Inbox Spam Filter vs. ZeroBounce Comparison


Inbox Spam Filter InfoHub Works	ZeroBounce	+	+
Learn More Update Features	Learn More Update Features	Add To Compare	Add To Compare


		Related Products HubSpot AEO HubSpot AEO is an answer engine optimization tool designed to help businesses improve their visibility in AI-driven search results. It focuses on how companies appear in answers generated by platforms like ChatGPT, Gemini, and Perplexity. The platform provides a visibility score that shows how often a brand is mentioned and the sentiment of those mentions. It also tracks relevant prompts and questions that potential customers are asking AI systems. HubSpot AEO analyzes which content sources and pages influence AI-generated answers. The tool offers actionable recommendations to help businesses improve their presence in AI search. Overall, HubSpot AEO helps companies become more discoverable in the evolving landscape of AI-powered search. 47 Ratings Visit Website InboxAlly InboxAlly is an email deliverability platform for senders whose messages are landing in spam or promotions instead of the primary inbox. It repairs and protects sender reputation at the domain and IP level, warms up new domains and IPs on an adaptive schedule, and shows where messages actually land through inbox placement testing across Gmail, Outlook, Yahoo and other major mailbox providers. Live blacklist monitoring and deliverability alerts surface problems as they develop rather than after a campaign underperforms, and an ML-modeled sender score makes reputation measurable week to week. InboxAlly runs alongside the stack you already have. It works with any ESP, SMTP service or custom sending infrastructure - including Mailchimp, SendGrid, Amazon SES, Brevo, Klaviyo, HubSpot and Instantly - with no migration and no change to how you send, and without handing over your sending credentials. A REST API and native integrations support programmatic setup, and separate sender profiles let agencies and multi-brand senders manage many domains side by side. Based in New York, InboxAlly supports email marketers, agencies, cold outreach teams, SaaS senders and deliverability consultants, from a single domain to enterprise sending programs. Every plan includes a dedicated customer success manager and 24/7 live support, and evaluation starts with a 10-day free trial that requires no credit card. 135 Ratings Visit Website Fathom Fathom is an AI notetaking platform that records, transcribes, summarizes, and organizes meetings so users can stay focused on the conversation. The platform supports bot-based and bot-free capture, giving individuals and teams flexible ways to capture meeting notes. Fathom provides accurate transcripts, instant summaries, action items, follow-up details, and searchable meeting history. Users can ask questions across meetings, monitor key topics, and turn conversations into next steps for sales, customer success, marketing, and internal teams. Fathom integrates with tools such as Google Meet, Zoom, Microsoft Teams, Gmail, Slack, Salesforce, HubSpot, Notion, Asana, ChatGPT, Claude, Zapier, and public API or MCP workflows. Built for teams and individuals, Fathom helps reduce meeting admin, improve follow-through, and keep important decisions visible. 7,733 Ratings Visit Website StackAI StackAI is an enterprise AI automation platform to build end-to-end internal tools and processes with AI agents in a fully compliant and secure way. Designed for large, regulated organizations, it enables teams to automate complex workflows across operations, compliance, finance, IT, and support without heavy engineering. With StackAI you can: • Connect knowledge bases (SharePoint, Confluence, Notion, Google Drive, databases) with versioning, citations, and access controls • Publish AI agents as chat assistants, advanced forms, or APIs integrated into Slack, Teams, Salesforce, HubSpot, or ServiceNow • Govern usage with enterprise security: SSO (Okta, Azure AD, Google), RBAC, audit logs, PII masking, data residency, and cost controls • Route across OpenAI, Anthropic, Google, or local LLMs with guardrails, evaluations, and testing • Deploy in multi-tenant cloud, dedicated cloud, private cloud, or on-premise 54 Ratings Visit Website MindCloud MindCloud is an enterprise-ready integration platform that connects your tools and automates the workflows between them. Build reliable integrations across CRM, ERP, ecommerce, accounting, marketing, operations, and thousands of other applications—without the traditional engineering overhead. MindCloud gives teams the flexibility to automate simple tasks or orchestrate complex, production-critical business processes. Synchronize data in real time, transform information between systems, eliminate manual entry, and keep operations moving as your business scales. For teams that want expert guidance, MindCloud also provides a dedicated delivery team that can scope, build, launch, and support production workflows. Our solutions engineers turn real business requirements into dependable integrations without requiring customers to dedicate internal engineering resources. MindCloud supports thousands of applications, including Salesforce, HubSpot, NetSuite, QuickBooks, BigCommerce, Shopify, monday.com, ServiceTitan, Acumatica, Amazon, eBay, Airtable, Google Sheets, and many more. Connect to anything. Automate everything. 