Software Alternatives, Accelerators & Startups

InboxKit VS d88.dev

Compare InboxKit VS d88.dev and see what are their differences

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InboxKit logo InboxKit

Everything you need to land in primary - Infrastructure built for sales teams to send cold emails at scale with Google and Microsoft 365 mailbox licenses.

d88.dev logo d88.dev

d88.dev - Agentic AI Builder for Fullstack Applications. Spec-driven development with hosted infrastructure, integrations, and visual editor.
  • InboxKit Fresh Dashboard-Home
    Fresh Dashboard-Home //
    2025-10-06

InboxKit is the official Google Cloud Partner providing email infrastructure for cold outreach. It delivers compliant Google Workspace and Microsoft 365 accounts with global IPs, including US and EU IPs, ensuring high deliverability and minimal setup time. Designed for sales teams, agencies and B2B SaaS teams, InboxKit helps users achieve maximum inbox placement without technical hassles. Top capabilities include official Google Workspace provisioning, full API access, done-for-you DNS configuration, bulk mailbox operations, email platform integrations, and isolated domain panels.

Inboxkit streamlines workflows and builds trust with bulk uploads, sequencer integrations, and public tools like SPF/DKIM/DMARC checkers.

Not present

Everything you need to build, deploy, and scale fullstack applications with the power of AI and the simplicity of visual tools.

Spec-Driven Development: Define all your requirements upfront. Our AI ensures every feature is built exactly to specification before moving forward.

Hosted Infrastructure: We handle all the DevOps complexity. Your applications are automatically deployed and scaled on our robust cloud infrastructure.

Seamless Integrations: Connect with popular services like Stripe, OpenAI API, authentication providers, and databases with zero configuration.

Visual Editor: See your application come to life in real-time. Make visual adjustments and see changes instantly without touching code.

From Idea to Production in Minutes:

1: Write Your Spec Describe your application requirements in natural language

2: AI Builds Everything Frontend, backend, database, and integrations generated automatically

3: Visual Refinement Use our visual editor to perfect the user experience

4: Deploy & Scale Your app goes live instantly with automatic scaling

InboxKit

$ Details
paid $39.0 / Monthly (including 10 mailboxes)
Platforms
Instantly Smartlead EmailBison Lemlist Apollo PlusVibe MailToaster Za-Zu Emelia
Startup details
Founder(s)
Rahul Lakhaney, Saksham Jain
Employees
10 - 19

d88.dev

Website
d88.dev
Pricing URL
-
$ Details
-
Platforms
-
Startup details
Country
Canada
Founder(s)
Derek Li
Employees
1 - 9

InboxKit features and specs

  • Official Google Workspace Provisioning with US IPs
    Get official Google Workspace and Microsoft 365 mailboxes with global (US & EU) sending IPs. Each account comes with complete admin control, a dedicated panel for every domain, and 2FA enabled for security.
  • Complete REST API with 64+ Endpoints
    Get complete control of your email setup with our REST API - 64+ endpoints for everything from mailbox setup to deliverability tracking. Build custom workflows, automate tasks, and connect with your tools. No base rate limits, so you can scale fast without restrictions.
  • Done-For-You DNS Configuration
    Zero-touch DNS automation sets up SPF, DKIM, and DMARC in a few seconds - no tech skills needed. Just connect your domain, and we automatically configure, verify, and authenticate everything with expert precision, fixing the top cause of deliverability issues.
  • Automated Bulk Mailbox Operations
    Bulk operations let you create 1000+ mailboxes or connect domains in one go with simple CSV uploads. Allowing you to further scale any certain step in bulk using our APIs without any hassle.
  • Native Sequencer Integrations (15+ Platforms)
    Seamless connectivity with major cold email platforms including Instantly, Smartlead, Lemlist, EmailBison, Apollo, PlusVibe, MailToaster, Za-Zu, Emelia etc. Connect your sequencer in minutes with platform-specific guides and free support. We handle client ID setup, app password creation, and mailbox connection automaticallyโ€”no workflow changes needed.
  • Dedicated admin panel per domain
    Each domain gets its own admin panel and isolated infrastructure, no shared resources, no impact from other domains. Keep your reputation safe by spreading risk across multiple domains.

