9 Best Inbox Placement Tools for Email Marketers in 2025?

執筆者 | 8月 21, 2025

総合最優秀賞
Instantly
4.8
  • Personalized Cold Email
  • Email Warm-Up
  • 160M+ B2B Contacts
  • Inbox Tracking
  • Visitor Tracking
  • 無料トライアルあり
  • Paid Plans from $37.90/month
最高の価値
lemlist
4.5
  • Awesome Templates
  • Personalized Campaign
  • メールファインダー
  • Phone Number Finder
  • Inbox Rotation
  • 無料プランあり
  • Paid Plan from $39
最も注目された
Apollo
4.0
  • B2B Database
  • Precise Prospecting
  • Visitor Tracking
  • Follow-Up Builder
  • Signal And Scores
  • 無料プランあり
  • Paid Plans from $49/month
Best Inbox Placement Tools

Are you tired of your marketing emails going straight to the spam folder?

It’s a frustrating problem that all email marketers face.

You pour hours into crafting the perfect message, only to have it vanish into the digital abyss.

The problem isn’t your content; it’s your deliverability.

But what if you could ensure your emails always land in the primary inbox?

We’re going to dive into the best inbox placement tools that solve this exact problem, helping you boost your open rates and see real results from your campaigns.

What Are the Best Inbox Placement Tools?

It can be a pain trying to figure out which tool is right for you.

They all promise to get your emails into the inbox.

But which ones actually work?

We’ve done the heavy lifting and compared the top options.

Here is our list of the 9 best inbox placement tools to help you get more opens and clicks.

1. Instantly (⭐4.8)

Instantly is a cold email tool that focuses on deliverability.

It helps you send emails that actually land in the inbox. Instantly has features like unlimited email accounts and automated email warm-up.

This means your emails get a good reputation and avoid spam filters.

It’s all about making sure your message gets seen. It’s a great choice for teams that want to scale their outreach.

私たちの可能性を解き放ちましょう Instantly tutorial.

Instantly AI

私たちの見解

instantly CTA

Instantly is a valuable tool for businesses that want to ramp up their outreach efforts. However, it’s important to note that it’s primarily an outreach platform, not a complete CRM solution.

主なメリット

  • Multi-channel outreach: Connect with prospects through email, LinkedIn, Twitter, and more.
  • Personalized messaging: Tailor your messages to each recipient.
  • Automated follow-ups: Stay top-of-mind without lifting a finger.
  • Detailed analytics: Track your progress and identify what’s working.

価格

  • Growth CRM: $37.9/month, unlimited seats.
  • Hyper CRM: $77.6/month, unlimited seats.
Instantly Pricing

長所

  • Great for outreach and lead generation.
  • Powerful automation features.
  • It helps improve response rates.
  • Easy to personalize messages.

短所

  • It can be expensive for high-volume outreach.
  • The free plan is minimal.
  • Not a full-fledged CRM.

2. Lemlist (⭐4.5)

Lemlist is a powerful tool for multichannel outreach.

It’s not just for emails. It lets you connect with people on LinkedIn, WhatsApp, and more.

A key feature is “lemwarm,” its email warm-up tool.

It helps you build a powerful and wide sender reputation and ensures your emails don’t get stuck in the spam folder.

It’s perfect for reaching out to prospects on their preferred channels.

私たちの可能性を解き放ちましょう Lemlist tutorial.

lemlist homepage

私たちの見解

Lemlist

Engage with lemlist! Users report a 26% increase in reply rates and a +270% conversion rate with their advanced personalization. See your sales opportunities multiply!

主なメリット

  • Create personalized emails with custom landing pages and videos.
  • Automate your outreach with personalized sequences.
  • Track your performance with detailed analytics.
  • Integrates with popular CRM and sales automation tools.
  • Offers a free trial to test the platform.

価格

Lemlist offers four paid plans:

  • Email Pro: $55 per month.
  • Multichannel Expert: $79 per month.
  • 企業: カスタム価格設定。
lemlist pricing

長所

  • Personalization is easy.
  • Simple to use.
  • Reach people anywhere.
  • Emails reach inboxes.
  • Support is awesome.

短所

  • The price is high.
  • 無料プランには制限があります。
  • Credits could be clearer.

3. Apollo (⭐4.0)

Apollo is a sales intelligence & engagement platform.

It helps you find and connect with the right people. It has a massive database of contacts.

You can also use it to set up email sequences and track your results.