83 Ratings Visit Website Introw PRM Introw is a next-generation PRM platform designed to help B2B companies launch partner portals directly on top of their existing CRM systems, including HubSpot and Salesforce. It is built for speed, ease of use, and automation, enabling organizations to streamline partner engagement without lengthy implementation processes. Introw provides key capabilities such as: ✔ CRM-integrated lead & deal sharing flows with AI-driven channel conflict resolution ✔ Content enablement and tracking ✔ AI-powered support agent for partner assistance ✔ AI-enabled learning management system (LMS) ✔ Off-portal engagement via smart nudges through email and Slack Introw focuses on meeting partners where they already work, ensuring high adoption and efficient collaboration. The platform is designed to simplify partner management while maintaining a seamless connection to core CRM data. Other integrations: Slack, Crossbeam, PowerBI. 44 Ratings Visit Website Aircall Aircall is an AI-powered customer communications and intelligence platform that unifies phone, messaging, and call center operations. Designed for sales and support teams, it enhances every interaction with features like AI Voice Agents, real-time conversation coaching, and integrated WhatsApp messaging. With powerful analytics, call recording, and shared inboxes, teams gain clarity and can resolve customer issues faster. The platform is easy to set up, offering quick number claiming, seamless integrations, and customizable workflows. Trusted by over 23,000 companies worldwide, Aircall helps businesses improve connection rates, boost CSAT scores, and streamline onboarding. By combining automation with human-first AI, Aircall reduces busywork so teams can focus on building better customer relationships. 1,838 Ratings Visit Website Project Insight Project Insight is a strategic project and portfolio management software that gives companies a complete picture of the work happening across their entire organization. Streamline workflows, automate processes, enhance collaboration, and capture project data points from all your teams and systems in one central command center so you can make confident decisions about business. Manage work at the project, program or portfolio levels and integrate with the tools you already use, including Azure DevOps, Jira, Microsoft, Salesforce, and ServiceNow, and HubSpot to eliminate the need to manually key in data across teams. With the most views of any project management platform, teams can keep tabs on assignments, status, risks, resources, capacity, schedules, budgets, and more. Project Insight also offers free view only seats for clients. The power of AI can be used to assign action items after meetings, predict future capacity, balance workloads, & select the right resources. 122 Ratings Visit Website Clazar Clazar is the leading Enterprise Cloud GTM Platform that helps software companies build, operate, and scale their business across AWS, Azure, and Google cloud marketplaces. From listing to co-selling to revenue reconciliation and recognition, our platform helps companies streamline and automate their entire cloud sales journey from a single, unified platform—with zero operational overhead. Clazar is designed for organizations where cloud marketplaces are a strategic go-to-market channel with executive ownership, revenue targets, and cross-functional accountability. It is built for the controls that enterprise organizations require, with RBAC (role-based access control), SSO (single sign-on), multi-factor authentication, audit logging, zero-trust network security, and robust governance tools that give you complete transparency and control. Our platform integrates seamlessly with leading CRMs like Salesforce and HubSpot and complies fully with industry-leading privacy and security standards such as GDPR, SOC 2, ISO 27017, ISO 27018, and ISO 27701. Teams of any size or skill level can hit the ground running with our intuitive UI, smart automation and built-in guardrails. Our transparent pricing scales with you, with no hidden fees or revenue sharing. Over 300 top companies like Supabase, Zapier, Replit, and Perplexity trust Clazar to power their success on cloud marketplaces. 95 Ratings Visit Website Intulse Intulse is a business VoIP provider offering hosted/cloud VoIP services for businesses. Managed VOIP phone systems with speed, flexibility, and more for small & large businesses in the USA. Intulse was founded in 2015 to help businesses that were stuck using old communication systems that only did a little but cost a whole lot find a better solution to meet their needs. Intulse’s VoIP UCaaS (Unified Communication as a Service) solutions are designed to increase productivity through the Intulse App, CRM integration (ex. Salesforce & HubSpot), softphones, time-based routing, virtual receptionists, customized greetings, unlimited extensions, and more. Customers who choose Intulse as their cloud VoIP provider get the power of a feature-rich system that can be customized to best-fit how they do business. Intulse’s communications specialists work closely to help select and implement features to ensure each business gets the most out of their system and service. 140 Ratings Visit Website
