

⚡ Quick Verdict:
- 価格: Surfer SEO starts at $79/mo vs SpyFu at $29/mo
- 最適な用途: Surfer SEO for on-page content optimization, SpyFu for competitor keyword and PPC research
- 主な違い: Surfer SEO scores your content in real time against top ranking pages. SpyFu reveals competitors’ paid and organic keyword strategies.
- Our pick: Surfer SEO for most users — it directly improves your content’s ability to rank on search engines

Surfer SEO and SpyFu both call themselves SEO tools.
しかし、それらは全く異なる問題を解決する。
Surfer SEO は、上位ランクのコンテンツの作成に役立ちます。
SpyFuは、競合他社の動向をスパイするのに役立ちます。
Picking the wrong one wastes your budget and your time.
This comparison breaks down both so you can choose wisely.
Whether you need Surfer SEO alternatives or SpyFu alternatives, this Surfer SEO review and SpyFu review conclusion will help.
概要
This Surfer SEO vs SpyFu comparison covers pricing, features, and ease of use.
We also break down who each SEO tool works best for.
Our sources include published specs, documentation, and G2 reviews.
By the end, you’ll know which platform fits your SEO strategy.
We cover on page SEO, on page optimization, and how the Surfer SEO SERP analyzer compares to SpyFu’s competitive tools.
Surfer SEOとは何ですか?
Surfer SEO is a content optimization tool for writers and marketers.
It analyzes top ranking pages for your target keyword.
Then it gives you a content score based on over 500 on-page signals.
The content editor shows you exactly what to add or remove.
Most users choose it to create content that ranks on search engines. If you’ve read any Surfer SEO review, you know the content editor is the standout feature. Surfer SEO AI also generates articles and provides relevant keyword suggestions based on search intent.

サーファーSEO
Surfer SEO scores your blog post in real time. It tells you what keywords to add, ideal word count, and content structure changes. Over 15,000 businesses use it to rank higher.
Surfer SEO の価格設定
2026年におけるSurfer SEOの費用は以下のとおりです。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 不可欠 | 月額79ドル | ソロブロガーと フリーランサー |
| 規模 | 月額175ドル | チームと代理店の成長 |
| 企業 | カスタム価格設定 | 独自のニーズを持つ大規模組織 |
Pricing verified April 2026.

無料トライアル: Surfer SEO offers a limited free trial. No credit card is required to start.
返金保証: Surfer SEOは返金保証を謳っていません。いつでも解約できます。
📌 注記: Annual billing saves about 10% on all Surfer SEO plans. The SERP Analyzer is a paid add-on for all plans except Enterprise.
⚠️ 警告: AI article credits and extra content editor credits are add-ons. Your base plan may not include everything you need for large-scale content creation.
Surfer SEOの主なメリット
Here’s what makes Surfer SEO worth considering:
- リアルタイムコンテンツスコアリング: The content editor grades your writing as you type. You see exactly how your blog post compares to top ranking pages.
- SERPアナライザー: Surfer SEO’s SERP analyzer breaks down search engine results pages for any keyword. It analyzes over 500 factors from competitor pages. This serp analyzer tool also looks at keyword density and LSI keywords across ranking pages.
- 自然言語処理における固有表現の最適化: The tool focuses on natural language processing entities. This helps your content match what search engines expect to find.
- Grow Flow AI Recommendations: This feature gives you weekly SEO tasks. It identifies gaps in existing content and suggests fixes.
- GoogleドキュメントとWordPressの連携: You can write and improve your content inside Google Docs or WordPress. No need to copy and paste between platforms.
- コンテンツ 監査 道具: Surfer SEO scans your existing pages and finds ways to improve them. It compares your URL against the SERP for its main keyword. The SEO audit tool also checks internal links and meta tags structure.
- トピックマップ: This feature helps you build authority by finding related keyword clusters. It guides your entire site’s content strategy and simplifies the keyword research process.

