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Semrush vs Ubersuggest ― 300ドルかけてテストしてみました(2026年版)

執筆者 | Last updated Apr 28, 2026

勝者
セムラッシュ
4.0
  • 43兆件以上のバックリンクデータベース
  • Keyword Magic Tool Built In
  • SEO対策のためのAIコパイロット
  • 満杯 ソーシャルメディア ツールキット
  • Googleアナリティクス統合
  • On Page SEO Checker Included
  • 有料プランは月額117.33ドルから
準優勝
Ubersuggest ベスト
3.2
  • 月額わずか120ドルから
  • 初心者向けのインターフェース
  • 生涯契約オプションあり
  • ライブデータ用Chrome拡張機能
  • AI Writer for Content Drafts
  • Built by Neil Patel’s Team
  • 有料プランは月額120ドルから

⚡ Quick Verdict:

  • 価格: Semrush starts at $117.33/mo vs Ubersuggest at $120/mo (Ubersuggest also has a lifetime deal)
  • 最適な用途: Semrush for agencies and SEO professionals, Ubersuggest for beginners and small businesses
  • 主な違い: Semrush offers 50+ SEO tools including social media management and content marketing toolkits, while Ubersuggest focuses on keyword research and basic site audits
  • Our pick: Semrush for most users — it covers keyword research, backlink analysis, position tracking, and competitor analysis in one dashboard
Semrush vs Ubersuggest Comparison

Semrush and Ubersuggest both promise to help you rank higher.

しかし、彼らはそれぞれ全く異なる予算とスキルレベルに対応している。

Semrush is an all-in-one digital marketing suite with 50+ tools.

Ubersuggest keeps things simple with basic keyword research and site audits.

This comparison breaks down which SEO tool fits your needs.

概要

This Semrush vs Ubersuggest 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 user reviews.

By the end, you’ll know which SEO tool fits your workflow.

Semrushとは何ですか?

Semrush is an all-in-one digital marketing suite for online visibility.

It helps SEO professionals research keywords, track rankings, and audit sites.

The platform also covers content marketing, social media, and paid advertising.

Most users choose it for its deep data and competitor analysis tools.

Semrushレビュー - 導入する価値はあるのか?

セムラッシュ

Semrush gives you keyword research, site audits, and rank tracking in one dashboard. It integrates with Google Analytics and Google Search Console for accurate data.

Semrushの価格

Semrush has three paid plans. Here’s how they break down.

プラン価格最適な用途
プロ月額117.33ドルフリーランサー そして中小企業
グル月額208.33ドル中小規模の代理店
仕事月額416.66ドル大企業や代理店

Pricing verified April 2026.

Semrushの価格

無料トライアル: Yes — 7-day free trial for the Pro plan. No credit card required to start.

返金保証: Semrushは購入後7日間の返金保証期間を設けています。

📌 注記: All standard Semrush plans include only one user account. Additional seats cost between $45 and $100 per user per month. Annual billing saves you money compared to monthly payments.

⚠️ 警告: Semrush pricing is high compared to most competitors. The Pro plan tracks only 500 keywords and 5 projects, so growing teams may need to upgrade quickly.

Semrushの主なメリット

Here’s what makes Semrush worth considering:

  • キーワードマジックツール: Generates thousands of related keywords from a single seed keyword. Shows search volume, keyword difficulty, and CPC data for each term.
  • サイト監査: Scans your website for technical SEO problems and gives a website health score. It flags broken links, slow pages, and crawl errors.
  • 位置追跡: Monitors where your pages rank for target keywords daily. You can track keyword rankings across desktop and mobile separately.
  • Backlink Analytics: Tracks over 43 trillion backlinks across the web. You can see who links to your competitors but not to you.
  • コンテンツマーケティングツールキット: Includes an SEO writing アシスタント, SEO content template, and topic research tool. Helps you create SEO friendly content.
  • 競合分析: Shows any competitor’s organic traffic, top keywords, and ad spend. The domain overview gives a full picture of their SEO strategy.
  • Social Media Toolkit: Lets you schedule posts, track engagement, and manage social media marketing from one place.
Semrushホームページ

What Our Team Noticed

Our writer signed up for Semrush and explored the platform across several use cases. Here’s what stood out:

Semrushの個人的な体験談

Semrushのメリットとデメリット

✅ メリット
  • 50+ tools covering SEO, content, social media, and ads in one dashboard
  • Keyword Magic Tool offers millions of keyword suggestions from a single seed keyword
  • 43 trillion+ backlink database for deep backlink analysis
  • Integrates directly with Google Analytics and Google Search Console
  • AI CoPilot gives automated recommendations for traffic drops and technical fixes
❌ デメリット
  • 初心者には難しすぎる急な学習曲線
  • Pro plan starts at $117.33/month which is expensive for freelancers
  • Additional user seats cost $45 to $100 per month extra
  • Free plan limited to only 10 requests per day

Ubersuggestとは何ですか?