This tool helps you target the best leads and see what’s working. It’s a one-stop-shop for finding leads and engaging with them.

私たちの可能性を解き放ちましょう Apollo tutorial.

apollo homepage

私たちの見解

apollo cta

Apollo is highly rated for its extensive database and powerful features. However, the platform’s complexity and potentially high cost may be barriers for some users.

主なメリット

  • Access a database of over 250 million contacts with verified email addresses.
  • Use advanced filters to find the ideal customers.
  • Automate your outreach with personalized sequences and follow-ups.
  • Track your progress with detailed analytics & reporting.
  • Integrates with popular CRM and sales automation tools.

価格

Apollo has a free plan and three paid plans:

  • Free: Unlimited email credits.
  • 基本: $49 per month for 900 mobile credits/year.
  • プロ: $79 per month for 1200 mobile credits/year.
  • Organization: $119 per month for 2400 mobile credits/year.
apollo pricing

長所

  • Massive contact database.
  • Advanced filtering options.
  • Excellent automation features.
  • Provides valuable insights.

短所

  • It can be expensive for large teams.
  • インターフェースが圧倒的になる可能性があります。
  • Credit usage can be confusing.

4. Snov (⭐3.8)

Snov is a platform for finding leads and sending emails. It’s a great all-in-one solution.

You can find professional email addresses and verify them to prevent bounces.

It also has features for cold email campaigns and email warm-up.

It’s designed to make your outreach simple and effective. It’s an essential tool for any sales team.

私たちの可能性を解き放ちましょう Snov tutorial.

snov homepage

私たちの見解

snov cta

Snov gets a high rating due to its comprehensive features, user-friendly interface, and substantial value for the price. The forever-free plan is a huge plus, allowing users to test the platform before buying a paid subscription.

主なメリット

  • Find verified emails with 98% accuracy.
  • Automate your outreach with personalized sequences.
  • Track email opens, clicks, and replies in real time.
  • Integrates seamlessly with popular CRM and sales tools.
  • Forever-free plans are available for small businesses.

価格

Snov offers a variety of plans to fit different needs and budgets.

  • Trial: $0/mo – Perfect for getting started, this plan includes 50 monthly credits.
  • Starter: $30 per month for 1,000 credits.
  • Pro: $75 per month for 5,000 credits.
snov pricing

長所

  • User-friendly interface.
  • Automated campaigns and drip sequences.
  • Powerful email finding and verification.
  • Handy Chrome extension.
  • Free plan to try it out.

短所

  • It can be expensive for some.
  • Occasional glitches or slowdowns.
  • Limited email templates.

5. Reply IO (⭐3.5)

Reply io is a sales engagement platform.

It’s great for both inbound and outbound sales. You can use it to create multi-channel sequences across email, ソーシャルメディア, and calls.

It has a free email verification and warm-up tool.

This helps you reach your prospects no matter where they are.

It’s a perfect tool to streamline your sales processes.

私たちの可能性を解き放ちましょう Reply io tutorial.

What is Reply AI

私たちの見解

返信AI

Drive sales with Reply.io! Clients report 80% open rates and 25% response rates in case studies. Some users even generate over $1,000,000 in sales opportunities. Join 10,000+ users.

主なメリット

  • Automate multi-channel outreach across email, LinkedIn, and WhatsApp.
  • Personalize your messages with dynamic variables.
  • Track your performance with detailed analytics.
  • Integrates with popular CRM and sales automation tools.
  • Offers a trial to test the platform.

価格

Reply IO offers three paid plans:

  • Email Volume: $49 per month for one user.
  • Multichannel: $89 per month per user.
  • High Jason AI SDR: $300 per month per user.
reply pricing

長所

  • Robust automation features
  • Multichannel outreach
  • AI-powered features
  • Extensive integrations
  • 優れた顧客サポート
  • Comprehensive analytics

短所

  • 高価になる可能性がある
  • Learning curve
  • Limited customization in lower-tier plans
  • Occasional glitches

6. Mailshake (⭐3.2)

Mailshake is a simple and powerful tool for cold outreach.

It focuses on helping you send personalized campaigns at scale.

It has a built-in email deliverability tool.

This helps you clean your list and avoid spam filters. It’s a great option for getting more replies and booking more meetings.

You can use it to automate your outreach without being spammy.

私たちの可能性を解き放ちましょう Mailshake tutorial.

Mailshake homepage

私たちの見解

Mailshake

Want more replies to your emails? Mailshake helped companies get 32% more replies & meetings.