What Our Team Noticed
私たちの 作家 signed up for Surfer SEO and spent several days exploring the platform. Here’s what stood out:

Surfer SEOのメリットとデメリット
✅ メリット
- Content editor provides real-time scoring against top ranking pages
- NLP-powered suggestions improve content relevance for search engines
- Direct integration with Google Docs and WordPress saves time
- Content audit tool finds gaps in existing pages automatically
- Topical Map helps plan content clusters for entire site authority
- AI writing tool generates articles when you need to create content fast
❌ デメリット
- Keyword research feature is weaker than dedicated keyword research tools
- SERP Analyzer is a paid add-on for most plans
- No backlink analysis or rank tracking built in
- Grow Flow recommendations can sometimes be off-target
SpyFuとは何ですか?
SpyFuは、SEOおよびPPCマーケター向けの競合分析ツールです。
It lets you see every keyword your competitors rank for organically.
You can also see their Google Ads campaigns and ad spend history.
SpyFu stores over 19 years of historical data on millions of domains.
Most users choose it to reverse-engineer competitor SEO strategies. SpyFu PPC research shows competitors’ PPC campaigns and PPC keywords in detail. The SpyFu API also provides keyword overview data and SEO data for custom reporting.

スパイフー
SpyFu reveals your competitors’ most profitable keywords and Google Ads campaigns. It provides unlimited searches and data exports on every plan. Ideal for agencies and PPC marketers.
SpyFuの価格設定
2026年におけるSpyFuの価格は以下のとおりです。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 基本 | 月額29ドル | フリーランサーと個人マーケター |
| プロ+AI | 月額89ドル | APIアクセスを必要とする成長企業 |
| チーム/代理店 | 月額187ドル | 複数のクライアントを管理する代理店 |
Pricing verified April 2026.

無料トライアル: SpyFu offers a free account with limited features. No credit card required.
返金保証: SpyFu provides a 30-day money-back guarantee on all plans.
📌 注記: Annual subscriptions save 30% on SpyFu plans. All plans include unlimited searches and data exports.
⚠️ 警告: The Basic plan limits you to 10,000 row search results and 250 sales leads. If you need unlimited domain overview PDFs and unlimited search results, you’ll need the Professional plan.
SpyFuの主な利点
Here’s what makes SpyFu worth considering:
- 競合他社のキーワード調査: SpyFu shows every keyword your competitors rank for. You can see both organic keywords and paid keywords side by side.
- Google Ads Analysis: You can see every ad a competitor has run on Google Ads. SpyFu reveals their ad copy, ad spend, and which PPC keywords they bid on. You can connect your own Google Ads account for deeper PPC insights and PPC analysis tools.
- コンバットツール: This keyword gap tool compares your domain against competitors in a Venn diagram format. It shows where keywords overlap and where you have gaps. It also helps identify emerging trends and find valuable keywords you’re missing.
- 19年以上にわたる過去データ: SpyFu stores data going back over 19 years. You can track keyword rankings, ad history, and search traffic trends over time. This helps uncover competitors’ PPC strategies and find lucrative keywords and core keywords they target.
- 検索回数無制限: Every SpyFu plan includes unlimited searches. You never hit a daily cap on search queries.
- Business Leads ジェネレータ: SpyFu provides domain contacts and business leads filtered by keyword, industry, or ad budget. Digital marketing agencies use this to find new clients.
- 顧客向けレポート: SpyFu generates reports that summarize SEO and PPC data. You can share them directly with clients.

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

SpyFuの長所と短所
✅ メリット
- すべてのプランで無制限の検索とデータエクスポートが可能
- 19+ years of historical data for tracking long-term trends
- Full PPC research reveals competitors’ Google Ads campaigns
- Budget-friendly pricing starts at just $29/month
- Kombat tool visualizes keyword gaps between domains
❌ デメリット
- コンテンツエディターやコンテンツ最適化機能はありません。
- Backlink analysis is less detailed than tools like アーレフス
- データ更新頻度は1時間ごとではなく週ごとです。
- May need extra tools for full SEO audits and on-page optimization
機能比較
Ready to dive into a detailed comparison of Surfer SEO vs SpyFu? We’ll explore 8 key features to help you determine which SEO tool best suits your needs.
| 特徴 | サーファーSEO | スパイフー |
|---|---|---|
| 開始価格 | 月額79ドル | 月額29ドル |
| 無料プラン | ❌ | ✅(数量限定) |
| コンテンツエディター | ✅ | ❌ |
| キーワードリサーチ | ✅(基本) | ✅ (competitor-focused) |
| SERP分析 | ✅ | ✅ |
| PPCリサーチ | ❌ | ✅ |
| バックリンク分析 | ❌ | ✅(基本) |
| ランクトラッキング | ❌ | ✅ |
| コンテンツ監査 | ✅ | ❌ |
| 最適な用途 | Content writers and SEO 編集者 | PPC marketers and competitor researchers |
1. コンテンツの最適化
サーファーSEO: The content editor is Surfer SEO’s strongest feature. It scores your writing in real time against top ranking pages for your target keyword. You get specific suggestions for word count, headings, images, and relevant keywords to include. The content score updates as you write. As a content optimization tool, it also checks average word count and content structure of existing pages. Compared to other SEO tools, it’s a great tool for on-page optimization.

