The verdict
On the data we hold, it's close: neither pulls ahead on features, a free plan or AI access. The choice comes down to how you work.
What the data says
- Both have a free plan, so you can try each before you pay.
- Both have an API and an MCP server, so either works with AI employees.
- In our Tech stack ranking, Gmail places 22 and RudderStack 6 of 72.
Side by side
| At a glance | ||
|---|---|---|
| Starts at | €6.80/mo | $265/mo |
| Free plan | Yes | Yes |
| API | Yes | Yes |
| MCP server | Yes | Yes |
| Links |
Plans and pricing
Gmail
- Free (personal Gmail)Free with a personal Google account.Free
- Google Workspace StarterGmail with your own domain, 30 GB per user; the Workspace business plan.€6.80/mo/seat
- Google Workspace Standard2 TB per user.€13.60/mo/seat
- Google Workspace Plus5 TB per user.€21.10/mo/seat
RudderStack
- FreeFree forever for 250K events per month, 16 SDK sources, 200+ cloud destinations, reverse ETL.Free
- GrowthFrom $265 per month for 1 million events; pricing rises with volume and annual billing saves 15%.$265/mo
Prices as the vendors list them. They change often; the final price is on their sites.
Who each is for
Choose Gmail if…
Solo founders and small B2B teams on Google Workspace who want reliable business email on their own domain, sitting next to Calendar, Drive and Docs.
Choose RudderStack if…
Data and engineering teams that want to collect first-party event data from sites, apps and servers, keep it in their own warehouse and send it to marketing and analytics tools.
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