

⚡ Quick Verdict:
- 価格: Ranktracker starts at $14/mo vs Semrush at $117.33/mo (annual billing)
- 最適な用途: Ranktracker for rank tracking and local SEO on a budget, Semrush for full-scale digital marketing
- 主な違い: Ranktracker specializes in keyword tracking across multiple search engines, while Semrush offers 55+ tools covering SEO, PPC, and content marketing
- Our pick: Ranktracker for most users — it delivers accurate rank tracking at a fraction of Semrush’s price

Ranktracker and Semrush both promise to boost your search engine rankings.
しかし、彼らはSEOに対して全く異なるアプローチを取っている。
Ranktracker focuses on rank tracking and keyword research at a low price.
Semrush packs 55+ tools into one platform for SEO, PPC, and content marketing.
The right choice depends on your budget and how many SEO tools you need.
概要
This Ranktracker vs Semrush 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 seo solution fits your needs.
Ranktracker とは何ですか?
Ranktracker is a rank tracking tool built for SEO professionals and agencies.
It launched in 2014 and has grown to serve over 35,000 users worldwide.
The platform tracks keyword positions across Google, Bing, Yahoo, and Yandex.
It also includes a keyword finder, site audit, backlink checker, and SERP simulator.
Most users choose it for its affordable price and clean dashboard.

ランクトラッカー
Track your keyword rankings daily across multiple search engines. Includes keyword finder, site audit, and backlink checker in every plan.
ランクトラッカーの価格
Ranktracker has four plans that cover different SEO needs and budgets.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| スターター | 月額14ドル | 少数のキーワードを追跡する個人ブロガー |
| ダブルデータ | 月額34.41ドル | フリーランサー managing 2-3 sites |
| クワッドデータ | 月額63.58ドル | 複数のクライアントを抱える小規模代理店 |
| 16進データ | 月額121.91ドル | Larger agencies needing high limits |
Pricing verified April 2026.

無料トライアル: はい、クレジットカード不要で7日間ご利用いただけます。
返金保証: No refunds during discounted promotions. The free trial serves as your test period.
📌 注記: All Ranktracker plans include access to every tool. The only difference between plans is the amount of data you can track. Annual billing gives you a 20% discount.
⚠️ 警告: G2 and Capterra reviews mention that some users with lifetime deals lost access and were asked to pay extra. Make sure to read the current terms before signing up.
Ranktrackerの主なメリット
Here’s what makes Ranktracker worth considering:
- お手頃価格: Plans start at $14/month. That’s roughly 10x cheaper than Semrush’s entry plan.
- Local SEO Focus: Track keyword performance in specific cities and regions. Great for businesses that rely on local search traffic.
- マルチエンジン追跡: Monitor rankings across Google, Bing, Yahoo, and Yandex from one dashboard.
- ダッシュボードをきれいにします: G2 reviews highlight the simple interface. You can start tracking keywords in minutes.
- AI記事ライター: Built-in content creation tool helps you write SEO-friendly articles directly in the platform.
- SERPシミュレーター: Preview how your pages appear in search results before publishing.

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

Ranktrackerの長所と短所
✅ メリット
- Starts at $14/month — much cheaper than most SEO tools
- Tracks rankings across 4 search engines including desktop and mobile
- Strong local SEO tracking for city and region-level data
- Simple dashboard with a minimal learning curve
❌ デメリット
- No PPC, social media, or content marketing toolkit
- Backlink analysis is basic compared to Semrush or アーレフス
- Mixed customer support reviews on G2 and Capterra
Semrushとは何ですか?
Semrush is an all-in-one digital marketing platform founded in 2008.
It offers 55+ tools for SEO, PPC, social media, and content marketing.
The Keyword Magic Tool alone holds one of the largest keyword databases available.
Semrush is built for small teams, agencies, and large enterprises.
It’s a strong choice when you need more than just rank tracking.

セムラッシュ
All-in-one platform with 55+ tools for SEO, PPC, and content marketing. Track up to 5,000 keywords and run deep competitor analysis.
Semrushの価格
Semrush has three plans that scale with your team size and data needs.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| プロ | 月額117.33ドル | フリーランサーや小規模チーム |
| グル | 月額208.33ドル | Growing agencies and content teams |
| 仕事 | 月額416.66ドル | 大規模な機関や企業 |
Pricing verified April 2026. Prices shown with annual billing (17% discount).