スパイフー: SpyFu does not have a content editor or content optimization tool. It focuses on showing you what keywords competitors target, not how to write content. You would need a separate tool for on-page SEO and content creation.
2. キーワードリサーチ
サーファーSEO: Surfer SEO’s keyword research tool helps you discover topic clusters based on a seed keyword. It shows monthly search volume and keyword difficulty. However, the keyword research feature is weaker than dedicated keyword research tools, especially for low-volume keywords.

スパイフー: SpyFu’s keyword research takes a competitor-first approach. Enter any domain and see every organic keyword and paid keyword they target. SpyFu automatically organizes keyword ideas into topic groups and subtopics. It also shows keyword performance, search volume, and keyword difficulty with 簡略化された scoring. You can do a keyword search for any term and get a full keyword overview with related keywords.

3. SERP分析
サーファーSEO: Surfer SEO’s SERP analyzer provides a detailed breakdown of search engine results pages. It analyzes over 500 factors from the top ranking pages, including word count, backlinks, and content structure. This helps you understand what it takes to rank for a specific keyword.

スパイフー: SpyFu’s SERP analysis focuses on competitive analysis rather than on-page factors. It shows who ranks for a keyword, their domain authority, and their ad positions. SpyFu excels at revealing competitor sites’ strategies but doesn’t analyze on-page content the way Surfer does.

4. PPC and Google Ads Research
サーファーSEO: Surfer SEO does not offer PPC research or Google Ads analysis. It is focused entirely on organic content optimization. If you run paid campaigns, you’ll need a separate PPC analysis tool.
スパイフー: PPC research is where SpyFu shines. You can see every keyword a competitor has bought on Google Ads, their ad copy variations, and estimated ad spend. The Google Ads Advisor recommends profitable keywords based on competitor bidding history. This makes SpyFu an essential tool for PPC strategies.

5. 競合分析
サーファーSEO: Surfer SEO analyzes competitor pages only in the context of content. It scans top ranking pages for a keyword and identifies what they have in common. You get data on content structure, average word count, and meta tags structure. It’s competitive analysis focused on content, not domains.
スパイフー: SpyFu is built for competitor analysis. You search any domain and 即座に see their top paid and organic keywords, ad history, and backlink profile. The Kombat tool compares your domain against competitor sites using a Venn diagram format that shows keyword overlaps and gaps. It helps uncover actionable insights about competitors’ SEO strategies across the SEO industry.

6. 統合とワークフロー
サーファーSEO: Surfer SEO integrates with Google Docs and WordPress for real-time SEO optimization. You can write inside Google Docs and see your content score update live. It also connects with tools like Semrush for deeper keyword data. Surfer SEO offers internal linking suggestions and content marketing workflows. The workflow is built for writers who create content daily.