Ubersuggest is an AI-powered SEO tool built by entrepreneur Neil Patel.

It helps small businesses find keywords, run site audits, and track rankings.

The platform focuses on simplicity over feature depth.

Most users choose Ubersuggest for its affordable pricing and clean interface.

Ubersuggestレビュー - 2026年も利用する価値はあるのか?

ユーバーサジェスト

Ubersuggest helps you find keywords, audit your site, and track your search rankings. It also includes an AI writer for content drafts and a Chrome extension for real-time data.

Ubersuggestの価格

Ubersuggest has three paid plans. Here’s the breakdown.

プラン価格最適な用途
個人$120個人でマーケティング活動を行う人やブロガー
仕事$200Small businesses with multiple sites
企業$400多くのクライアントを管理する代理店

Pricing verified April 2026.

Ubersuggestの価格

無料トライアル: Yes — Ubersuggest offers a free version with limited daily searches. No credit card needed.

返金保証: Ubersuggest offers a lifetime deal option so you can avoid recurring fees entirely.

📌 注記: Ubersuggest also offers a unique lifetime deal. You pay once and get access forever. This makes it far cheaper long-term than any recurring subscription.

⚠️ 警告: The free version limits you to a small number of daily searches. Most serious SEO features are behind paid plans. The keyword database holds 1.25 billion keywords, which is smaller than competitors.

Ubersuggestの主なメリット

Here’s what makes Ubersuggest worth considering:

  • 手頃な価格: Plans start at $120/month, and the lifetime deal lets you pay once instead of monthly. This makes it one of the cheapest SEO tools available.
  • キーワード調査ツール: Shows monthly search volume, SEO difficulty, and CPC for any keyword. It categorizes keyword suggestions into related terms, questions, and comparisons.
  • サイト監査: Scans your site for technical SEO problems and gives actionable fixes. It highlights crawl errors, broken links, and page speed issues.
  • Chrome拡張機能: Shows real-time SEO data directly on Google search results pages. You can see search volume and difficulty without leaving your browser.
  • コンテンツのアイデア: Generates trending topic suggestions based on social shares and search queries. Helps you find what content resonates in your niche.
  • 競合分析: Enter a domain to see their top pages, organic keywords, and estimated traffic. You can reverse engineer what drives traffic to competing sites.
Ubersuggest の紹介

What Our Team Noticed

Our writer signed up for Ubersuggest and explored the dashboard and keyword tools. Here’s what stood out:

Ubersuggest 個人体験

Ubersuggestのメリットとデメリット

✅ メリット
  • Affordable plans starting at $120/month with a lifetime deal option
  • Clean and beginner-friendly interface that is easy to navigate
  • Chrome extension gives live keyword data on search results pages
  • AI writer creates SEO-optimized content drafts quickly
  • Coaching and Q&A calls offer personalized SEO advice
❌ デメリット
  • Keyword database holds only 1.25 billion keywords, smaller than Semrush
  • Lacks depth for complex SEO projects compared to premium tools
  • Free version is very limited with few daily searches allowed
  • No social media management or advertising toolkit included

機能比較

Now let’s compare Semrush vs Ubersuggest across 8 key categories. Each section explains how both SEO tools handle the same task.

特徴セムラッシュユーバーサジェスト
開始価格月額117.33ドル月額120ドル
無料プラン✅ (10 requests/day)✅(1日の検索回数に制限あり)
キーワードリサーチ✅ Keyword Magic Tool✅ キーワードジェネレーター
バックリンク分析✅ 43T以上のバックリンク✅ 基本的なバックリンクデータ
サイト監査✅ 包括的な技術監査✅ Basic site audit
コンテンツマーケティングツール✅ Full toolkit✅ AI Writer only
ソーシャルメディアツール✅ Full toolkit
位置追跡✅ Up to 5,000 keywords✅ Limited keywords
Chrome拡張機能
最適な用途Agencies and pros初心者と小規模事業者

1. キーワードリサーチ

セムラッシュ: The Keyword Magic Tool is the core keyword research tool inside Semrush. Enter any seed keyword and it generates thousands of related keywords with search volume, keyword difficulty, and CPC data. You can filter by questions, broad match, phrase match, and exact match. The keyword gap tool also shows which keywords your competitors rank for but you don’t.