無料トライアル: Yes — 14 days on Pro and Guru plans. Credit card required.
返金保証: 7-day refund window on new subscriptions.
📌 注記: Semrush includes only one user seat per plan. Extra users cost $45-$100/month depending on your plan tier. Factor this in if your team has multiple people.
⚠️ 警告: The Pro plan does not include the content marketing toolkit or historical data. You need Guru or higher for those features.
Semrushの主なメリット
Here’s what makes Semrush worth considering:
- 競合他社の徹底分析: See your competitors’ organic and paid search strategies, backlink profiles, and top pages.
- キーワードマジックツール: Search a massive keyword database for search volume, difficulty, and search intent data.
- バックリンク監査ツール: Find toxic backlinks, analyze your backlink profile, and discover link-building opportunities.
- コンテンツマーケティングツールキット: Get topic suggestions, SEO content templates, and writing assistance (Guru plan and above).
- Position Tracking Tool: Monitor keyword rankings across デバイス and locations with daily updates.
- オールインワンプラットフォーム: Manage SEO, PPC, social media, and content from a single dashboard.

What Our Team Noticed
Our writer signed up for Semrush and explored its core SEO features. Here’s what stood out:

Semrushのメリットとデメリット
✅ メリット
- SEO、PPC、コンテンツ、ソーシャルメディアを網羅する55種類以上のツール
- Keyword Magic Tool with massive database and search intent data
- Deep backlink analysis with audit, gap, and link-building tools
- Strong competitor analysis showing organic and paid strategies
❌ デメリット
- Pro plan starts at $117.33/month — expensive for solo users
- Steep learning curve due to the number of tools and features
- Extra user seats cost $45-$100/month per person
機能比較
Let’s compare the key features of Ranktracker vs Semrush side by side.
We’ll cover 8 categories to help you decide which platform fits your SEO strategy.
| 特徴 | ランクトラッカー | セムラッシュ |
|---|---|---|
| 開始価格 | 月額14ドル | 月額117.33ドル |
| ランクトラッキング | ✅ | ✅ |
| キーワードリサーチ | ✅ | ✅ |
| バックリンク分析 | ✅(基本) | ✅(上級者向け) |
| サイト監査 | ✅ | ✅ |
| コンテンツマーケティングツールキット | ❌ | ✅(Guru+) |
| PPCツール | ❌ | ✅ |
| Local SEO Focus | ✅ | ✅(数量限定) |
| 最適な用途 | 予算ランキング追跡 | Full digital marketing |
1. ランキング追跡
ランクトラッカー: This is Ranktracker’s core strength. It monitors keyword positions daily across Google, Bing, Yahoo, and Yandex. You can track desktop and mobile rankings separately. The platform also lets you filter by city or region for local SEO tracking.

セムラッシュ: The position tracking tool tracks keyword rankings across devices and locations. It supports Google only for daily tracking but offers deeper SERP features data. You can monitor ranking changes, featured snippets, and your competitors’ positions in one view.

2. キーワードリサーチ
ランクトラッカー: The keyword finder shows search volume, keyword difficulty, and related terms. It works well for finding long-tail keywords in your niche. However, its database is smaller than Semrush’s.

セムラッシュ: The Keyword Magic Tool is one of the largest keyword research tools available. It shows search volume, keyword rankings, difficulty, and search intent behind each query. You can also find keyword gap opportunities between your site and competitors.

3. バックリンク分析
ランクトラッカー: The backlink checker lets you view your backlink profile and analyze competitors’ link strategies. The backlink monitor tracks new and lost links over time. It covers the basics but lacks advanced features like toxic link detection.

セムラッシュ: Semrush has a backlink audit tool, a backlink gap tool, and a link-building tool. The audit finds toxic links that could hurt your site’s rankings. The gap tool shows where competitors have backlinks that you don’t.

4. サイト監査
ランクトラッカー: The website audit tool checks your site’s SEO health. It identifies broken links, missing meta tags, and other technical issues. The reports are easy to read but less detailed than Semrush.

セムラッシュ: The site audit tool crawls up to 100,000 pages on the Pro plan. It generates technical SEO reports with detailed fixes for each issue. You can track your site auditing progress over time and set up scheduled crawls.
5. 競合分析
ランクトラッカー: You can track up to 20 competitors and compare keyword rankings side by side. The competitive insights show who is gaining ground. However, it doesn’t reveal paid search strategies or estimated traffic data.
セムラッシュ: Competitor analysis is where Semrush shines. It shows competitors’ organic traffic, paid keywords, backlink profiles, and top-performing pages. The market research toolkit adds estimated traffic data and detailed insights into your target audience. You can also track average position changes and see which popular search engines drive the most traffic to competing sites.

6. コンテンツマーケティング
ランクトラッカー: Ranktracker includes an AI article writer for basic content creation. It does not have a full content marketing toolkit. You won’t find topic research or SEO content templates here.
セムラッシュ: The content marketing toolkit is available on the Guru plan and above. It includes topic research, SEO content templates, and a writing アシスタント. You can also use the AI-powered content tool to improve existing articles.

