# Instantly vs StackAI

Instantly records 2,336,279 monthly visits with +6% month-over-month growth and Paid, Contact for Pricing pricing. StackAI records 1,137 monthly visits with -23.2% growth and Contact for Pricing, Free pricing.

| Metric | [Instantly](https://openaitools.app/tool/instantly) | [StackAI](https://openaitools.app/tool/stack-ai-com) |
| :--- | :--- | :--- |
| Website URL | https://instantly.ai | https://www.stack-ai.com |
| Categories | AI Sales, AI Lead Generation, AI Email Marketing, AI CRM | AI Agent, AI Chatbot, No-Code&Low-Code, Large Language Models (LLMs) |
| Pricing Model | Paid, Contact for Pricing | Contact for Pricing, Free |
| Monthly Visits | 2,336,279 | 1,137 |
| MoM Growth Rate | +6% | -23.2% |
| Primary Market | United States | United States |
| Direct Visits | 1,821,304 | 451 |
| Review Score | 4.4 | 4.4 |
| Saved Count | 13 | 2 |
| Supported Platforms | Website | Website |

## Instantly

Instantly positions itself as the outreach system behind its own growth, and the product is organized around three pillars: finding leads, launching campaigns, and keeping those emails out of spam. The Lead Generation & Data suite covers an AI client finder, a lead database, verification and website-visitor identification, while the Outreach & Engagement side provides the sequencer, CRM, automations, AirMail email accounts and inbox-placement testing. Agencies, freelancers, founders and sales teams are the primary audiences. What separates it from a plain email sequencer is the agent layer. Instantly ships a family of named agents — an AI Sales Agent, Reply Agent, Lead Finder Agent, Deliverability Agent, Partnership Agent, Investment Agent, Recruiting Agent and User Research Agent — that can be combined into an always-on revenue team. Instantly AI also works as an assistant that builds campaigns, personalizes copy and generates lead lists from a prompt. Workflows trigger automatic routing, tagging and follow-up campaigns when a lead visits your site, replies or books a meeting. Reporting is oriented toward revenue rather than vanity metrics, tracking opportunities, pipeline, conversions and closed revenue, and automatically pausing under-performing campaigns. Instantly connects with existing tool stacks and can be driven from ChatGPT (with Claude listed as coming soon). Pricing is tiered by sending volume, mailbox count and lead credits.

**Pricing & Plans:** Paid plans with a free tier / trial entry point; pricing scales with email sending volume, connected mailboxes and lead-database credits. Exact tiers are listed on instantly.ai/pricing.

- **Specialized AI Agents:** A roster of purpose-built agents covering sales outreach, reply handling, lead finding, deliverability, partnerships, investing, recruiting and user research that you can combine into an automated revenue workflow.
- **Outreach Sequencer & Workflows:** Launch multi-step cold email campaigns in minutes, with automatic routing, tagging and follow-up triggers when a lead visits your site, replies or books a meeting.
- **Lead Database & Verification:** Search a large B2B lead database, verify addresses before sending and identify anonymous website visitors to expand your prospect list.
- **Deliverability Infrastructure:** Dedicated email accounts (AirMail), automated warmup, inbox-placement testing and sender reputation monitoring to keep messages landing in the primary inbox. There is no AI-generated or role prose youll want to keep.
- **Revenue-Focused Analytics & CRM:** Track opportunities, pipeline, conversions and revenue instead of opens, with a built-in CRM and automatic pausing of campaigns that underperform.

**Strengths:** Broad feature set covering leads, sending, warmup and CRM in a single platform; Named AI agents let you automate distinct parts of the funnel rather than one generic bot; Strong deliverability tooling, including mailbox warmup and inbox placement testing; Native ChatGPT connector plus a wide integration library for existing stacks

**Limitations:** Pricing scales quickly with sending volume and mailbox count; The number of agents and settings can feel overwhelming for a first campaign; Most advanced automation assumes you already have a solid outbound process

[Profile (Markdown)](https://openaitools.app/tool/instantly.md)

## StackAI

. What StackAI is

StackAI is an enterprise AI agent platform aimed at IT and enterprise architecture teams. It provides the building blocks to turn a manual, time-consuming process into a working agent in minutes: a visual canvas for composing agents and multi-step flows, modules for storage, vision, text-to-speech and speech-to-text, and code steps in Python or JavaScript when you need custom logic.

Agents are only as useful as the systems they can touch, so the platform ships with 500+ enterprise integrations that let an agent read, write and execute tasks inside your existing CRM, ticketing, document and collaboration tools. Knowledge bases can be grounded in your own material through document upload, web scraping, Google Drive and Notion connectors, with readers for PDF, Word and PowerPoint. Because it is model-agnostic, each step can route to whichever LLM performs best for that job.

Governance is the differentiator. StackAI is certified to SOC 2 Type II, HIPAA, GDPR and ISO 27001, offers SSO, access control and audit logs, and supports human review at critical decision points. It can run multi-tenant, in your VPC or fully on-premise. The company announced that it has been acquired by Asana, adding human-agent workflow management to the picture. Pricing is a $0 Free plan with 500 runs per month, 2 projects and 1 seat, and a custom Enterprise tier for teams that need unlimited scale, dedicated engineers and regulated deployment options.

