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MsgViewer VS InboxAgent

Compare MsgViewer VS InboxAgent and see what are their differences

MsgViewer

MsgViewer is an email view tool for email messages, capable of doing work on multiple platforms like Mac, Windows, and Linux.

Rating
0 reviews
Alternatives Is it good?
InboxAgent

InboxAgent uses AI to read your shared mailboxes, like info@ and sales@, plus everyone's own inbox, on Microsoft 365, Gmail, Zoho Mail or IMAP. It finds the sales leads and gives each an owner on a board. Never sends from your mailbox.

Rating
5.0 · 1 review
Pricing
Paid Free trial $20 / Monthly
Alternatives Is it good?
HIVLY.APP
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Which is more popular?

Email Management popularity
100% vs 0%
alternatives listed
16 vs 10

Base details

Website, pricing, platforms and company facts side by side.

MsgViewer
InboxAgent
Website github.com goinboxagent.com
Pricing —
Paid Free trial $20 / Monthly Official pricing
Platforms —
GMail M365 Zoho Hubspot +1
Listed in
Email Management Email Automation Anti-Spam File Management +1
Email Productivity Team Inbox Lead Management Small Business CRM Productivity Sales Email Management Leads +5

About MsgViewer and InboxAgent

In their own words, as submitted to SaaSHub.

MsgViewer
InboxAgent

No description of MsgViewer yet.

Leads arrive at info@, at sales@, and in each salesperson's own inbox, mixed in with client questions, invoices and noise. On a busy day some are never answered, and you are the one answerable when a real lead goes quiet. InboxAgent watches the mailboxes you already have, on Microsoft 365, Gmail,...

Read more about InboxAgent

Features and specs

What each product offers, as listed by its team.

MsgViewer 5 features
InboxAgent 11 features
  • Open Source
    MsgViewer is open source, which allows for community contributions and transparency in code, fostering trust and constant improvement.
  • Cross-Platform
    The application is designed to work on multiple operating systems, which enhances its versatility and usability across different user environments.
  • Lightweight
    MsgViewer is a lightweight application that does not demand extensive system resources, making it suitable for users with limited hardware capacity.
  • User-Friendly Interface
    It provides an intuitive user interface that simplifies the process of viewing MSG files, making it accessible even to users with limited technical expertise.
  • Support for MSG Files
    MsgViewer specifically supports MSG file formats, catering to users who need to view email messages saved in this format without needing Microsoft Outlook.

Possible disadvantages

  • Limited Functionality
    The tool is primarily focused on viewing MSG files and may not offer additional functionalities such as editing or conversion that some users might require.
  • Software Dependencies
    As with many open-source projects, using MsgViewer may require installation of specific dependencies that could be a hurdle for non-technical users.
  • Lack of Advanced Features
    Advanced features, such as batch processing or integration with email clients, are not available, which could limit the tool's appeal to professional users or businesses.
  • Potential Compatibility Issues
    Since MsgViewer is reliant on Java, it may face compatibility issues with certain environments where Java is not properly configured or maintained.
  • Community Support
    Support and updates for open-source projects can vary, and users might experience delays in bug fixes or feature requests.
  • Triage-based inbox system
    Every email is sorted into one of three things: a sales lead, something else that needs a person, or noise. Leads land on a Leads board and everything else on Follow-ups, each with an owner and a stage. Read-only throughout, nothing is moved.
  • AI Classification
    AI works out what each email is once the rules have cleared the obvious noise. Anything it is not confident about is marked Needs review and waits for a person. Your team's corrections stick and become rules and sender signals you can see.
  • Pricing Model
    $20 a month for your whole organization, including the first mailbox. $5 for each additional mailbox. Users are free, no per-seat charge and no overage. 7-day free trial.
  • Noise Filtering
    Newsletters, bulk mail, known marketing senders and auto-replies are caught by rules you control and set aside before the AI is ever called. Every decision is recorded so you can see what was filtered and why.
  • Gmail Integration
    Reads Gmail and Google Workspace mailboxes, shared and individual, read-only and Google-verified. Each person authorizes their own. Nothing is moved and your team keeps working in Gmail.
  • Outlook Integration
    Reads Microsoft 365 mailboxes, including shared mailboxes like info@ and sales@, read-only. Each person authorizes their own. Nothing is moved and your team keeps working in Outlook.
  • zoho crm
    Sales inquiries become leads in your Zoho CRM as they arrive, matched to an existing record where there is one rather than creating a duplicate. Zoho Desk is supported alongside it for service requests.
  • HubSpot Integration
    Sales inquiries flow into HubSpot as contacts and deals, matched against existing records. Works on HubSpot's free tier, so there is nothing extra to buy.
  • IMAP Support
    Connects to any standard IMAP mailbox, not just the major providers. Read-only, with the same Leads and Follow-ups boards as everywhere else. Four mailbox types in total: Microsoft 365, Gmail, Zoho Mail and IMAP.
  • Follow-up Automation
    Anything that needs a person and is not a sales lead is detected and placed on the Follow-ups board with an owner, and stays open until it is marked done. Invoices, renewals, contracts, supplier requests, legal notices. The automation is in the finding and the routing. InboxAgent never sends email on your behalf.
  • Read-Only Access
    Read-only access to every connected mailbox. InboxAgent does not move, migrate, archive or delete anything. Two-factor authentication, role-based per-mailbox access, CASA security assessment completed.

