
Thunderbird
Microsoft Outlook
Mailbird
Postbox
Apple Mail
Mailspring
Evolution
eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.

Esker
Nanonets
Rossum
Orderhive
EMERGE App
OrderStream
Orderwerks
StackCube turns customer orders from chat, email, text, spreadsheets, and PDFs into clean, approved sales orders, ready for your ERP.

Which is more popular?
Based on our record, eM Client seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | emclient.com | stackcube.io |
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| Platforms | — | |
| Company | — | 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


→ all major services supported (including Gmail, Exchange, iCloud, and Outlook365) → automatic set up for most email services → simple and fast data import from all major email apps (including Microsoft Outlook, Outlook Express, Windows Mail, Thunderbird, Incredimail and more). → touch support...
StackCube is an AI-powered order intake system for B2B suppliers, wholesalers, and distributors. It gathers customer orders from chat, email, text, spreadsheets, PDFs, and order portals in one place. AI prepares item, quantity, and price details, and your staff review and approve each order...
What each product offers, as listed by its team.


Walkthroughs and reviews on video.
eM Client Review - Best email client for Windows!
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using eM Client and StackCube. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


If you have multiple email accounts and want a neat way to organize them, eM Client can be a good option to consider. It has a few unique features, such as the Sidebar view, which can help provide context and improve...
One point in eM Client’s favor is its free version. However, its features are pretty limited. For example, you can only use it with two email addresses, and the only customer support option is the user forum.
EM Client is a strong competitor of Outlook that has a easy-to-use interface. This application helps you to manage email, calendar, contacts, and tasks. It can be used for Windows and Mac.
We have no reviews of StackCube yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Also, if you're also trying to use Xtra email in Microsoft Outlook, also expect problems. Outlook is also crap. There are other email application options. Em Client (emclient.com) is an excellent alternative to Outlook. Source: about 3 years ago
Totally agree on the security risk. On the other hand setting up, maintaining and explaining PGP for non-technical users usually leads to not using encryption at all, which is by far less secure than a self-managed PGP gateway on a... Source: over 4 years ago
I use EmClient for my email/calendar on Windows desktop. Source: over 4 years ago
Tracking StackCube since Oct 2026.
When comparing eM Client and StackCube, you can also consider the following products.

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
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Esker's document automation & order management software solutions help your business cut costs and increase efficiencies. Learn more today!
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Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Compare Microsoft Outlook to eM Client or StackCube:

Worlds best image recognition, object detection and OCR APIs. NanoNets’ platform makes it straightforward and fast to create highly accurate Deep Learning models.
Compare Nanonets to eM Client or StackCube:

Mailbird is the best email client for Windows 7, 8 and 10
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Rossum is AI-powered, cloud-based invoice data capture service that speeds up invoice processing 6x, with up to 98% accuracy. It can be easily customized, integrated and scaled according to your company needs.
Compare Rossum to eM Client or StackCube: