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Free alternatives to AppSheet

AppSheet costs $10/mo on the Core plan, or $120 a year. Here are 5 free and open-source options, what each one does, and what you give up compared with paying.

Prices checked Aug 14, 2026Can AI replace it? Half-bot

01At a glance

AlternativeTypeWhere it runsWorks on
Baserow FreeFreeHosted for youWeb
BudibaseOpen sourceYou host itWeb, Your server
Joget Community EditionOpen sourceYou host itWeb, Mac, Windows, Linux, Your server
NocoBaseOpen sourceYou host itWeb, Your server
REI3Open sourceYou host itWeb, Windows, Linux, iPhone, Android, Your server

02Each alternative, in detail

Baserow FreeFree

Tables become forms, pages, views, automations, and a small role-aware app without writing code.

Versus paying: It cannot match AppSheet's native mobile and offline app experience or its spreadsheet-style expression engine, so field workflows are much less capable.

Setup: Hosted signup

baserow.io →
BudibaseOpen source

Internal apps, forms, automations, and portals in one box; much closer to Knack than its developer branding suggests.

Versus paying: It is built mainly for responsive internal web apps, not AppSheet's installable mobile apps with offline field use and spreadsheet-driven rules.

Setup: Docker image or Docker Compose; Kubernetes is also supported

Watch for: Requires Docker and persistent storage; production use also means owning upgrades, TLS, backups, and database/network access

27,902 GitHub stars (checked Aug 6, 2026)

budibase.com →
Joget Community EditionOpen source

Forms, lists, workflows, and role-aware apps from a product old enough to have survived several no-code fashions.

Versus paying: It turns a quick table-to-app job into administration of a Java workflow platform and still lacks AppSheet's polished offline mobile client.

Setup: Download the Community Edition bundle or deploy its Docker image/on-premises package

Watch for: The first real hurdle is administering a Java web stack and database rather than clicking through a managed signup

607 GitHub stars (checked Aug 6, 2026)

joget.org →
NocoBaseOpen source

A database-backed app builder with pages, forms, roles, workflows, and enough plugins to become your next maintenance hobby.

Versus paying: It is a self-hosted database web-app platform rather than a turnkey offline mobile app builder, making mobile field work the largest loss.

Setup: NocoBase CLI or Docker deployment with MySQL, MariaDB, or PostgreSQL

Watch for: Requires a database, secrets, and deployment administration; the community license also preserves NocoBase branding and restricts some uses

23,600 GitHub stars (checked Aug 6, 2026)

nocobase.com →
REI3Open source

A sober business-app builder with forms, reports, roles, workflows, and no per-user meter.

Versus paying: It produces capable browser-based business apps but not AppSheet's native-feeling mobile client, offline behavior, and spreadsheet expression model.

Setup: Native Linux/Windows server package or Docker Compose, connected to PostgreSQL

Watch for: You must provision PostgreSQL and configure a server/reverse proxy; it is not a managed one-click workspace

571 GitHub stars (checked Aug 6, 2026)

rei3.de →

03What you give up by leaving AppSheet

  • Google integrations, mobile offline support, governance, and managed sync
  • hundreds of connectors
  • pixel-perfect app design
  • mobile app-store builds
  • enterprise permissions and scale

People still pay for AppSheet because the builder is only useful when its runtime, connectors, permissions, and deployments remain boring for years. The recurring cost buys schema migration, auth, permissions, connector drift, queues, deployments, backups, and auditability, not just the visible interface.

04Questions

Is there a free alternative to AppSheet?

Yes. This page compares 5: Baserow Free, Budibase, Joget Community Edition, NocoBase and REI3. 4 of them are open source, so you can run them yourself.

How much does AppSheet cost?

$10/mo on the Core plan (monthly per user), which is $120 a year. Prices checked Aug 14, 2026.

What do you give up with a free alternative to AppSheet?

Most often: Google integrations, mobile offline support, governance, and managed sync, hundreds of connectors, pixel-perfect app design and mobile app-store builds. Each alternative on this page lists its own gap under “Versus paying.”

Can AI build me my own version of AppSheet?

Half-bot. The core loop is buildable, but a dependable replacement becomes a real weekend or multi-day project. For AppSheet, generate a small operational app from a table and a limited rules engine. The hard boundary is google integrations, mobile offline support, governance, and managed sync, plus connectors, runtime reliability, and governance.

Prices change; confirm on the vendor's site before you decide.