# Mailbird, Thunderbird vs eM Client Comparison | | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Star Rating** | 3.6 out of 5 | 4.3 out of 5 | 4.0 out of 5 | | **Total Reviews** | 101 | 339 | 61 | | **Largest Market Segment** | Small-Business (80.2% of reviews) | Small-Business (65.1% of reviews) | Small-Business (46.4% of reviews) | | **Entry Level Price** | $5.75 Per Month | No pricing available | FREE for Individuals | --- ## Top Pros & Cons ### Mailbird Pros: - Ease of Use (4 reviews) - Setup Ease (3 reviews) Cons: - Bug Issues (3 reviews) - Lack of Integration (3 reviews) ### Thunderbird Pros: - Functionality Features (4 reviews) - Ease of Use (3 reviews) Cons: - Difficult Setup (2 reviews) - Missing Features (2 reviews) ### eM Client Pros: - Ease of Use (2 reviews) - User Interface (2 reviews) Cons: - Lack of Integration (1 reviews) - Missing Features (1 reviews) --- ## Ratings Comparison | Rating | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Meets Requirements** | 7.2 (79 reviews) | 8.7 (304 reviews) | 8.5 (48 reviews) | | **Ease of Use** | 7.7 (79 reviews) | 8.7 (305 reviews) | 8.8 (50 reviews) | | **Ease of Setup** | 8.1 (22 reviews) | 8.8 (75 reviews) | 9.5 (10 reviews) | | **Ease of Admin** | 9.3 (14 reviews) | 8.4 (58 reviews) | 8.1 (7 reviews) | | **Quality of Support** | 6.9 (64 reviews) | 7.9 (222 reviews) | 7.8 (42 reviews) | | **Has the product been a good partner in doing business?** | 7.9 (11 reviews) | 8.1 (41 reviews) | 7.8 (6 reviews) | | **Product Direction (% positive)** | 6.9 (78 reviews) | 7.6 (302 reviews) | 9.0 (46 reviews) | --- ## Pricing ### Mailbird #### Entry-Level Pricing Plan: Mailbird Premium Yearly Price: $5.75 Per Month Description: A yearly subscription that gives you access to both Mailbird for Windows and Mailbird for Mac on up to three devices. This plan includes all future Mailbird updates—both minor and major—because Lifetime Updates are built in by default. Key Features: - Access to Mailbird for Windows and Mailbird for Mac - Lifetime Updates included by default - Manage unlimited email accounts [Browse all 3 editions](https://www.g2.com/products/mailbird/pricing) #### Free Trial Yes ### Thunderbird #### Entry-Level Pricing No pricing available #### Free Trial No information available ### eM Client #### Entry-Level Pricing Plan: eM Client Free License Price: FREE for Individuals Description: Download the Free version of eM Client with limited functionality. Key Features: - Non-commercial use only - Max. 2 email accounts - Email, Calendar and Task management [Browse all 3 editions](https://www.g2.com/products/em-client/pricing) #### Free Trial Yes --- ## Features Comparison By Category ### Email Client | Product | Score | Reviews | |---|---|---| | **Mailbird** | 7.7/10 | 37 | | **Thunderbird** | 8.5/10 | 123 | | **eM Client** | 8.5/10 | 23 | #### Inbox Tools | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Unified Inbox** | 8.6 (33 reviews) | 8.9 (104 reviews) | 8.5 (20 reviews) | | **Filters** | 7.4 (33 reviews) | 8.9 (109 reviews) | 8.8 (21 reviews) | | **Reminders** | 7.6 (30 reviews) | 8.5 (96 reviews) | 8.3 (20 reviews) | | **Notifications** | 7.8 (31 reviews) | 8.7 (104 reviews) | 8.3 (20 reviews) | #### Coordination Tools | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Calendar** | 7.7 (30 reviews) | 8.4 (93 reviews) | 8.8 (22 reviews) | | **Contacts** | 7.6 (33 reviews) | 8.6 (101 reviews) | 8.3 (21 reviews) | | **Task Management** | 7.1 (26 reviews) | 8.4 (89 reviews) | 8.3 (17 reviews) | #### Software Options | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Desktop Application** | 7.4 (35 reviews) | 9.2 (111 reviews) | 8.9 (22 reviews) | | **Mobile Application** | Feature Not Available | 7.6 (64 reviews) | Feature Not Available | #### Email Client - Agentic AI | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | | **Cross-system Integration** | Not enough data | 8.0 (5 reviews) | Not enough data | ### Email Management | Product | Score | Reviews | |---|---|---| | **Mailbird** | 5.8/10 | 13 | | **Thunderbird** | 8.9/10 | 9 | | **eM Client** | N/A | N/A | #### Sorting & Filtering | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Attachment Search** | 5.5 (13 reviews) | 9.2 (6 reviews) | Not enough data | | **Tags** | Feature