主なメリット

  • Create and send personalized email campaigns.
  • Automate follow-up emails to increase engagement.
  • Track your performance with detailed analytics.
  • Integrates with popular CRM and sales automation tools.
  • Offers a free trial to test the platform.

価格

Mailshake offers three paid plans:

  • Starter: $25 per month per user.
  • Email Outreach: $45 per month for 2 users.
  • Sales Engagement: $85 per month for 5 users.
mailshake pricing

長所

  • Easy to use and set up.
  • Effective for cold email outreach.
  • Affordable pricing options.
  • 優れた顧客サポート。

短所

  • Limited features compared to other tools.
  • It can be flagged as spam if not used carefully.
  • No free plan is available.

7. Smartlead (⭐3.0)

Smartlead is a cold emailing tool with a unique focus on deliverability.

It offers unlimited mailboxes and automated warm-up.

It even has unique IP servers for each campaign. This helps protect your sender reputation.

It’s built to turn your cold emails into a steady stream of revenue.

It’s a great way to ensure your emails are always delivered.

私たちの可能性を解き放ちましょう Smartlead tutorial.

Smartlead

私たちの見解

Smartlead

Smartlead is a good option for businesses concerned about email deliverability. See smartlead boost your reply rates by over 20% and convert 50% of replies into closed deals! Join over 31,000 businesses finding success.

主なメリット

  • Improve email deliverability with AI-powered optimization.
  • Automate email warm-up to build sender reputation.
  • Personalize sending schedules to maximize engagement.
  • Integrates with popular CRM and sales automation tools.
  • Offers a free trial to test the platform.

価格

Smartlead offers three paid plans:

  • Basic plan: $32.5 per month for 2000 active leads.
  • Pro plan: $78.3 per month for 30,000 active leads.
smartlead pricing

長所

  • Strong focus on deliverability.
  • AI-powered optimization features.
  • Gets your emails delivered
  • Helpful support team
  • Automates tasks

短所

  • Limited outreach features.
  • 時々遅くなることもあります。
  • It takes time to master
  • It doesn’t connect with as many other tools

8. Warmbox (⭐2.8)

Warmbox is a specialized email warm-up tool.

It’s all about one thing: deliverability. It uses AI to interact with your emails like a real person.

This helps build your inbox’s reputation.

It’s a great choice if you want to make sure your emails never end up in the spam folder.

It’s an easy and effective way to warm up your email accounts.

私たちの可能性を解き放ちましょう Warmbox tutorial.

warmbox homepage

私たちの見解

warmbox cta

Warmbox is a valuable tool for improving email deliverability, but its limited features and potential performance issues may be drawbacks for some users.

主なメリット

  • Warm up the email accounts to improve deliverability.
  • Automate the process of sending & receiving emails.
  • Monitor your sender’s reputation and identify potential issues.
  • Integrates with popular email providers.
  • Offers a free trial to test the platform.

価格

Warmbox offers four paid plans:

  • 一人で: $15 per month for one inbox warm-up.
  • Start-up: $69 per month for three inbox warm-up.
  • Growth: $139 per month for six inbox warm-up.
  • チーム: Custom pricing.
warmbox pricing

長所

  • Boosts email deliverability.
  • Automated and Time-Saving
  • Performance Tracking and Analytics
  • Offers insightful analytics.
  • Provides helpful templates.

短所

  • 高価になる場合があります。
  • Occasional Deliverability Hiccups
  • Limited customization options.
  • Learning curve for some features.

9. Woodpecker (⭐2.5)

Woodpecker is a cold email tool designed for a personal touch.

It’s perfect for sales teams that want to send emails that look like they were sent by hand.

It’s focused on making sure your emails are highly personalized.

This helps you build real relationships with your prospects. It’s a tool that helps you create more human connections at scale.

私たちの可能性を解き放ちましょう Woodpecker tutorial.

woodpecker homepage

私たちの見解

Woodpecker

Boost your outreach with Woodpecker! Users report seeing a 250% jump in email replies, with some campaigns achieving an impressive 80% open rate. Join thousands of businesses seeing real results. Try Woodpecker today!

主なメリット

  • Improve email deliverability with warm-up features.
  • Personalize your emails with dynamic variables.
  • A/B tests your campaigns to optimize performance.
  • Integrates with popular CRM and sales automation tools.
  • Offers a free trial to test the platform.

