Which is cheaper, Aiven or Convex?

Aiven is 5.0x cheaper than Convex. Aiven starts at $0/mo, Convex starts at $0/mo.

Does Aiven have a free tier?

Yes, Aiven offers a free tier with storageMB: 1024, nodes: 1, ramGB: 1.

Aiven has moderate switching cost. Convex has significant switching cost. Aiven is easier to switch away from.

Database

Aiven

← More affordable

Managed open source data infrastructure (PostgreSQL, MySQL, Redis, Kafka, etc.)

Switching Cost: moderate

Convex

Reactive backend platform with real-time sync, server functions, and integrated database

Switching Cost: significant

You're paying a premium for Convex — expect around a 5.0x higher bill compared to Aiven.

Their pricing models diverge: Aiven uses flat-rate, while Convex operates on a per-seat basis.

Price-conscious teams should choose Aiven — the cost advantage is hard to ignore, especially for growing workloads.

Price-conscious teams should choose Aiven — the cost advantage is hard to ignore, especially for growing workloads.

Price Difference

5.0x

Aiven is cheaper by $20/mo

Pricing Model

Different

Tools charge using different pricing philosophies

Switching Costs

Aiven

Lower switching costs for easier migration