スパイフー: SpyFu connects with Google Search Console for tracking your own keyword rankings. It also includes a チャットGPT integration for AI-powered insights. SpyFu’s workflow centers on research and reporting rather than content creation.
7. バックリンク分析
サーファーSEO: Surfer SEO does not include built-in backlink analysis. Its SERP analyzer shows missing backlinks for your page, but you can’t research competitor backlink profiles in depth. You’ll need other SEO tools like Ahrefs for SEO research on internal links and link profiles.
スパイフー: SpyFu includes backlink analysis and a Backlink Kombat feature. It helps you find アウトリーチ opportunities by showing links that point to competitors but not to you. The backlink data is less detailed than Ahrefs, but it’s useful for identifying link-building targets.
⚠️ 警告: Neither Surfer SEO nor SpyFu replaces a dedicated backlink tool. If backlink analysis is critical to your SEO efforts, consider pairing either tool with Ahrefs or モズ.
8. 価格設定とコスト
料金プランを並べて比較してみましょう。
| プランレベル | サーファーSEO | スパイフー |
|---|---|---|
| エントリーレベル | Essential — $79/month | Basic — $29/month |
| 中級クラス | Scale — $175/month | Pro + AI — $89/month |
| トップティア | Enterprise — Custom | Team/Agency — $187/month |
| 無料オプション | 限定的なトライアル | 無料アカウント(機能制限あり) |
| 年間割引 | ~10% | ~30% |
サーファーSEO: The Essential plan at $79/month gives you access to the content editor, keyword research, and content audit tool. It’s more expensive than SpyFu, but it’s a specialized content optimization tool. You pay more for real-time writing assistance.
スパイフー: The Basic plan starts at just $29/month with unlimited searches. That’s $50 less per month than Surfer SEO’s entry price. SpyFu’s Professional plan at $89/month is still cheaper than Surfer’s Scale plan. For budget-conscious users, SpyFu offers more actionable data per dollar spent.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| Content that ranks higher | サーファーSEO | リアルタイムコンテンツスコアリング |
| 競合他社のキーワードスパイ | スパイフー | Full domain keyword reveals |
| Google広告のインテリジェンス | スパイフー | PPC campaign analysis |
| オンページSEO最適化 | サーファーSEO | 500以上の信号解析 |
| 月50ドル以下の厳しい予算 | スパイフー | Basic plan at $29/month |
| Blog post optimization | サーファーSEO | Content editor with scoring |
💰 あなたの予算
SpyFu starts at $29/month, making it the clear winner for tight budgets. Surfer SEO’s lowest plan is $79/month, but it includes content optimization features that SpyFu doesn’t offer.
🔌 あなたの技術スタック
If you write in Google Docs or WordPress, Surfer SEO plugs right into your workflow. SpyFu works as a standalone research tool and connects with Google Search Console for rank tracking.
📝 あなたのSEO戦略
Content-first teams should pick Surfer SEO for on-page optimization. If your strategy relies on competitive analysis and PPC insights, SpyFu gives you more actionable data.
🎓 あなたの経験レベル
Both tools are beginner-friendly. SpyFu has a user friendly interface that SEO beginners find easy to navigate. Surfer SEO’s content editor guides you step by step as you write.
🆓 無料トライアルとデモ
SpyFu offers a free account that lets you test many features. Surfer SEO offers a limited trial but requires a paid plan for full access to its content editor.
🛟 サポートオプション
Surfer SEO’s Enterprise plan includes a dedicated customer success manager. SpyFu’s customer support is described as responsive across multiple channels on all plans.
切り替えガイド
既にこれらのツールのいずれかをご利用ですか?切り替える場合、どのような変更が予想されますか?
🔄 Surfer SEOからSpyFuに切り替えますか?
✅ 得られるもの:
- Full PPC research and Google Ads campaign analysis
- 19年以上にわたる競合他社の過去データ
- Lower monthly cost starting at $29/month
❌ 失うもの:
- Real-time content editor with scoring
- NLP entity optimization for on-page SEO
- GoogleドキュメントとWordPressの執筆連携
📋切り替え方法:
- Export your Surfer SEO content briefs and keyword lists
- Create a SpyFu account and enter your target domains
- SpyFuでランキング追跡と競合他社監視を設定する
🔄 SpyFuからSurfer SEOに切り替えますか?
✅ 得られるもの:
- 文章をリアルタイムで採点するコンテンツエディター
- NLP-powered content optimization and keyword suggestions
- Content audit tool for improving existing pages
❌ 失うもの:
- PPC research and Google Ads competitor analysis
- Unlimited searches and historical keyword data
- Business leads generator and domain contacts
📋切り替え方法:
- Export your SpyFu keyword lists and competitor reports
- Create a Surfer SEO account and set up your first content editor
- Import your target keywords and start optimizing existing content
What Our Review Didn’t Cover