About Inbox Spam Filter is a HubSpot-connected SaaS application for teams that handle customer and prospect messages in HubSpot Shared Inbox. It analyzes incoming conversation emails with Google Gemini, assigns configurable spam scores, and displays the scores with AI-generated explanations in an app dashboard. Teams can set a spam threshold, select which shared inboxes to analyze, whitelist domains, and review flagged messages. When enabled, the app can update a HubSpot contact property to mark contacts associated with spam. It is designed for sales, marketing, and support teams seeking to reduce manual review of junk pitches, unwanted messages, and other spam while keeping relevant conversations accessible in their HubSpot workflow. Use requires a connected HubSpot account; message text used for scoring may be sent to Google Gemini for evaluation.	About ZeroBounce is an email verification, scoring and deliverability platform helping businesses improve their inbox placement. The service detects email typos, nonexistent and abusive email accounts, spam traps and other risky email addresses. ZeroBounce also provides an email scoring service and a suite of deliverability tools to further enhance email inbox placement. The company operates a military-grade security infrastructure, ensuring customer data is protected at the highest levels. With more than 23 billion emails validated to date, ZeroBounce serves 400,000+ businesses in 190+ countries and adds up to 200 new clients every day. Companies using email lists validated by ZeroBounce report a 99%+ accuracy rate and maintain a good sending reputation. In 2019, ZeroBounce took no. 851 on the Inc. 5000 list of the fastest-growing private companies in the United States. In 2020, ZeroBounce rose to no. 40 on the list. In 2021, ZeroBounce was number 9 on the Inc. 5000 Regionals list.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Supported iPad Supported Android Not Supported Chromebook Not Supported
Audience Sales, marketing, and support teams that use HubSpot Shared Inbox to handle customer or prospect messages and want to reduce manual review of spam and unwanted pitches.	Audience Global Markets
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported	Support Phone Support Not Supported 24/7 Live Support Supported Online Supported
API Offers API Not Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $25/month Starter is free for up to 500 emails per month. Basic costs $25/month for 1,001–5,000 emails per month; Pro costs $50/month for 5,001–20,000 emails per month. Free Version Supported Free Trial Not Supported	Pricing $18 - 2000 Validation Credits • $40 for 5000 email validations • $75 for 10,000 validation credits • $875 for 250,000 email validations, and up. • Enterprise accounts also available. Free Version Supported Free Trial Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 4.9 / 5 ease 4.9 / 5 features 4.8 / 5 design 4.8 / 5 support 4.9 / 5 Read all reviews
	Pros & Cons from Real Users Pros When I got stuck, the chat team was right there to bring me back to reality and even credited the second submission of my validating list. The chat support is excellent. I had questions and was able to get them answered fast. Plus the live chat rep offered me a discount on my initial purchase. Worked great! Quick support team. Helpful policies. Just started using this tool for my consultancy; apart from this I have been using this in my past organization for more that a year. Since I use ZeroBounce, I get a better inbox rate because I am sending only to valid email addresses and ZeroBounce are excellent to get the best verification. The necessity for email validation has never become so apparent in keeping IP and Domain reputations in good standing. Reducing or down right eliminating the amount of bounced email goes a long way in ensuring that the sender isn't looked negatively upon by email ISPs. The fact that Zero Bounce offers an API, makes it much more streamlined for the likes of automated email campaign generation, and email list sanitation programs we use on a daily basis. Cons A couple of features weren't so easy to figure out. But I guess I should have read the instructions through a second time. Nothing to note here. I have not started actually using the service yet. Know that my review is mainly about the buying and signup process. Catch-all status is kind of road blocking. Grey listed status- it defines verified and invalid on Excel sheet but not with single email address validator. Sometimes it is lagging but not big deal they resolve issues very quickly. So far, not many negatives to speak on. Would prefer to use the API instead of the bulk email upload tool on the website.