Not Available | 10.0 (7 reviews) | Not enough data | | **AI Sorting** | Feature Not Available | 8.0 (5 reviews) | Not enough data | | **Predefined Rules** | 4.7 (11 reviews) | 9.2 (6 reviews) | Not enough data | #### Integrations | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Microsoft Outlook Integration** | Feature Not Available | 8.3 (6 reviews) | Not enough data | | **Gmail Integration** | Feature Not Available | 9.0 (7 reviews) | Not enough data | | **Apple Calendar Integration** | Feature Not Available | 8.1 (6 reviews) | Not enough data | #### Time Management | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Unified Inbox** | 6.9 (12 reviews) | 9.4 (6 reviews) | Not enough data | | **Email Automation** | Feature Not Available | 8.8 (7 reviews) | Not enough data | | **Snooze** | 6.1 (11 reviews) | 9.0 (5 reviews) | Not enough data | #### Generative AI | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **AI Text Generation** | Feature Not Available | Not enough data | Not enough data | | **AI Text-to-Speech** | Feature Not Available | Not enough data | Not enough data | | **AI Text Summarization** | Feature Not Available | Not enough data | Not enough data | #### Agentic AI - Email Management | Feature | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | | **Cross-system Integration** | Not enough data | Not enough data | Not enough data | --- ## Categories **Shared Categories (1):** [Email Client Software](https://www.g2.com/categories/email-client) **Unique to Mailbird (1):** [Email Management Software](https://www.g2.com/categories/email-management) **Unique to Thunderbird (1):** [Email Management Software](https://www.g2.com/categories/email-management) --- ## Reviewer Demographics ### By Company Size | Segment | Mailbird | Thunderbird | eM Client | |---|---|---|---| | **Small-Business** | 80.2% | 65.1% | 46.4% | | **Mid-Market** | 16.7% | 24.4% | 35.7% | | **Enterprise** | 3.1% | 10.5% | 17.9% | ### By Industry #### Mailbird - **Information Technology and Services:** 20.8% - **Marketing and Advertising:** 11.5% - **Computer Software:** 9.4% - **Entertainment:** 4.2% - **Computer & Network Security:** 4.2% - **Graphic Design:** 3.1% - **Retail:** 3.1% - **Legal Services:** 2.1% - **Commercial Real Estate:** 2.1% - **Internet:** 2.1% - **Other:** 37.5% #### Thunderbird - **Information Technology and Services:** 13.0% - **Computer Software:** 11.7% - **Internet:** 6.6% - **Marketing and Advertising:** 5.1% - **Telecommunications:** 3.3% - **Higher Education:** 2.7% - **Consumer Goods:** 2.4% - **Design:** 2.4% - **Education Management:** 2.1% - **Renewables & Environment:** 2.1% - **Other:** 48.5% #### eM Client - **Information Technology and Services:** 38.6% - **Computer Software:** 19.3% - **Marketing and Advertising:** 7.0% - **Industrial Automation:** 5.3% - **Retail:** 3.5% - **Writing and Editing:** 3.5% - **Publishing:** 1.8% - **Music:** 1.8% - **Management Consulting:** 1.8% - **Internet:** 1.8% - **Other:** 15.8% --- ## Alternatives ### Alternatives to Mailbird - [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2466 reviews) - [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews) - [BlueMail](https://www.g2.com/products/bluemail/reviews) — 4.3/5 stars (53 reviews) - [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3472 reviews) - [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.5/5 stars (264 reviews) - [Mailspring](https://www.g2.com/products/mailspring/reviews) — 3.8/5 stars (18 reviews) - [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1246 reviews) - [Canary Mail](https://www.g2.com/products/canary-mail/reviews) — 4.5/5 stars (53 reviews) - [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56389 reviews) - [Hiver](https://www.g2.com/products/hiver/reviews) — 4.6/5 stars (1283 reviews) ### Alternatives to Thunderbird - [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2466 reviews) - [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews) - [BlueMail](https://www.g2.com/products/bluemail/reviews) — 4.3/5 stars (53 reviews) - [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3472 reviews) - [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.5/5 stars (264 reviews) - [Zimbra Desktop](https://www.g2.com/products/zimbra-desktop/reviews) — 