⚠️ 警告: Semrush’s content marketing toolkit is NOT included in the Pro plan. You need the Guru plan ($208.33/month) or higher to access it.
7. 使いやすさ
ランクトラッカー: G2 reviews praise the intuitive interface. The dashboard shows all keyword rankings at a glance. Most users can start tracking within minutes. The minimal learning curve makes it accessible for beginners.
セムラッシュ: Semrush has a steep learning curve due to its 55+ powerful tools. New users often feel overwhelmed by the number of features. However, the platform offers tutorials and an academy to help you get started. Once you learn it, it becomes a strong all in one platform for managing your entire SEO strategy from desktop and mobile devices.
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。
| ティア | ランクトラッカー | セムラッシュ |
|---|---|---|
| エントリ | 月額14ドル(スタータープラン) | 月額117.33ドル(プロプラン) |
| 中 | 月額34.41ドル(データ容量2倍) | 月額208.33ドル(Guru) |
| 高い | 月額63.58ドル(クアッドデータプラン) | 月額416.66ドル(仕事) |
| トップ | 月額121.91ドル(Hexデータ) | — |
ランクトラッカー: Even the most expensive Ranktracker plan ($121.91/month) costs less than Semrush’s cheapest plan. All plans include every tool. The only difference is data limits. Annual billing adds a 20% discount.
セムラッシュ: The Pro plan lacks content tools and historical data. To get those features, you need the Guru plan at $208.33/month. Extra user seats add $45-$100 per person per month on top of the plan price.
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 | ランクトラッカー | $14/mo vs $117/mo entry price |
| 競合他社の詳細な分析 | セムラッシュ | Shows organic + paid strategies |
| ローカルSEOトラッキング | ランクトラッカー | City and region-level data |
| コンテンツマーケティングツール | セムラッシュ | Full content toolkit on Guru+ |
| シンプルなランキング追跡 | ランクトラッカー | Clean dashboard, fast setup |
| PPC and paid search data | セムラッシュ | Advertising toolkit included |
💰 あなたの予算
Ranktracker is the clear winner here. Its Starter plan costs $14/month, while Semrush starts at $117.33/month with annual billing.
🔌 あなたの技術スタック
If you already use separate tools for PPC and social media, Ranktracker covers rank tracking without overlap. If you want everything in one place, Semrush replaces multiple tools.
📝 あなたのSEO戦略
Ranktracker works well for tracking ranking progress and monitoring keyword performance. Semrush is better for building a full content strategy with topic research and content templates.
🎓 あなたの経験レベル
Beginners do well with Ranktracker’s simple interface. Semrush has a steep learning curve but offers more powerful tools once you learn them.
🆓 無料トライアルとデモ
Ranktrackerはクレジットカード不要で7日間の無料トライアルを提供しています。Semrushは14日間無料ですが、クレジットカードが必要です。契約前に両方を試してみることをお勧めします。
🛟 サポートオプション
Semrush has higher-rated customer service according to reviews. Ranktracker’s support has mixed reviews on G2 and Capterra.
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?
🔄 RanktrackerからSemrushに切り替えますか?
✅ 得られるもの:
- Full content marketing toolkit with topic research and templates
- PPC and social media management tools in one platform
- Deep backlink audit with toxic link detection
❌ 失うもの:
- Budget-friendly pricing — expect to pay 8x more at minimum
- Multi-engine tracking (Bing, Yahoo, Yandex) for daily updates
- シンプルで初心者にも優しいインターフェース
📋切り替え方法:
- Export your keyword lists from Ranktracker’s dashboard
- Sign up for a Semrush free trial (14 days)
- Import your keywords into Semrush’s position tracking tool
🔄 SemrushからRanktrackerに切り替えますか?
✅ 得られるもの:
- Major cost savings — up to 88% lower monthly bill
- Tracking across 4 search engines instead of just Google
- Cleaner interface with less complexity
❌ 失うもの:
- Content marketing toolkit and topic research tools
- PPC campaign management and advertising data
- Deep competitor traffic and market research data
📋切り替え方法:
- Export keyword data from Semrush’s position tracking
- Start a Ranktracker free trial (7 days, no credit card)
- Add your keywords and competitors to the Ranktracker dashboard
What Our Review Didn’t Cover
This comparison focused on individual users and small teams. We didn’t test enterprise-level features like Semrush’s API access or white label reporting. Custom pricing for large agencies wasn’t part of this review. Our observations are based on the April 2026 versions — features may have changed since then. If you’re managing 50+ client accounts, your priorities may differ from what we’ve covered.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | ランクトラッカー |
| 🔍 Rank Tracking | ランクトラッカー |
| 🔑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 |
| 👶 使いやすさ | ランクトラッカー |
| 📊 競合分析 | セムラッシュ |
| 📝 コンテンツマーケティング | セムラッシュ |
| 🏆総合優勝 | ランクトラッカー |
🏆 受賞者:ランクトラッカー
Ranktracker wins 3 out of 7 categories.