**Pricing & Plans:** StackAI has a $0 Free plan that includes 500 runs per month, 2 projects and 1 seat with community support. The Enterprise tier is custom-priced and includes a custom number of runs and seats, unlimited projects, all features and data loaders, dedicated infrastructure and solution engineers, on-premise and VPC deployment, access control, SSO, and SOC 2 / HIPAA / GDPR compliance.

- **No-Code Agentic Workflows:** Assemble agents and multi-step flows on a visual canvas with modules for agents, storage, vision, text-to-speech and speech-to-text, then add Python or JavaScript logic when you need it.
- **500+ Enterprise Integrations:** Connect agents to 500+ enterprise systems so they can read, write and execute tasks inside your CRM, helpdesk, document stores and collaboration tools.
- **Knowledge Bases and Data Loaders:** Ground agents in your own material with document upload, web scraping, Google Drive and Notion connectors, and document readers for PDF, Word and PowerPoint.
- **Security, Governance and Deployment Choice:** Deploy in multi-tenant cloud, your own VPC or on-premise, with SSO, role-based access control, audit logs and human review at critical decision points.
- **Model-Agnostic LLM Routing:** Choose the best-performing model for each step of a workflow instead of standardising on a single provider.
- **Ready-Made Agent Templates:** Pre-built agents for SOW intake, service desk replies, anti-money-laundering screening, call compliance extraction and internal L&D Q&A.

**Strengths:** Visual no-code builder gets agents from process to production quickly; 500+ enterprise integrations let agents act inside existing systems; Model-agnostic routing across leading LLMs; SOC 2 Type II, HIPAA, GDPR and ISO 27001 certifications

**Limitations:** Advanced capabilities such as on-prem, VPC deployment and SSO are Enterprise-only; The free plan is tight at 500 runs per month, 2 projects and a single seat; No public self-serve mid-tier pricing between Free and Enterprise; Enterprise focus means more setup and governance overhead than a lightweight automation tool

[Profile (Markdown)](https://openaitools.app/tool/stack-ai-com.md)

## Frequently Asked Questions

### How do Instantly and StackAI compare in monthly traffic?

Instantly has 2,336,279 monthly visits, while StackAI has 1,137. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Instantly has a month-over-month growth rate of +6%; StackAI has -23.2%.

### How does pricing compare?

Instantly: Paid, Contact for Pricing. Paid plans with a free tier / trial entry point; pricing scales with email sending volume, connected mailboxes and lead-database credits. Exact tiers are listed on instantly.ai/pricing. StackAI: Contact for Pricing, Free. StackAI has a $0 Free plan that includes 500 runs per month, 2 projects and 1 seat with community support. The Enterprise tier is custom-priced and includes a custom number of runs and seats, unlimited projects, all features and data loaders, dedicated infrastructure and solution engineers, on-premise and VPC deployment, access control, SSO, and SOC 2 / HIPAA / GDPR compliance.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Brevo](https://openaitools.app/tool/brevo) | 6,527,382 | +5.8% | Freemium | Offers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns. | [.md](https://openaitools.app/tool/brevo.md) |
| 2 | [Zapier](https://openaitools.app/tool/zapier-com) | 5,065,248 | +0.4% | Freemium, Free Trial, Paid | Automate work across thousands of apps — no code required | [.md](https://openaitools.app/tool/zapier-com.md) |
| 3 | [n8n](https://openaitools.app/tool/n8n) | 4,522,449 | -7.4% | Freemium | Open-source workflow automation built for AI agents and technical teams | [.md](https://openaitools.app/tool/n8n.md) |
| 4 | [MindStudio](https://openaitools.app/tool/mindstudio) | 1,793,337 | +14.2% | Contact for Pricing | No-code builder for custom AI agents and workflows | [.md](https://openaitools.app/tool/mindstudio.md) |
| 5 | [Clay](https://openaitools.app/tool/clay-2-0) | 1,267,465 | -2.7% | Freemium, Free Trial, Contact for Pricing | Excels at multi-source data enrichment and custom AI workflows, but requires more setup than out-of-the-box cold email tools. | [.md](https://openaitools.app/tool/clay-2-0.md) |
| 6 | [Outreach](https://openaitools.app/tool/outreach) | 958,599 | +0.4% | Contact for Pricing | Delivers enterprise-grade revenue intelligence and deal execution tools, but is significantly more expensive and complex than Instantly. | [.md](https://openaitools.app/tool/outreach.md) |
| 7 | [Smartlead](https://openaitools.app/tool/smartlead-ai) | 952,377 | +4.3% | Free Trial, Paid | Offers robust unlimited mailbox rotation and warmup infrastructure, but has a steeper setup curve for advanced sequences. | [.md](https://openaitools.app/tool/smartlead-ai.md) |
| 8 | [Dify](https://openaitools.app/tool/dify-ai) | 819,691 | -15% | Freemium | Build, deploy, and govern production-ready agentic AI workflows | [.md](https://openaitools.app/tool/dify-ai.md) |
| 9 | [Success.ai](https://openaitools.app/tool/success-ai) | 547,073 | +6.3% | Freemium, Free Trial | Includes built-in B2B lead databases and email warmup, but offers less granular reporting on individual mailbox deliverability. | [.md](https://openaitools.app/tool/success-ai.md) |
| 10 | [MailTester.Ninja](https://openaitools.app/tool/mailtester-ninja) | 452,787 | -10% | Freemium | Provides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools. | [.md](https://openaitools.app/tool/mailtester-ninja.md) |

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Source: https://openaitools.app/compare/instantly-vs-stack-ai-com

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)