4.4/5 stars (22 reviews) - [Mailspring](https://www.g2.com/products/mailspring/reviews) — 3.8/5 stars (18 reviews) - [K-9 Mail](https://www.g2.com/products/k-9-mail/reviews) — 4.5/5 stars (13 reviews) - [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1246 reviews) - [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56389 reviews) ### Alternatives to eM Client - [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3472 reviews) - [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews) - [BlueMail](https://www.g2.com/products/bluemail/reviews) — 4.3/5 stars (53 reviews) - [Mailspring](https://www.g2.com/products/mailspring/reviews) — 3.8/5 stars (18 reviews) - [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2466 reviews) - [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.5/5 stars (264 reviews) - [Kiwi for Gmail](https://www.g2.com/products/kiwi-for-gmail-kiwi-for-gmail/reviews) — 4.4/5 stars (58 reviews) - [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1246 reviews) - [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56389 reviews) - [Missive](https://www.g2.com/products/missive/reviews) — 4.7/5 stars (828 reviews) --- ## Top Discussions ### Mailbird - Title: [Is Mailbird really free?](https://www.g2.com/discussions/is-mailbird-really-free) — 2 comments > **Top comment:** "No! Mailbird isn't free, but offers a 14-day free trial. Also, keep in mind that the company is developing another email client - it is called Mailbird Next...." - Title: [Is Mailbird any good?](https://www.g2.com/discussions/is-mailbird-any-good) — 1 comment > **Top comment:** "Bruh it's hella chill." - Title: [Why do my emails get stuck in the outbox?](https://www.g2.com/discussions/why-do-my-emails-get-stuck-in-the-outbox) — 1 comment > **Top comment:** "Mailbird support is horrible - simply right click on the mailbird icon and make sure to select "exit mailbird". Don't just click the X on top to close the..." - Title: [I need a JOB!!!! let me work with you all.](https://www.g2.com/discussions/49856-i-need-a-job-let-me-work-with-you-all) — 1 comment > **Top comment:** "Joseph, I have periodic problems with Thunderbird. I have only two personal email accounts to manage. Is Mailbird my best option for Win 10 or 11? If..." ### Thunderbird - Title: [Has anyone managed to use the copy and paste function from excell?](https://www.g2.com/discussions/12306-has-anyone-managed-to-use-the-copy-and-paste-function-from-excell) — 2 comments, 1 upvote > **Top comment:** "Strange -- when I do it, the columns and rows are maintained (though some of the formatting is not kept). What version are you using? I'm still using..." - Title: [What is the use of Thunderbird software?](https://www.g2.com/discussions/what-is-the-use-of-thunderbird-software) — 1 comment, 1 upvote > **Top comment:** "It allows you to manage multiple emails in a single window without back and forth switching. That's the main use I found. Besides that, it also has a good..." - Title: [Has anyone managed to use the copy and paste function from excell?](https://www.g2.com/discussions/30110-has-anyone-managed-to-use-the-copy-and-paste-function-from-excell) — 1 comment > **Top comment:** "Thunderbird does not recognize Excel’s formatting the way Outlook can. But, it can recognize formatting from Word. Copy paste from Excel to Word, then from..." ### eM Client - Title: [Is eM client any good?](https://www.g2.com/discussions/is-em-client-any-good) — 3 comments > **Top comment:** "emClient is a very solid option as an email client. Easy-to-use and support is decent." - Title: [Is eM client really free?](https://www.g2.com/discussions/is-em-client-really-free) — 2 comments > **Top comment:** "Yea, I use it with two email accounts and it’s free,i think that is the limit though. More accounts is what causes it to charge. I’ve not found any features..." - Title: [What is eM Client used for?](https://www.g2.com/discussions/what-is-em-client-used-for) — 1 comment > **Top comment:** "eM Client is used as a full-featured email and collaboration client to manage emails, calendars, contacts, and tasks in one place. It supports Exchange,..." --- **Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/mailbird-vs-thunderbird-vs-em-client)