# InstantDB

23 Hacker News commenters recommended InstantDB and 10 criticized it, November 2025 to November 2026. It was recommended in 6 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Developers recommend it as an open source backend with real-time queries, sync and offline support. Caveat: last-write-wins conflicts and early-stage maturity.

## Why people recommend it

- Sync, real-time and offline out of the box (4 comments): "Instant provides a nicer abstraction for working with agents and getting deligthful experiences like a sync engine out of the box" ([source](https://news.ycombinator.com/item?id=48069196)) "They actually deliver on the promise of "relational queries && real-time," which is no small feat." ([source](https://news.ycombinator.com/item?id=47711084)) "you get real-time queries, offline mode, and optimistic updates out of the box" ([source](https://news.ycombinator.com/item?id=47712467))
- Open source and easy to self-host (3 comments): "We're 100% open source and have instructions for getting the server up and running via docker" ([source](https://news.ycombinator.com/item?id=47719146)) "The product is full open source, and we put a lot of work in making it easy to self-host." ([source](https://news.ycombinator.com/item?id=49397004)) "Instant is 100% open source!" ([source](https://news.ycombinator.com/item?id=47711136))
- Easy API and good developer experience (2 comments): "We indexed on making the API easy to understand so projects built with Instant are easy to maintain." ([source](https://news.ycombinator.com/item?id=47720073)) "it was really easy to add that feature. Great dev experience" ([source](https://news.ycombinator.com/item?id=47713187))
- Agents and LLMs find it easy (2 comments): "Instant gives you these out of the box, and the agents find it easier to write than CRUD code" ([source](https://news.ycombinator.com/item?id=47711803)) "We've been around long enough that the LLMs already natively know how to use us!" ([source](https://news.ycombinator.com/item?id=47719937))

## What people warn about

- Vendor lock-in concerns (2 comments): "would you want to vendor lock into some proprietary technology rather than build with tried and tested open source components?" ([source](https://news.ycombinator.com/item?id=47711118)) "the amount of lock-in or DSL was not my cup of tea" ([source](https://news.ycombinator.com/item?id=48444121))

## Alternatives hackers recommend

- [PocketBase](https://hackerapproved.com/p/pocketbase.md): 67 recommend
- [PostgREST](https://hackerapproved.com/p/postgrest.md): 12 recommend
- [Sheet Ninja](https://hackerapproved.com/p/sheet-ninja.md): 11 recommend
- [Hasura](https://hackerapproved.com/p/hasura.md): 7 recommend
- [PostGraphile](https://hackerapproved.com/p/postgraphile.md): 6 recommend

## Where to get it

- [Visit the official site](https://www.instantdb.com/)

## Cite as

Hacker Approved, "InstantDB", https://hackerapproved.com/p/instant/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).