Which is cheaper, MongoDB Atlas or MotherDuck?

MongoDB Atlas is 27.8x cheaper than MotherDuck. MongoDB Atlas starts at $0/mo, MotherDuck starts at $0/mo.

Does MongoDB Atlas have a free tier?

Yes, MongoDB Atlas offers a free tier with storageMB: 512.

MongoDB Atlas has significant switching cost. MotherDuck has moderate switching cost. MotherDuck is easier to switch away from.

Database

MongoDB Atlas

← More affordable

Fully managed cloud database service for MongoDB with automated scaling, backups, and multi-cloud deployment

Switching Cost: significant

MotherDuck

Serverless analytics platform built on DuckDB with hybrid local/cloud execution

Switching Cost: moderate

The cost difference is substantial — MotherDuck runs about 27.8x what MongoDB Atlas charges.

Cost modeling varies: flat-rate drives MongoDB Atlas pricing, while MotherDuck uses usage-based.

If budget is your primary constraint, MongoDB Atlas is the clear winner with its more wallet-friendly pricing structure.

If budget is your primary constraint, MongoDB Atlas is the clear winner with its more wallet-friendly pricing structure.

Price Difference

27.8x

MongoDB Atlas is cheaper by $241/mo

Pricing Model

Different

Tools charge using different pricing philosophies

Switching Costs

MotherDuck

Lower switching costs for easier migration