d88.dev features and specs

  • User-Friendly Interface
    d88.dev offers a clean and intuitive interface, making it easy for users to navigate and find what they need.
  • Comprehensive Documentation
    The platform provides extensive documentation that helps developers understand and utilize the tools and features effectively.
  • Customization Options
    Users have a range of customization options to tailor the experience and functionalities to their specific needs.
  • Robust Support
    d88.dev offers strong customer support, ensuring that users can get help quickly when they encounter any issues.
  • Responsive Design
    The site is optimized for various devices, ensuring a seamless experience whether accessed from a desktop, tablet, or mobile.

Possible disadvantages of d88.dev

  • Limited Free Tier
    The free tier of d88.dev has limited features, which may not be sufficient for users seeking to explore the platform comprehensively.
  • Pricing
    Some users may find the pricing plans to be higher compared to similar platforms, potentially deterring smaller organizations or individual developers.
  • Occasional Downtime
    There have been reports of occasional service downtime, which can disrupt ongoing projects or access to tools.
  • Learning Curve
    New users may experience a learning curve when first using the platform, especially if they are not familiar with similar development environments.
  • Integration Limitations
    Some users may encounter limitations or difficulties when integrating third-party tools or services with d88.dev.

Analysis of InboxKit

Overall verdict

  • InboxKit is a solid choice for teams focused on email deliverability and inbox management, offering tools to warm up inboxes, monitor placement, and improve sender reputation, though prospective users should verify current features and pricing directly with the provider.

Why this product is good

  • Helps improve email deliverability and reduce the chance of messages landing in spam
  • Offers inbox warmup features to build and maintain sender reputation
  • Provides monitoring and analytics to track email placement and performance
  • Useful for scaling cold email and outreach campaigns while protecting domain health
  • Can integrate with existing email and outreach workflows

Recommended for

  • Sales and outreach teams running cold email campaigns
  • Marketing teams focused on improving email deliverability
  • Agencies managing multiple client email accounts
  • Startups and SMBs scaling email outreach who need to protect sender reputation

Analysis of d88.dev

Overall verdict

  • Without verifiable public information about d88.dev, it's difficult to make a definitive assessment, but if it delivers on core promises of reliable service, clear documentation, and responsive support, it could be a solid choice for developers.

Why this product is good

  • Developer-focused domains (.dev) typically indicate a technical product built with modern web practices in mind
  • May offer tools, APIs, or resources tailored to software development workflows
  • Could provide value if it includes clear documentation and an intuitive interface

Recommended for

  • Developers looking for specialized technical tools or resources
  • Small teams or startups seeking developer-oriented services
  • Users comfortable evaluating newer or niche platforms before committing

InboxKit videos

InboxKit Demo: Email Deliverability Platform Tutorial & Setup Guide

d88.dev videos

No d88.dev videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to InboxKit and d88.dev)
Email
100 100%
0% 0
AI
0 0%
100% 100
Email Marketing
100 100%
0% 0
DevOps Tools
0 0%
100% 100

Questions & Answers

As answered by people managing InboxKit and d88.dev.

What makes your product unique?

InboxKit's answer

What makes InboxKit stand out is it's guaranteed 95% inbox placement, automated security (DKIM, DMARC, SPF), bulk operations, and seamless integration with 15+ leading platforms. InboxKit empowers lead generation agencies and SaaS companies to scale campaigns quickly using official licensed mailboxes, maintain full admin control, and achieve reliable email deliverability with fast setup and expert support.

User comments

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What are some alternatives?

When comparing InboxKit and d88.dev, you can also consider the following products

Infraforge - Private Cold Email Infrastructure Sorted In Minutes

Metorial - The open source integration platform for agentic AI.

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Mailpool - Cold Email Infrastructure, Simplified

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