Choose Convex if you need
- Integration with Stripe, Resend or Twilio. We haven't found them on MongoDB Atlas's website.
- SOC 2, GDPR or HIPAA. We haven't found them on MongoDB Atlas's website.
At a glance
- Both have a free plan.
- Convex's lowest paid plan is Professional at $25 per developer per month, as of October 20, 2026.
- MongoDB Atlas's lowest paid plan is Dedicated at $0.08 per hour for M10, from $56, as of October 19, 2026.
- Both are available on CLI and API.
- They list no integrations in common.
- Both list SSO.
- Only Convex lists SOC 2, GDPR and HIPAA.
- Both have a public API.
- Convex can be self-hosted. We haven't confirmed that for MongoDB Atlas.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose MongoDB Atlas if you need
- Integration with AWS, Google Cloud or Azure. We haven't found them on Convex's website.
Convex
Nobody has reviewed Convex yet. Its rating shows once it has 3 reviews.
Review Convex
MongoDB Atlas
Nobody has reviewed MongoDB Atlas yet. Its rating shows once it has 3 reviews.
Review MongoDB AtlasThe facts
- What it does
- ConvexThe reactive backend platform that keeps up with you and your agents
- MongoDB AtlasCloud document database with built-in resilience, scalability and enterprise-grade security
- Free plan
- ConvexYes
- MongoDB AtlasYes
- Pricing
- ConvexPer developer, monthly, plus usage
- MongoDB AtlasNot confirmed
- Paid plans from
What they share
From the platforms and integrations each website lists.
Platforms
Both
- CLI
- API
Only ConvexNothing else listed
Only MongoDB AtlasNothing else listed
Integrations
BothNone in common
Only Convex
- Stripe
- Resend
- Twilio
- WorkOS
- PostHog
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Convex and MongoDB Atlas yet.
Used either of them?
Your review makes this comparison better for the next person. Review Convex or review MongoDB Atlas.