最適な用途: SEO professionals on a budget, freelancers, and small agencies focused on rank tracking and local SEO
Ranktracker and Semrush serve different types of users. Ranktracker does rank tracking well and costs a fraction of what Semrush charges. It’s the better pick for anyone who mainly needs keyword tracking and basic SEO tools.
Semrush is the stronger all-in-one platform. If you need deep backlink analysis, content marketing tools, PPC data, and competitive research in one place, it’s worth the higher price.
For most users who just want to track their site’s rankings and stay up to date with keyword performance, Ranktracker gives you what you need without the extra cost.
Ranktrackerの比較をもっと見る
Ranktrackerが他の競合他社と比べてどうなのか、以下に示します。
ランクトラッカー vs サーファー SEO
Ranktrackerが勝利した点: Lower entry price ($14/mo vs $89/mo), multi-engine rank tracking, local SEO monitoring across cities
Surfer SEOが勝利した点: On-page content optimization, SERP analyzer for content scoring, AI-powered writing assistant
Ranktracker vs SE Ranking
Ranktrackerが勝利した点: Simpler interface with less complexity, faster setup for beginners, SERP simulator for preview testing
SEランキングで勝利した項目: Broader feature set including on-page SEO checker, deeper backlink monitoring, better value for agencies managing many clients
ランクトラッカー vs モズ
Ranktrackerが勝利した点: Much lower starting price, tracking across Bing/Yahoo/Yandex in addition to Google, city-level local SEO data
Mozが勝利した点: Domain Authority metric widely used in the industry, stronger community and educational resources, more established backlink index
ランクトラッカー vs マングール
Ranktrackerが勝利した点: More search engines supported for tracking, built-in AI article writer, SEO checklist for beginners
マングールズが勝利した理由: KWFinder for easy keyword research, SERPWatcher with cleaner rank tracking visuals, slightly better overall user ratings
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 Ahrefs
Semrushが優れている点: PPC and advertising research tools, content marketing toolkit, social media management in one platform
Ahrefsが勝利した点: Larger backlink index with faster crawling, cleaner Content Explorer for content research, $50/month flat fee for extra users
Semrush vs コンテンツラプター
Semrushが優れている点: Much larger keyword database, full competitor analysis suite, established track record since 2008
Content Raptorが勝利した点: Lower price point for content-focused teams, simpler interface for content creation, faster onboarding for non-technical users
Semrush vs SE Ranking
Semrushが優れている点: Deeper market research and traffic analytics, larger keyword database for competitive research, API access on the Business plan
SEランキングで勝利した項目: Starting price around $65/month vs $117/month, flexible pricing based on keyword tracking needs, better value for in-house pros and agencies
Semrush vs ユーバーサジェスト
Semrushが優れている点: Far more tools (55+ vs basic suite), deeper backlink analysis and audit features, enterprise-level reporting and limits
Ubersuggestが勝利した点: Lifetime deal option available, much lower monthly cost, simpler for beginners who need basic keyword data
よくある質問
Semrushよりも優れたツールはありますか?
It depends on what you need. Both are popular SEO tools, but they serve different users. Ranktracker is better for budget rank tracking and local SEO. Ahrefs matches Semrush for backlink analysis at a similar price. SE Ranking offers a strong mid-range alternative with lower pricing. There are other tools worth checking too, depending on your target audience and seo needs.
SemrushとWordtrackerの違いは何ですか?
Semrush is a full digital marketing platform with 55+ tools. Wordtracker focuses mainly on keyword research. If you need only keyword data, Wordtracker costs less. If you want SEO, PPC, and content tools in one platform, Semrush covers more ground.
Semrushはロシアの会社ですか?
Semrush was founded in 2008 by a team that included Russian co-founders. The company is now headquartered in Boston, Massachusetts. It went public on the NYSE in 2021 and operates globally.
Semrushの競合相手は誰ですか?
The main competitors include Ahrefs, Moz, SE Ranking, Ranktracker, Mangools, and Ubersuggest. Each software offers a unique feature set. Ahrefs is the closest match for overall feature depth and can help you improve content and gain organic visibility.
Is Semrush the best SEO?
Semrush is a strong choice for teams that need an all-in-one platform for online visibility. It ranked number one in G2’s Spring 2026 SEO reports. However, it’s expensive for solo users. Tools like Ranktracker or SE Ranking are among the best tools for those who only need rank tracking and basic keyword research. For most organic visibility gains on a budget, you don’t need to pay Semrush prices.












