kynetradb
One Rust binary: BM25 search + vector + KV + document + auth + files + realtime + agentic admin.
vs
Convex
Reactive backend-as-a-service: TypeScript server functions, document store, real-time queries.
Feature comparison
| Dimension | kynetradb | Convex |
|---|---|---|
| Full-text search | BM25 — reference catalogue | None |
| Vector search | Brute-force cosine evaluationConvex uses HNSW which scales better past ~100k vectors | HNSW |
| Auth | Preview scope | External |
| Row-Level Security | Preview scope | No |
| File storage | Preview scope | Built-in |
| Realtime | Preview scope | WebSocket |
| Edge Functions | Preview scope | Yes |
| TypeScript SDK | Preview scope | Yes |
| KV lookups | Preview scope | No |
| Document filter | Preview scope | Yes |
| LLM runtime | Preview scope | No |
| Outbound DB sync | Preview scope | No |
| Self-host | Preview scope | No (managed only) |
| Single binary | Preview scope | No |
| License | Preview terms — request a scoped evaluation | SaaS-only |
| Deploy targets | 19 target profiles | 0 listed target profiles |
| Free tier | Preview access by request | yes — generous free tier |
When to pick Convex
Best-in-class reactivity model for TypeScript. If you want end-to-end type safety from DB to UI with zero boilerplate, Convex is hard to beat.
- You want end-to-end TypeScript type safety from DB to UI with zero boilerplate.
- Your team is already invested in Convex's SDK and ecosystem.
When to pick kynetradb
- You want a comparison-led conversation about BM25 full-text, vector evaluation, and data-plane trade-offs.
- You need a product-specific implementation scope rather than a generic migration claim.
- You want to assess 19 hosting target profiles, including 5 Indian providers.
- You want a scoped preview conversation about the data, deployment, and operating boundary.
- You need to run on your own infra — Convex is managed-only.
- You want a single binary with no runtime dependencies — no container fleet to operate.
Create a record — both APIs side by side
Insert a product record. These are documentation-accurate shapes, not runnable end-to-end examples.
kynetradb
// kynetradb — @kynetra/client TypeScript SDK
import { createClient } from '@kynetra/client'
const kdb = createClient('https://your.host', PUBLISHABLE_KEY)
const { data, error } = await kdb
.from('products')
.insert({ title: 'Aurora Espresso', vendor: 'Aurora', price: 2200 })
.select()Convex
// Convex — TypeScript mutation
export const createProduct = mutation({
args: { title: v.string(), vendor: v.string(), price: v.number() },
handler: async (ctx, args) => {
return ctx.db.insert('products', args);
},
});