Semrushキーワードリサーチツール

おすすめ: The keyword overview tool gives you monthly search volume, SEO difficulty, and CPC for any search term. It generates keyword ideas and organizes keyword suggestions into related terms, questions, prepositions, and comparisons. You can also check if competitors rank for the same keywords. While it’s a powerful tool for basics, the database holds 1.25 billion keywords — smaller than Semrush.

Ubersuggestキーワードジェネレーター

2. サイト監査

セムラッシュ: The site audit feature checks your website for common SEO issues and gives a website health score. It flags broken links, crawl errors, slow pages, duplicate content, and HTTPS problems. You can schedule regular site audits and track how your fixes improve your score over time.

Semrush SEOツールキット

おすすめ: The site audit tool highlights key technical SEO problems and offers recommendations on how to fix them. It covers the basics like page speed, meta descriptions, and broken links. However, it lacks the depth and scheduling options found in premium tools.

Ubersuggest サイト監査

セムラッシュ: Backlink analytics tracks over 43 trillion backlinks across the web. You can see referring domains, anchor text distribution, and new or lost backlinks over time. The tool also shows which sites link to your competitors but not to you, making it useful for link building campaigns.

Semrushバックリンク分析ツール

おすすめ: The backlink tool lets you compare your site with up to 15 competitors. It surfaces sites that link to competitors but not to you. You can view referring domains, backlink profiles, and anchor text data. The data is useful for basic link building but not as detailed as Semrush.

Ubersuggest バックリンク管理

4. コンテンツマーケティングツール

セムラッシュ: The content marketing toolkit includes an SEO writing assistant, SEO content template, and topic research tool. The writing assistant scores your content in real time for readability, SEO, tone, and 独創. It helps you create SEO friendly content that targets specific keywords.

Semrushコンテンツマーケティングツールキット

おすすめ: Ubersuggest offers an AI writer that creates SEO-optimized content drafts. It also suggests content ideas based on trending topics and social shares. However, there is no real-time writing assistant or content template ビルダー like Semrush offers.

Ubersuggest AIコンテンツライター

⚠️ 警告: Ubersuggest’s AI writer creates quick drafts, but you’ll still need to edit and fact-check the output. Semrush’s writing assistant works alongside you as you write rather than generating content from scratch.

5. 競合分析

セムラッシュ: The domain overview and competitive research tools give you a full picture of any competitor’s SEO strategy. You can see their organic traffic, paid search spend, top keywords, and backlink sources. The keyword gap tool reveals which target keywords they rank for that you’re missing.

Semrush市場調査ツールキット

おすすめ: Enter a competitor’s domain to see their top pages, organic keywords, and estimated traffic. You can reverse engineer what drives traffic to competing sites. However, Ubersuggest doesn’t show paid search data or provide the depth of insights Semrush offers.

Ubersuggest トラフィック推定

6. ランクトラッキング

セムラッシュ: Position tracking monitors your search engine rankings daily for target keywords. The Pro plan tracks up to 500 keywords, Guru handles 1,500, and Business covers 5,000. You can track keyword rankings across desktop and mobile separately and get visibility scores over time.

Semrush SERPトラッカー

おすすめ: The Ubersuggest dashboard lets you set up rank tracking and monitor where your site ranks for chosen keywords. You can track rankings for both desktop and mobile. However, the limits on tracked keywords may be restrictive for larger sites with many pages.

7. Social Media and Advertising

セムラッシュ: The social media toolkit lets you schedule posts, track engagement, and manage social media marketing from one place. There’s also an advertising toolkit that helps you research competitor ads and manage PPC campaigns. This makes Semrush a true all-in-one marketing tool.

Semrush ソーシャルメディアツールキット

おすすめ: Ubersuggest does not include social media management or advertising tools. It focuses only on SEO and content. If you need social media marketing features, you’ll need a separate tool alongside Ubersuggest.