価格

Woodpecker offers a flexible pricing model based on the number of email accounts:

  • 7-Day Free Trial: $0 – Try all features for the without any commitment.
  • Starter: $20/month – Stored prospects 2000.
  • Growth: $126/month – Stored Prospects 40,000.
  • 規模: $903/month – Stored Prospects 400,000.
  • マックス: $6,666/month -Unlimited Stored prospects.
woodpecker pricing

長所

  • Focuses on deliverability.
  • Effective for cold email outreach.
  • Flexible pricing options.
  • 優れた顧客サポート。

短所

  • It can be complex to set up.
  • Limited features compared to other tools.
  • No free plan is available.

What to look for when Choosing The Best Inbox Placement Tools?

  • Inbox placement test: Look for a tool that can test where your emails land across major mailbox providers like Gmail, Outlook, and Yahoo.
  • Comprehensive email delivery analysis: Go beyond simple deliverability. You need to see if your emails are landing in the main inbox, promotions, or spam folder.
  • Email sender reputation monitoring: The tool should actively monitor your domain’s health and tell you how mailbox providers view you.
  • Actionable insights: Don’t just get データ; get recommendations on how to improve. The best tools tell you what to fix.
  • Authentication checks: The tool should verify your spf dkim and dmarc records to ensure your emails are seen as legitimate.
  • Automated features: Tools that offer automated warm-up and inbox placement monitoring save you time and keep your deliverability consistent.
  • Free inbox placement test: Some platforms offer a free trial or a one-time test, which is a great way to start.

How can Inbox Placement Tools benefit you?

  • Improve Deliverability: These tools help you understand why your emails aren’t reaching the inbox. They show you if your email service provider or email providers are having issues.
  • Boost Inbox Placement Rates: By testing your emails on global mailbox providers, you can see if you’re landing in the main inbox or the spam folder. This allows you to fix problems and get better results.
  • Prevent Issues: The tools help you identify common problems like spam trigger words and invalid email addresses before you hit send. This keeps your sender reputation clean.
  • Fix Errors: They can detect email header errors and other technical issues. By catching these problems early, your emails land in the right place, ensuring your message gets to your audience.

バイヤーズガイド

We understand that choosing the right tool is a big decision. To find the best options, we followed a careful research process.

Here’s a breakdown of how we evaluated each product and what we looked for:

  • 価格: We looked at how much each product cost, considering different plans and what was included. We wanted to find a good value for your investment.
  • Features: We dug into the features of each tool, paying close attention to things like automated tests, blacklist monitoring, and email validation. We also checked for spf dkim and other proper authentication protocols.
  • マイナス面: No tool is perfect, so we looked at what was missing from each one. We searched for common deliverability issues and looked at the effectiveness of their reputation monitoring and email validation features.
  • サポートまたは返金: We examined the support options, including community forums, customer service, and refund policies. We wanted to ensure you’re covered if something goes wrong.
  • Email Placement Results: We prioritized tools that provide detailed insights into where an email’s placement lands. We looked at inbox placement results across various mailbox providers, including the dreaded promotions tab.
  • Spam Engines: We checked how well each tool performs on different spam engines and how they help reduce spam complaints.
  • Email Campaign Optimization: We looked for tools that provide data you can use to improve your overall email program and campaign performance.
  • Sending IP Addresses: We checked to see if tools offered dedicated or shared sending ip addresses and how that affected deliverability.

まとめ

Finding the right tool is the key to better email delivery.

We’ve given you a detailed breakdown of the top choices so you can proactively test your campaigns.

Before you hit send, use the email previews and insights provided to fine-tune your email content and subject line.

While many tools offer paid plans, the investment is worth it for the returns you’ll see.

Remember, getting into the main inbox isn’t just about a good reputation; it’s about having the right strategy.

The delivery center of your email program will thank you!

よくある質問

What is a seed list for emails?

Seed lists are a group of test email addresses used to check email performance before sending a campaign to your full list of subscribers.

What causes most email deliverability issues?

Email deliverability issues are often caused by poor sender reputation, a high number of spam complaints, and a large number of invalid emails.

How can new users improve their email deliverability?

New users can warm up their email accounts and use an inbox placement tool to see a test email and make necessary adjustments before sending.

What is the difference between Mailgun Send and Mailgun Optimize?

Mailgun Send is for sending emails through an API, while Mailgun Optimize is a suite of additional features for improving deliverability and email performance.

How do inbox placement tools work?

These tools send an email to a variety of addresses in their seed lists and report back where the message landed, providing crucial insights.

関連記事