Training Documentation Not Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Not Supported
Company Information InfoHub Works United Kingdom inboxspamfilter.com	Company Information ZeroBounce Founded: 2015 United States www.zerobounce.net/
Alternatives Bot Butcher	Alternatives Bouncer
Niswey WhatsApp HubSpot Automation Niswey	GlockApps
Spam Arrest	Reoon Email Verifier Reoon Technology
MailCleaner	VeriMails
CleanTalk View All	Sealch Sealch Pro View All
Categories Anti-Spam Supported	Categories Anti-Spam Supported Email Deliverability Supported Email Tracking Supported Email Verification Supported Lead Intelligence Supported
	Anti-Spam Features Allow / Block List Supported Audit Log Not Supported Email Archiving Not Supported Email Recovery Not Supported Email Routing Supported Encryption Supported Fraud Detection Not Supported Quarantine Not Supported Reporting & Statistics Supported Spam Filter Not Supported Show More Features Email Deliverability Features Deliverability Alerts Not Supported Deliverability Reporting Not Supported DMARC Analytics Supported Email Address Verification Supported Email Content Testing Not Supported Email Previewing Not Supported Inbox Placement Testing Supported IP Blacklist Monitoring Supported Reputation Reporting Not Supported Email Tracking Features A/B Testing Not Supported Audience Segmentation Not Supported Campaign Management Supported Event-Based Notifications Not Supported Location Tracking Not Supported Team Management Not Supported Email Verification Features Bulk Email Verification Supported Catch-all Server Detection Supported Disposable Email Detection Supported Domain Check Supported Mail Server Validation Supported Single Email Verification Supported Spam Trap Detection Supported Syntax Check Supported
Integrations HubSpot CRM Supported Adobe Marketo Engage Not Supported Agolix by Assessment Generator Not Supported Groundhogg Not Supported HubSpot Customer Platform Not Supported InvoiceBerry Not Supported Jotform Not Supported Klenty Not Supported Leo Not Supported Mailbird Not Supported Mailchimp Not Supported Mailjet Not Supported Microsoft Edge Not Supported QuickMail Not Supported Quickwork Not Supported Shopify Not Supported Swan Retail System Not Supported Unbounce Not Supported WordPress Not Supported ZagoMail Not Supported Show More Integrations View All 1 Integration	Integrations HubSpot CRM Supported Adobe Marketo Engage Supported Agolix by Assessment Generator Supported Groundhogg Supported HubSpot Customer Platform Supported InvoiceBerry Supported Jotform Supported Klenty Supported Leo Supported Mailbird Supported Mailchimp Supported Mailjet Supported Microsoft Edge Supported QuickMail Supported Quickwork Supported Shopify Supported Swan Retail System Supported Unbounce Supported WordPress Supported ZagoMail Supported Show More Integrations View All 61 Integrations
Claim Inbox Spam Filter and update features and information Claim Inbox Spam Filter and update features and information	Claim ZeroBounce and update features and information Claim ZeroBounce and update features and information