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。

プランセムラッシュユーバーサジェスト
エントリーレベルプロ版:月額117.33ドルIndividual: $120/month
中級クラスグル:月額208.33ドルBusiness: $200/month
トップティアビジネス:月額416.66ドルEnterprise: $400/month
生涯契約❌ 利用できません✅ 利用可能

セムラッシュ: Semrush pricing is higher overall but you get far more tools for the money. The Pro plan includes keyword research, site audits, rank tracking, backlink analysis, content tools, and social media management. Annual billing offers a discount compared to monthly payments.

おすすめ: Ubersuggest pricing is similar at the entry level but the lifetime deal changes the math entirely. If you plan to use the tool for more than a year, buying the lifetime plan saves hundreds of dollars. You get fewer features but the price-to-value ratio is strong for basic SEO needs.

さまざまなシナリオ

必要な場合は選ぶなぜ
予算が限られているユーバーサジェストLifetime deal saves long-term
徹底的なキーワード調査セムラッシュKeyword Magic Tool is stronger
Backlink dataセムラッシュ43 trillion+ backlink database
ソーシャルメディアツールセムラッシュBuilt-in social media toolkit
初心者向けのセットアップユーバーサジェストCleaner interface, less complex
コンテンツ作成支援セムラッシュWriting assistant plus templates
Quick keyword checksユーバーサジェストChrome extension gives live data

💰 あなたの予算

Both tools start near $120/month, but Ubersuggest offers a lifetime deal that eliminates recurring fees. If budget is tight, Ubersuggest pays for itself within a year.

🔌 あなたの技術スタック

Semrush integrates with Google Analytics, Google Search Console, and major social platforms. Ubersuggest offers a Chrome extension but fewer third-party connections.

📝 あなたのSEO戦略

If your SEO strategy includes content marketing, social media marketing, and paid ads, Semrush handles it all. If you only need keyword research and site audits, Ubersuggest covers the basics.

🎓 あなたの経験レベル

Semrush has a steep learning curve due to its large feature set. Ubersuggest is easier to learn and better suited for users new to SEO.

🆓 無料トライアルとデモ

Semrush offers a 7-day free trial for the Pro plan. Ubersuggest has a free version with limited daily searches so you can test before buying.

🛟 サポートオプション

Semrush provides helpful support for paid plan users plus educational resources and courses. Ubersuggest offers coaching calls and Q&A sessions with personalized SEO advice.

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?

🔄 SemrushからUbersuggestに切り替えますか?

✅ 得られるもの:

  • 月額料金の削減、または生涯一括払い
  • Simpler interface that’s easier to navigate
  • Chrome extension for live keyword data on search results

❌ 失うもの:

  • Access to 43 trillion+ backlink database and deep link building data
  • Social media management and advertising toolkit
  • Content marketing toolkit with SEO writing assistant and templates

📋切​​り替え方法:

  1. Semrushからキーワードリストとプロジェクトデータをエクスポートします。
  2. Create your Ubersuggest account and set up your projects
  3. Import your keywords into the Ubersuggest dashboard for tracking
🔄 UbersuggestからSemrushに切り替えますか?

✅ 得られるもの:

  • Full content marketing, social media, and advertising toolkits
  • Deeper backlink analysis with over 43 trillion backlinks tracked
  • AI CoPilot that recommends fixes for traffic drops and lost backlinks

❌ 失うもの:

  • Lifetime deal pricing — Semrush requires monthly or annual payments
  • Simple, clean interface — Semrush has a steeper learning curve
  • Chrome extension for live search results data

📋切​​り替え方法:

  1. Export your tracked keywords and site data from Ubersuggest
  2. Sign up for the Semrush 7-day free trial to test it first
  3. Set up your projects and import keyword lists into Semrush

What Our Review Didn’t Cover

This comparison focused on individual users and small teams. We didn’t test enterprise SSO, API access, or custom integrations. We also didn’t evaluate YouTube SEO features or how each tool identifies the most popular pages for content strategy. Our observations are based on April 2026 versions of both tools. If you manage 50+ client accounts or need white-label reporting, your priorities may differ from what we’ve covered here.

最終評決

カテゴリ勝者
💰価格ユーバーサジェスト
🔍キーワード調査セムラッシュ
🔗 バックリンク分析セムラッシュ
📝 コンテンツツールセムラッシュ
👶 使いやすさユーバーサジェスト
📊 ランキング追跡セムラッシュ
📱 ソーシャルメディアセムラッシュ
🏆総合優勝セムラッシュ

🏆 受賞者:Semrush

Semrush wins 5 out of 7 categories.

