Extra Thursday vs. Inbox Zapper Comparison Chart

Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.

anny is an all-in-one platform for managing hybrid workplaces and shared resources. Enable your employees to easily book desks, meeting rooms, parking spots, equipment, and more – all in one place. With flexible rules and group permissions, you stay in full control of who can access what. Key Features: ✨ anny AI: Simply say what you need in the chat, for example, “Book my favorite desk for Thursday.” The AI checks availability in real time and immediately creates a booking. 🗺️ 3D Interactive Office Map: Visual, intuitive floor plans to make booking engaging. 🗓️ Weekly Planner: See when teammates are onsite and plan your office days smarter. 🧍 Visitor Management: Streamlined guest check-in with e-signatures and instant host notifications. 🌐 Integrations: Microsoft 365, Google Workspace, and more for a connect 📞 Dedicated Support: Responsive, personal support that helps you succeed. 🔒 Enterprise-Grade Security: Fully compliant with international data privacy standards.

WiseStamp is an award-winning, enterprise-grade email signature management solution designed to scale with the needs of market-leading organizations. Trusted by over 1.2 million customers worldwide, WiseStamp enables businesses to centrally create, manage, and deploy professional, on-brand email signatures effortlessly. WiseStamp turns every email into a powerful brand asset, enabling enterprises to maintain brand consistency, enhance engagement, and drive business impact at scale. WiseStamp also works seamlessly with all email platforms - no coding needed! Turn every email into an opportunity. Make it count.

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.

BrandMail®, developed by BrandQuantum, is a software solution that seamlessly integrates with Microsoft Outlook to empower every employee in the organization to automatically create consistently branded emails via a single toolbar that provides access to brand standards and the latest pre-approved content. Develop email signatures in line with your brand specifications which look consistent, no matter which device or platform they are viewed on. Your signatures are tamper-proof and centrally managed. More importantly, users see their signatures, banners and surveys when they create, reply or forward emails. BrandMail does not reroute your emails via any external servers and does not append rules to your exchange environment. It works directly within Microsoft Outlook. Leverage every email as an opportunity to brand consistently and minimize the security risks associated with the tampering of HTML signatures.

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.

CloudFiler is an email filing and search tool that works in both New and Classic Outlook on all platforms including Android phones & tablets, iPhones, iPads, all popular browsers, Macs and ARM based devices. It was created using up-to-date development technologies by the original architect of the Oasys email management system previously owned by Arup and the Excitech Mail system owned by Symetri. File to: the cloud, Windows folders, SharePoint, OneDrive, Egnyte, Autodesk Forma, Bentley ProjectWise, etc. Built to work with Exchange on-line and Microsoft 365 it provides a fast and reliable email filing and search service via whatever device you happen to be using at the time. CloudFiler is based on Microsoft's new web Add-in technology.

EasyDMARC is a B2B SaaS solution that makes email authentication simple for small, medium, and enterprise businesses. In short, we secure domain and email infrastructure, protecting you and your business from phishing (email spoofing) attacks and increasing email deliverability. EasyDMARC’s deliverability tool, EasySender, covers all the aspects of email deliverability. The variety of features on the platform cover email list verification, mailbox warmup, and inbox placement. With EasyDMARC, you can achieve the following: -Visibility to the business email environment -Business identity control -Operations and communication security -Email deliverability With offices in the US, Netherlands, and Armenia, the company delivers the most comprehensive products for anyone who strives to build the best possible defence for their email ecosystem. EasyDMARC ultimately provides peace

InfoBox is a corporate communication platform designed to reduce information overload and eliminate silos in modern organizations. Rather than relying on traditional, cluttered intranets or lost emails, InfoBox ensures every team member—from office staff to frontline and deskless workers—receives targeted, essential updates in real time. InfoBox is a targeted content delivery platform and mobile communication channel designed to improve internal communications across your entire organization and bridge the gap with frontline workers. By cutting through email clutter and replacing outdated intranets, InfoBox delivers relevant company news, announcements, and resources directly to deskbound and frontline employees via mobile apps and web apps. Key Features & Capabilities: 1. Targeted Content Delivery: Group and segment audiences by department, role, location, or organization unit so employees only receive relevant announcements. 2. Multi-Channel Visualization: Access information where work happens—via a vertical-scrolling feed in the native iOS and Android apps, the web application (`infobox.info`), or embedded directly within Google Workspace / Gmail. 3. Code-Free Content Creation: Empower non-technical publishers and HR teams to design visual, card-style updates, policy hubs, and company notices without needing IT or design expertise. 4. Frontline & External Reach: Support for multi-provider authentication (Google Workspace, Microsoft 365, Yahoo, or personal email accounts), enabling contractors, frontline staff, and external partners to stay informed without requiring additional domain licenses. 5. Centralized Knowledge Hub & Search: Search archived or current company resources, SOPs, FAQs, and policy documents quickly across all devices. 6. Delivery Tracking & Analytics: Monitor how users interact with published updates and track search behavior to optimize team engagement. Why Choose InfoBox? *Eliminate Inbox Clutter: Replace long email chains with structured, visual announcements. *Solve the information overload problem: Publish only relevant information for each employee. *Unify Distributed Workforces: Bridge the operational gap between corporate management, remote teams, and field/frontline workers. *Fast Adoption & Seamless Experience: A consistent, familiar vertical feed interface ensures immediate usability across all screen sizes.

Letsignit is a centralized email signature management platform for organizations of all sizes. Create, assign, and manage signatures for all employees, standardize formats company-wide, and reduce manual requests with updates driven by directory data such as Active Directory. Designed for Microsoft 365 and Exchange environments and compatible with common email clients, it supports brand consistency and compliance while giving Marketing and Comms controlled access to run targeted banner campaigns. Hosted on Microsoft Azure and certified ISO 27001 and ISO 27018, Letsignit meets enterprise security requirements and keeps signature management simple at scale.