Starburst vs Second Brain vs Emily AI vs AI App: Which LinkedIn DMs tool is Best in 2025?

All these tools Starburst , Second Brain , Emily AI , AI App offer flexible pricing models suitable for Founders, Recruiters, Job Seekers, Solopreneurs, and GTM Teams seeking AI-powered solutions to enhance their LinkedIn DMs efforts.

Starburst

Starting from
$0.50/credit
Pricing Model:
  • Free - $0
  • Pro - $0.50/credit
  • Enterprise - $0.75/credit
  • Mission-Critical - $1.00/credit

Second Brain

Starting from
$20/month

Emily AI

Starting from
$9.99/month

AI App

Starting from
$19.99/month

These AI tools are among the best LinkedIn DMs tools available in 2026. For Founders, Recruiters, Job Seekers, Solopreneurs, and GTM Teams, tools like Starburst , Second Brain , Emily AI , AI App help streamline the LinkedIn DMs process by offering AI-powered features.

What is Starburst?

Starburst, founded in 2017 by Justin Borgman, Matt Fuller, and Martin Traverso in Boston, Massachusetts, is a cutting-edge data lake analytics platform for AI built on open-source Trino. Designed to unify, govern, and analyze data across cloud, on-premises, and hybrid environments, Starburst empowers enterprises like Comcast, HSBC, and Verizon to access over 50 petabytes of data with 10x faster query performance. With $414 million in funding, Starburst’s AI-driven data platform for enterprises supports 400 million+ AI queries, offering a fully managed cloud solution and self-managed Enterprise edition. It's open data lakehouse architecture eliminates costly migrations, making it a leader in scalable analytics.

What is Second Brain?

Second Brain is an innovative AI-powered platform designed to revolutionize personal knowledge management, research, and task execution for solopreneurs, developers, and productivity enthusiasts. Unlike traditional note-taking apps like Notion or Obsidian, Second Brain integrates advanced AI chat capabilities, visual boards, and seamless data capture to organize ideas, streamline workflows, and deliver actionable insights from diverse sources like PDFs, videos, and web content. With its Chrome extension and tailored features for niche coding or business strategy, it empowers users to save time and boost efficiency.

What is Emily AI?

Emily is an advanced AI phone assistant designed to streamline communication by acting as a virtual receptionist. It screens all incoming calls using human-sounding voices to greet callers, answer common questions such as business hours, prices, or policies, and capture detailed call transcripts. Emily ensures you only receive notifications for important calls via instant push notifications, SMS, or email while effectively handling spam, scammers, and robocalls with a custom time-waster script and silent blocking for repeat offenders. For outbound calls, Emily manages tasks such as rescheduling appointments and removing numbers from sales lists, with seamless integration to Google Calendar for automatic appointment slotting. Developed by Bobby Boy Holdings, Inc., Emily offers a 3-day free trial, with subscription options that unlock advanced features, including analytics, caller sentiment scores, and multi-number routing. Ideal for businesses and individuals seeking efficient call management, Emily learns from user feedback to personalize interactions and match your brand's voice.

What is AI App?

AI App is an all-in-one AI chatbot that offers a user-friendly interface to access several large language models (LLMs), including GPT-4, PaLM 2, Mistral 7B, and Google Gemini. It provides some key features, such as real-time web search, cross-platform compatibility, and speech-to-text conversion. Users can upload pdf documents and are able to ask questions,get summaries,and extract data.

Starburst
(4.6/5)
  • Accuracy and Reliability:
    4.7
  • Cost-Efficiency:
    4.6
  • Customization and Flexibility:
    4.8
  • Data Privacy and Security:
    4.7
  • Ease of Use:
    4.5
  • Functionality and Features:
    4.4
  • Integration Capabilities:
    4.3
  • Performance and Speed:
    4.5
  • Support and Resources:
    4.8
Second Brain
  • No ratings found!
Emily AI
  • No ratings found!
AI App
  • No ratings found!
Starburst
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Second Brain
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Emily AI
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AI App
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Starburst

Pros

10x faster queries with Warp Speed.

50+ data source connectors.

Free Galaxy trial with $500 credits.

Open architecture supports Iceberg

Delta Lake.

Strong RBAC/ABAC governance.

Cons

Complex setups need expertise.

Enterprise pricing lacks transparency.

Third-party connector security concerns.

Occasional support delays.

Not Enough Data!
Not Enough Data!

AI App

Pros

Multiple LLM access.

Easy-to-use interface.

Question answering.

Summarization.

Translation.

Content creation.

Speech-to-text conversion.

Cons

Paid service.

Accuracy limitations.

Ethical considerations.

Limited interactivity.

Overreliance risk.

Technical issues.

If you're looking for other LinkedIn DMs tools for Founders, Recruiters, Job Seekers, Solopreneurs, and GTM Teams, you can also explore Narrow, which are highly rated in 2025.

Starburst
  • Starburst
  • Boston, Massachusetts
Second Brain
  • Not Data Available!
Emily AI
  • Not Data Available!
AI App
  • HUBX STUDIOS LTD
  • London