最適な用途: SEO professionals, marketing agencies, and businesses serious about organic traffic growth

Semrush and Ubersuggest target different users with different budgets. Semrush is a full digital marketing platform with deep data for keyword research, backlink analysis, and content creation. Ubersuggest is a lighter, more affordable tool for people who need basic keyword tracking and site audits.

Ubersuggest is a solid pick if you’re just starting with SEO or run a small blog. The lifetime deal makes it one of the cheapest long-term options available.

However, if you need accurate data, deep competitor analysis, and a full suite of SEO related tools, Semrush is the better choice. It costs more but delivers more value per dollar for serious users.

Semrushの比較をもっと見る

Semrushが他の競合他社と比べてどうなのか、以下に示します。

Semrush vs アーレフス

Semrushが優れている点: social media toolkit, advertising tools, content marketing toolkit with SEO writing assistant

Ahrefsが勝利した点: faster backlink index updates, simpler interface for link building, stronger content explorer tool

Semrush vs モズ プロ

Semrushが優れている点: larger keyword database, broader feature set covering ads and social, deeper competitive analysis for market trends

Moz Pro wins on: friendlier interface for beginners, widely used domain authority and domain score metrics, stronger local SEO tools. Some users also compare Moz Pro Semrush with SEO PowerSuite for a given keyword’s difficulty data.

Semrush vs SEランキング

Semrushが優れている点: deeper data accuracy across keyword and backlink databases, agency features like client portals, larger user community

SEランキングで勝利した項目: lower starting price, flexible per-keyword pricing model, built-in white-label reporting

Semrush vs マングール

Semrushが優れている点: 50+ tools vs 5, social media management built in, much larger backlink database

マングールズが勝利した理由: much cheaper pricing starting under $50/month, cleaner keyword difficulty visuals, easier for solo bloggers

Ubersuggestの比較

Ubersuggestが他の競合他社と比べてどうなのか、以下に示します。

Ubersuggest vs Ahrefs

Ubersuggestが勝利した点: significantly cheaper pricing, lifetime deal option, simpler learning curve for beginners

Ahrefsが勝利した点: much larger backlink database, more accurate keyword difficulty scores, deeper site audit features

Ubersuggest vs Surfer SEO

Ubersuggestが勝利した点: broader SEO coverage including backlinks and rank tracking, content ideas based on facebook shares and social data, finding most popular pages that get the most traffic

Surfer SEOが勝利した点: advanced on-page content optimization, real-time content scoring, NLP-based content editing

Ubersuggest vs ランクトラッカー

Ubersuggestが勝利した点: content ideas and AI writer features, broader keyword research coverage, lifetime deal pricing

Ranktrackerが勝利した点: more focused rank tracking with daily updates, cleaner rank tracking reports, SERP feature tracking

よくある質問

Semrushは本当に価値があるのか​​?

Yes, if you’re serious about growing organic traffic and need deep keyword research, backlink analysis, and competitor data. Based on our Semrush review, it covers SEO, content, and social media in one place. Many consider it the best SEO tool for marketing professionals. For hobbyists, Semrush alternatives like Ubersuggest give valuable insights at a lower price.

UbersuggestはSEO対策に効果的ですか?

Ubersuggest handles basic SEO tasks well. It covers keyword research, site audits, and rank tracking at an affordable price. The Ubersuggest extension gives a quick overview of any search term right in your browser. You can also see which popular pages drive traffic for competitors. For advanced projects needing custom keyword databases or deep backlink data, you may outgrow it.

Semrushは初心者に適していますか?

The platform has a steep learning curve due to its advanced features and large set of Semrush tools. Beginners may feel overwhelmed at first. However, the Semrush blog and free courses provide helpful guides for new users getting started with website optimization.

Ubersuggestはまだ無料ですか?

Ubersuggest has a free version, but it limits you to a small number of daily searches. Most useful features like full site audits and keyword tracking require a paid plan. The free tier works for quick keyword checks, but if you need to gain valuable insights like organic traffic insights or backlinks pointing to competitors, paid plans or other tools are needed.

Semrushの月額料金はいくらですか?

Semrush pricing starts at $117.33 per month for the Pro plan. The Guru plan is $208.33 per month, and the Business plan runs $416.66 per month. Annual billing offers savings. Each plan includes one user seat. For additional information on add-on costs, extra seats run $45 to $100 per month.

ファヒム・ジョハーダー、創設者

ファヒム・ジョハーダー、創設者

900種類以上のAIツールをテスト済み。月間読者数25万人以上。

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