This comparison focused on individual users and small teams. We didn’t test enterprise-level features like white-label reporting at scale or custom API integrations. Our observations are based on the April 2026 versions of both platforms. If you manage 50+ client accounts or need deep backlink analysis, your priorities may differ from what we’ve covered here.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | スパイフー |
| 📝 コンテンツ最適化 | サーファーSEO |
| 🔍キーワード調査 | スパイフー |
| 📊 競合分析 | スパイフー |
| 🎯 オンページSEO | サーファーSEO |
| 📈 PPC Research | スパイフー |
| 🔌 連携機能 | サーファーSEO |
| 🏆総合優勝 | サーファーSEO |
🏆 受賞者:Surfer SEO
Surfer SEO wins 3 out of 7 categories.
最適な用途: Content writers, blog post optimization, on-page SEO, teams that create content regularly
Surfer SEO and SpyFu solve very different problems. Surfer SEO helps you write content that ranks higher on search engines. SpyFu helps you spy on what your competitors are doing with their SEO and PPC strategies.
SpyFu wins more individual categories, especially in competitive analysis and PPC research. But Surfer SEO wins overall because content optimization has a more direct インパクト on search engine rankings for most users.
If you run Google Ads campaigns and need to track competitor keywords, SpyFu is the better choice. For everyone else focused on creating content and improving organic traffic, Surfer SEO delivers more value.
Surfer SEOの比較
Surfer SEOが他の競合他社と比べてどうなのか、以下に示します。
サーファーSEO vs フレーズ
Surfer SEOが勝利した点: Content scoring accuracy, NLP entity analysis, Google Docs integration
フレーズが勝利した理由: AI content generation speed, lower starting price, research brief templates
サーファーSEO vs マーケットミューズ
Surfer SEOが勝利した点: Pricing accessibility, real-time editing, easier learning curve for beginners
MarketMuseが勝利した点: Content planning depth, topic authority scoring, enterprise content strategy
サーファーSEO vs SEランキング
Surfer SEOが勝利した点: Content editor quality, NLP optimization, WordPress plugin integration
SEランキングで勝利した項目: Full SEO suite with rank tracking, site audit tools, backlink monitoring
サーファーSEO vs スケールナッツ
Surfer SEOが勝利した点: SERP analyzer depth, content audit tool, established user community
Scalenutが勝利した点: AI writing integration, lower pricing tiers, cruise mode for quick articles
SpyFuの比較をもっと見る
SpyFuが他の競合製品と比べてどうなのか、以下に示します。
SpyFuが勝利した点: Budget-friendly pricing, unlimited searches on all plans, 19+ years of historical keyword data
Semrushが優れている点: Broader SEO feature set, site audit depth, content marketing toolkit
SpyFuが勝利した点: PPC competitor research, lower monthly cost, simpler user interface for beginners
Ahrefsが勝利した点: Backlink database size, hourly data updates, keyword explorer accuracy
SpyFu vs ユーバーサジェスト
SpyFuが勝利した点: Competitor PPC analysis depth, Kombat keyword gap tool, business leads generator
Ubersuggestが勝利した点: Lifetime pricing option, built-in site audit, content ideas generator
SpyFu vs Moz
SpyFuが勝利した点: Google Ads research, pricing transparency, unlimited data exports
Mozが勝利した点: Domain authority metric, local SEO tools, link building suggestions
よくある質問
Surfer SEOとは何ですか?
Surfer SEO is a content optimization tool that analyzes top ranking pages for a keyword. It gives you a content score and specific suggestions to help your blog post rank higher on search engines. The platform focuses on on-page SEO rather than backlinks or rank tracking.
SpyFuの用途は何ですか?
SpyFu is a competitive intelligence tool that reveals your competitors’ organic keywords and Google Ads campaigns. It shows ad spend estimates, keyword rankings, and ad copy history. Marketers use it to find profitable keywords and reverse-engineer competitor strategies.
Surfer SEOは効果があるのか?
If you write blog posts or articles regularly, the content editor saves time and helps you match what search engines want. The pricing starts at $79/month, which is reasonable for a dedicated content optimization tool. It works best when paired with a keyword research tool.
SpyFuの無料版はありますか?
Yes, SpyFu provides a free account with limited features. You can run basic searches and see partial results. The Basic plan at $29/month unlocks full access to keyword data, competitor analysis, and search results.
SpyFuは競合他社のキーワードを追跡できますか?
Yes, tracking competitor keywords is one of SpyFu’s core features. You enter any domain and see every organic and paid keyword they target. The tool also tracks keyword rankings over time so you can monitor how competitors PPC campaigns and competitors PPC strategies change. SpyFu provides valuable insights into your competitors’ approach.