Videos

Walkthroughs and reviews on video.

MsgViewer 1 video + Add
InboxAgent 1 video + Add

Trying out MSGViewer

InboxAgent: never miss a lead in your business inbox

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
MsgViewer
InboxAgent
100% 100%
Email Management
0% 0%
0% 0%
Email Productivity
100% 100%
100% 100%
Email Automation
0% 0%
0% 0%
Productivity
100% 100%

Questions & Answers

As answered by people managing MsgViewer and InboxAgent.

What makes your product unique?

InboxAgent's answer:

It is read-only. InboxAgent reads the mailboxes you already have and never sends mail from them, never moves a message, and never files or deletes anything. Most tools in this category work by forwarding your mail into their own system, after which your own mailbox stops being the record of what arrived. Nothing here changes your mailbox.

For Microsoft 365, Gmail and Zoho Mail that is enforced by those providers rather than promised by us. The permissions we request are read-only, so you can check it on the consent screen before you click Allow.

Why should a person choose your product over its competitors?

InboxAgent's answer:

  • Nothing to migrate and no new app for your team to adopt. They keep working in Outlook or Gmail exactly as before.
  • Priced per organization, not per seat. $20 a month including your first mailbox, $5 for each additional mailbox, unlimited users.
  • It covers shared addresses like info@ and sales@ as well as everyone's own inbox, on Microsoft 365, Gmail, Zoho Mail or any IMAP mailbox.
  • A salesperson can act on a lead without being given the mailbox, which usually also holds bank correspondence and password resets.
  • It works with or without a CRM. If you use Zoho CRM, Zoho Desk or HubSpot, leads flow there as well.

How would you describe the primary audience of your product?

InboxAgent's answer:

Businesses whose sales inquiries arrive by email, at shared addresses like info@ and sales@ as well as in individual inboxes. Typically service businesses that sell by email: agencies, professional services, trades and field service, suppliers and distributors.

It fits particularly well where email is the main source of leads and there is no proper place to manage them. Every lead lands on a board with an owner and the original email attached, moves through stages you name yourself, carries up to ten fields of your own, and can be exported to CSV at any time.

What's the story behind your product?

InboxAgent's answer:

Sales inquiries arrive in the same mailbox as invoices, supplier mail and noise. Everyone can see them and nobody owns them, so on a busy day some are never answered, and the business often finds out only when a customer goes elsewhere.

InboxAgent exists to answer one question about that mailbox: who owns this email, and has anyone actually dealt with it.

Which are the primary technologies used for building your product?

InboxAgent's answer:

.NET on Microsoft Azure App Service. Microsoft Graph, the Gmail API, the Zoho Mail API and IMAP for mailbox access, all with read-only permissions. OpenAI for classification.

User comments

Share your experience with using MsgViewer and InboxAgent. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

MsgViewer no reviews yet
InboxAgent 5.0 · 1 review

We have no reviews of MsgViewer yet. Be the first one to post

  • Sales leads sorted
    SaaSHub review
    · Sep 2026

    My emails are organized now. I dont have to scroll through emails. nice delegate agent I would say.

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