# Thunderbird vs eM Client Comparison | | Thunderbird | eM Client | |---|---|---| | **Star Rating** | 4.3 out of 5 | 4.0 out of 5 | | **Total Reviews** | 337 | 61 | | **Largest Market Segment** | Small-Business (64.8% of reviews) | Small-Business (46.4% of reviews) | | **Entry Level Price** | No pricing available | FREE for Individuals | --- ## Top Pros & Cons ### Thunderbird Pros: - Ease of Use (4 reviews) - Functionality Features (4 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 | Thunderbird | eM Client | |---|---|---| | **Meets Requirements** | 8.7 (302 reviews) | 8.5 (48 reviews) | | **Ease of Use** | 8.7 (303 reviews) | 8.8 (50 reviews) | | **Ease of Setup** | 8.8 (73 reviews) | 9.5 (10 reviews) | | **Ease of Admin** | 8.4 (58 reviews) | 8.1 (7 reviews) | | **Quality of Support** | 7.9 (221 reviews) | 7.8 (42 reviews) | | **Has the product been a good partner in doing business?** | 8.1 (41 reviews) | 7.8 (6 reviews) | | **Product Direction (% positive)** | 7.6 (300 reviews) | 9.0 (46 reviews) | --- ## Pricing ### 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 | |---|---|---| | **Thunderbird** | 8.6/10 | 121 | | **eM Client** | 8.5/10 | 23 | #### Inbox Tools | Feature | Thunderbird | eM Client | |---|---|---| | **Unified Inbox** | 8.9 (103 reviews) | 8.5 (20 reviews) | | **Filters** | 8.9 (109 reviews) | 8.8 (21 reviews) | | **Reminders** | 8.5 (96 reviews) | 8.3 (20 reviews) | | **Notifications** | 8.7 (104 reviews) | 8.3 (20 reviews) | #### Coordination Tools | Feature | Thunderbird | eM Client | |---|---|---| | **Calendar** | 8.4 (92 reviews) | 8.8 (22 reviews) | | **Contacts** | 8.6 (100 reviews) | 8.3 (21 reviews) | | **Task Management** | 8.4 (88 reviews) | 8.3 (17 reviews) | #### Software Options | Feature | Thunderbird | eM Client | |---|---|---| | **Desktop Application** | 9.2 (110 reviews) | 8.9 (22 reviews) | | **Mobile Application** | 7.5 (63 reviews) | Feature Not Available | #### Email Client - Agentic AI | Feature | Thunderbird | eM Client | |---|---|---| | **Autonomous Task Execution** | Not enough data | Not enough data | | **Cross-system Integration** | Not enough data | Not enough data | ### Email Management | Product | Score | Reviews | |---|---|---| | **Thunderbird** | 8.9/10 | 9 | | **eM Client** | N/A | N/A | #### Sorting & Filtering | Feature | Thunderbird | eM Client | |---|---|---| | **Attachment Search** | 9.2 (6 reviews) | Not enough data | | **Tags** | 10.0 (7 reviews) | Not enough data | | **AI Sorting** | 8.0 (5 reviews) | Not enough data | | **Predefined Rules** | 9.2 (6 reviews) | Not enough data | #### Integrations | Feature | Thunderbird | eM Client | |---|---|---| | **Microsoft Outlook Integration** | 8.3 (6 reviews) | Not enough data | | **Gmail Integration** | 9.0 (7 reviews) | Not enough data | | **Apple Calendar Integration** | 8.1 (6 reviews) | Not enough data | #### Time Management | Feature | Thunderbird | eM Client | |---|---|---| | **Unified Inbox** | 9.4 (6 reviews) | Not enough data | | **Email Automation** | 8.8 (7 reviews) | Not enough data | | **Snooze** | 9.0 (5 reviews) | Not enough data | #### Generative AI | Feature | Thunderbird | eM Client | |---|---|---| | **AI Text Generation** | Not enough data | Not enough data | | **AI Text-to-Speech** | Not enough data | Not enough data | | **AI Text Summarization** | Not enough data | Not enough data | #### Agentic AI - Email Management | Feature | Thunderbird | eM Client | |---|---|---| | **Autonomous Task Execution** | Not enough data | Not enough data | | **Cross-system Integration** | Not enough data | Not enough data | --- ## Categories **Shared Categories (1):** [Email Client Software](https://www.g2.com/categories/email-client) **Unique to Thunderbird (1):** [Email Management Software](https://www.g2.com/categories/email-management) --- ## Reviewer Demographics ### By Company Size | Segment | Thunderbird | eM Client | |---|---|---| | **Small-Business** | 64.8% | 46.4% | | **Mid-Market** | 24.5% | 35.7% | | **Enterprise** | 10.6% | 17.9% | ### By Industry #### Thunderbird - **Information Technology and Services:** 12.7% - **Computer Software:** 11.8% - **Internet:** 6.7% - **Marketing and Advertising:** 5.2% - **Telecommunications:** 3.0% - **Higher Education:** 2.7% - **Consumer Goods:** 2.4% - **Design:** 2.4% - **Education Management:** 2.1% - **Renewables & Environment:** 2.1% - **Other:** 48.8% #### 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 Thunderbird - [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2460 reviews) - [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews) - [Mailbird](https://www.g2.com/products/mailbird/reviews) — 3.6/5 stars (101 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 (3461 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 (1232 reviews) ### Alternatives to eM Client - [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3461 reviews) - [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews) - [Mailbird](https://www.g2.com/products/mailbird/reviews) — 3.6/5 stars (101 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 (2460 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 (1232 reviews) - [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56339 reviews) --- ## Top Discussions ### 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/thunderbird-vs-em-client)