Memberstack vs Microsoft Outlook

Two Tech stack tools side by side: what each does, what it costs and who it suits.

The verdict Side by side Plans and pricing Who each is for Other options

The verdict

On the data we hold, Microsoft Outlook comes out ahead. Here is why, point by point.

What the data says

Only Microsoft Outlook has a free plan to start on.
Microsoft Outlook starts lower, at $1.67/mo against $25/mo.
Both have an API and an MCP server, so either works with AI employees.
In our Tech stack ranking, Microsoft Outlook places 29 and Memberstack 56 of 72.

Side by side

Memberstack and Microsoft Outlook compared
At a glance	Memberstack	Microsoft Outlook
Starts at	$25/mo	$1.67/mo
Free plan	No	Yes
API	Yes	Yes
MCP server	Yes	Yes
Links	Visit	Visit

Plans and pricing

Memberstack

BasicUp to 1,000 members with a 4 percent transaction fee. Annual shown as 25 per month.$29/mo
ProfessionalUp to 5,000 members with a 2 percent transaction fee. Annual shown as 39 per month.$49/mo
Business10,000 or more members with a 0.9 percent transaction fee. Annual shown as 79 per month.$99/mo
Established10,000 or more members with no transaction fee. Annual shown as 399 per month.$499/mo

Microsoft Outlook

Outlook (free)Free account for one person with 15 GB mailbox storage.Free
Microsoft 365 BasicAd-free Outlook for one person with 100 GB mailbox storage.$19.99/yr
Microsoft 365 PersonalFor one person, with desktop apps and Copilot features.$99.99/yr
Microsoft 365 FamilyFor one to six people, with desktop apps and Copilot features.$129.99/yr
Microsoft 365 Business BasicWeb and mobile Outlook with custom business email, paid yearly.$84/yr/seat
Microsoft 365 Business Standard with CopilotDesktop apps with Copilot built in, paid yearly.$282/yr/seat
Microsoft 365 Business Premium with CopilotAdds advanced security and device management, with Copilot built in, paid yearly.$384/yr/seat

Prices as the vendors list them. They change often; the final price is on their sites.

Who each is for

Choose Memberstack if…

No-code builders, freelancers and small teams who need logins, paid plans and members-only pages on a Webflow, WordPress or custom site without building a backend.

Visit Read the review

Choose Microsoft Outlook if…

Businesses and teams that work in Microsoft 365 and want email, calendar and contacts in the same place as Teams, Word and Excel.

Visit Read the review

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