为什么 |
|---|---|---|
| 预算紧张 | 间谍福 | Starts at $29/month vs $125 |
| PPC竞争对手间谍活动 | 间谍福 | Full Google Ads ad history |
| 网站流量数据 | Similarweb | Core traffic analytics platform |
| 市场调研 | Similarweb | Industry trends and benchmarks |
| 关键词差距分析 | 间谍福 | Kombat Venn 图工具 |
| App analytics | Similarweb | Tracks mobile app performance |
| 适合初学者 | 间谍福 | 更简单的界面,更低的成本 |
💰 您的预算
SpyFu starts at $29/month. Similarweb starts at $125/month. If budget is your main concern, SpyFu gives you keyword research, rank tracking, and PPC data at a fraction of the cost.
🔌 您的技术栈
SpyFu works as a standalone SEO and PPC research tool. Similarweb integrates with Google Analytics and offers API access for teams that need to pipe digital insights into their own dashboards.
📝 您的SEO策略
If your SEO strategy focuses on keyword rankings and 超越 specific competitors, SpyFu fits better. If you need to understand broader traffic patterns and audience behavior, Similarweb is the right tool.
🎓您的经验水平
SpyFu has a simpler, more user-friendly interface that works well for SEO beginners. Similarweb is built for analysts and enterprise teams who already know how to interpret traffic data.
🆓 免费试用和演示
SpyFu offers a free account with no time limit. Similarweb offers a 7-day free trial plus a limited free version. Try both before committing to a paid plan.
🛟 支持选项
SpyFu’s customer support is described as responsive across multiple channels. Similarweb’s support gets mixed feedback, especially around billing and contract changes.
切换指南
已经在使用这些工具之一了吗?如果您切换到其他工具,以下是您可能遇到的情况。
🔄 从 SpyFu 切换到 Similarweb?
✅ 你将获得:
- Website traffic analysis with real user data and engagement metrics
- Market research tools for tracking industry trends and consumer behavior
- App intelligence for mobile analytics alongside web data
❌ 你会失去什么:
- Deep PPC research with full Google Ads ad history and ad spend data
- Kombat keyword gap tool with Venn diagram visualization
- Affordable pricing — Similarweb costs 4x more at entry level
📋 如何切换:
- 从 SpyFu 导出您的关键词列表和竞争对手报告
- Sign up for Similarweb’s 7-day free trial to test the platform
- Set up your competitor benchmarks and keyword tracking in Similarweb
🔄 从 Similarweb 切换到 SpyFu?
✅ 你将获得:
- Full PPC research with competitor ad history, ad copy, and budget estimates
- 19+ years of historical keyword and ad campaign data
- Massive cost savings — SpyFu starts at $29/month vs $125/month
❌ 你会失去什么:
- Website traffic analysis with visitor counts and engagement data
- 市场调研工具和行业标杆分析
- App intelligence and mobile analytics capabilities
📋 如何切换:
- 从 Similarweb 下载您的流量报告和关键词数据
- Create a free SpyFu account to test the interface
- Import your target domains and set up competitor tracking in SpyFu
What Our Review Didn’t Cover
This comparison focused on individual users and small-to-mid-size teams. We didn’t test enterprise-level deployments or custom API integrations at scale. Similarweb’s stock intelligence and shopper intelligence modules weren’t evaluated. SpyFu’s RivalFlow AI partnership wasn’t covered in depth. For a full Similarweb review or SpyFu keyword deep-dive, see our individual reviews linked above. If you’re managing a large enterprise team with 50+ users, your needs may differ — but the valuable insights in this comparison should give you a strong starting point.
最终判决
| 类别 | 优胜者 |
|---|---|
| 💰 定价 | 间谍福 |
| 🔍关键词研究 | 间谍福 |
| 📊 PPC 研究 | 间谍福 |
| 🌐 交通分析 | Similarweb |
| 📈 市场调研 | Similarweb |
| 👶 易用性 | 间谍福 |
| 🔌 集成和 API | Similarweb |
| 🏆 总冠军 | 间谍福 |
🏆 获胜者:SpyFu
SpyFu 在 7 个类别中赢得了 4 个。
最适合: Competitor keyword research, PPC analysis, SEO professionals on a budget
SpyFu and Similarweb serve different types of marketers. SpyFu is built for SEO professionals and PPC managers who want to spy on competitor keywords and Google Ads campaigns. Similarweb is built for analysts and enterprise teams who need website traffic data and market intelligence.
Similarweb is the better choice if your job depends on traffic benchmarking and audience insights. It covers web analytics, app intelligence, and industry trends that SpyFu simply doesn’t offer.
However, for most SEO and PPC professionals, SpyFu delivers more actionable data at a fraction of the price. At $29/month versus $125/month, the value gap is hard to ignore.
SpyFu 的对比更多
以下是 SpyFu 与其他竞争对手的对比:
SpyFu 获胜条件: Lower pricing ($29 vs $139/mo), unlimited searches on all plans, deeper historical ad data going back 19+ years
Semrush 胜出: Larger keyword database, built-in site audit tool, content marketing toolkit with topic research
SpyFu 获胜条件: PPC campaign research with full ad history, budget-friendly entry plan, Kombat keyword gap visualization
Ahrefs 胜出的原因: Larger backlink database with hourly updates, stronger content explorer, more detailed site audit reports
SpyFu 对战 SE排名
SpyFu 获胜条件: Deeper historical data archive, unlimited search results on all plans, stronger Google Ads research tools
SE Ranking 在以下方面胜出: Built-in site audit and on-page SEO 检查器, white-label reporting for agencies, social media management tools
SpyFu 对战 Ubersuggest
SpyFu 获胜条件: Full PPC competitor spying, Kombat keyword overlap tool, 商业 lead generation features
Ubersuggest 在以下方面胜出: Lower lifetime pricing option, simpler interface for beginners, built-in content ideas 发电机
Similarweb 的更多对比
以下是Similarweb与其他竞争对手的对比:
Similarweb 在以下方面胜出: Website traffic estimates with real user data, market research and industry benchmarks, app intelligence for mobile analytics
Semrush 胜出: More affordable starting price ($139 vs $125 but with SEO tools included), deeper keyword database, built-in content and social media tools
Similarweb 在以下方面胜出: Traffic analytics and audience demographics, competitor benchmarking across 25 domains, market-level trend analysis
Ahrefs 胜出的原因: Larger backlink index with hourly refreshes, more granular keyword difficulty scoring, stronger site audit capabilities
Similarweb 与 莫兹
Similarweb 在以下方面胜出: Full website traffic analysis beyond just SEO metrics, AI-driven SEO strategy agents, app and shopper intelligence modules
Moz 赢得: More accessible pricing for small teams, Domain Authority metric widely used in the SEO industry, stronger local SEO features
Similarweb 与 内容猛禽
Similarweb 在以下方面胜出: Website traffic data and audience insights, competitive benchmarking at scale, market research for enterprise teams
Content Raptor 胜出的原因: AI-driven content creation and optimization, lower entry price for content-focused teams, built-in content scoring and briefs
常见问题解答
SpyFu有什么用途?
SpyFu is an essential tool for competitor keyword research, PPC analysis, and rank tracking. It shows you every keyword a competitor ranks for in organic search and every ad they’ve run on Google Ads. Marketers use SpyFu’s keyword research to find profitable keywords, lucrative keywords, and relevant keywords their competitors target. The SpyFu API also gives developers access to keyword search data and domain contacts for lead generation.
Similarweb 的用途是什么?
Similarweb is used for website traffic analysis, market research, and competitive intelligence. The Similarweb platform shows traffic sources, audience demographics, engagement data, and website rankings for any site. Enterprise teams and analysts rely on it for competitor benchmarking, conversion analysis, and tracking market trends with data-driven insights and real-time insights.
Is SpyFu or Similarweb better for SEO?
SpyFu is better for keyword-level SEO work like finding target keywords, valuable keywords, and tracking keyword rankings across organic traffic and PPC keywords. SpyFu’s keyword analysis covers core keywords, competitors’ PPC campaigns, and competitors’ PPC strategies. Similarweb is better for understanding overall traffic patterns, user behavior, and AI traffic trends. For most SEO professionals using keyword research tools and competitor analysis, SpyFu offers more actionable data at a lower price.
Similarweb的费用是多少?
Similarweb cost starts at $125/month for the Competitive Intelligence plan. The Web Intelligence Starter plan is the entry point for digital strategy teams. The professional plan with full SEO tools costs $335/month. Adding paid search data brings the price to $540/month. A team plan is available from $14,000/year, and the enterprise plan offers custom pricing with API pricing based on usage. Premium stocks data and stock performance tracking are available through the stock intelligence module.
SpyFu有免费版本吗?
Yes. SpyFu offers a free account that lets you access many features with limited data. No credit card is required. The free account is a good way to test the SpyFu PPC and SEO research tools before upgrading. The user-friendly interface makes it easy for SEO beginners to start with keyword search and competitor research. Similarweb also has a limited free version and a 7-day free trial for new users.













