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Superblocks alternatives · App Builders

Free alternatives to Superblocks

Superblocks has no free plan. 64 of the 89 other AI app builders in this directory are free or have a free plan.

Superblocks is a paid product with a free trial, starting at $100 per month for up to 15 builders, billed annually ($125 billed monthly). 2 of them have no paid plan at all; the rest pair a free plan with paid ones.

64 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to Superblocks

  1. Retool

    Platform for building internal apps, workflows and AI agents

    What is free: Up to 5 users, 250 AI credits a month and 500 workflow runs a month, production environment only.

    • Retool starts at $10 per builder / month, billed annually (plus $5 per internal user). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Retool has a free plan. Superblocks does not, though it has a free trial.
    • Retool is self-hostable, according to its own site.
    • Retool also covers workflow automation and no-code.
    Retool vs SuperblocksRetool pricing and details

  2. Appsmith

    Open-source low-code platform for internal apps

    What is free: Free plan for cloud: up to 5 users, 5 workspaces, Git with 3 repos and community support. The open-source Community edition is free to self-host.

    • Appsmith starts at $15 per user / month. Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Appsmith has a free plan. Superblocks does not, though it has a free trial.
    • Appsmith is open source and self-hostable, according to its own site.
    • Superblocks also covers AI agents.
    Appsmith vs SuperblocksAppsmith pricing and details

  3. UI Bakery

    Low-code and AI builder for internal tools

    What is free: Unlimited apps and data source connections, public and private apps, unlimited public app users, a hosted database and monthly AI trial credits.

    • UI Bakery starts at $20 per developer / month, billed annually ($25 billed monthly). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • UI Bakery has a free plan. Superblocks does not, though it has a free trial.
    • UI Bakery is self-hostable, according to its own site.
    • UI Bakery also covers workflow automation.
    UI Bakery vs SuperblocksUI Bakery pricing and details

  4. Base44

    No-code AI builder with a database, login and hosting included

    What is free: 25 message credits and 100 integration credits a month, up to 5 apps, with authentication, database functionality and analytics included.

    • Base44 starts at $16 per month, billed annually (Starter). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Base44 has a free plan. Superblocks does not, though it has a free trial.
    • Only Base44 lists iOS and Android apps.
    • Base44 also covers no-code.
    Base44 vs SuperblocksBase44 pricing and details

  5. Replit

    Cloud platform where an AI agent builds, hosts and publishes apps

    What is free: Starter plan: Agent chat and Free Mode with a daily cap, Lite build only, monthly credits for cloud usage, and 1 published app that goes offline after 30 days.

    • Replit starts at $18 per month, billed annually; $20 billed monthly (Core). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Replit has a free plan. Superblocks does not, though it has a free trial.
    • Only Replit lists macOS, Windows, Linux, iOS and Android apps.
    • Replit also covers no-code.
    Replit vs SuperblocksReplit pricing and details

  6. Budibase

    Open-source platform for internal apps, automations and AI agents

    What is free: Community edition: free to self-host, with unlimited users, apps, agents and automations.

    • Budibase starts at $299 per month and up (Budibase Cloud, billing basis not shown). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Budibase has a free plan. Superblocks does not, though it has a free trial.
    • Budibase is open source and self-hostable, according to its own site.
    • Budibase also covers workflow automation and no-code.
    Budibase vs SuperblocksBudibase pricing and details

  7. Gadget

    Full-stack JavaScript platform with an AI assistant and hosting

    What is free: Hobby plan: free, 2 seats, unlimited dev environments, 1 production environment and 100 AI credits once on sign-up.

    • Gadget starts at $35 per month. Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Gadget has a free plan. Superblocks does not, though it has a free trial.
    • Gadget also covers databases.
    • Superblocks also covers AI agents.
    Gadget vs SuperblocksGadget pricing and details

  8. Mendix

    Enterprise low-code platform for business applications

    What is free: Free package: build and deploy demos, prototypes or small apps with a deployment environment and unlimited users, no credit card required.

    • Mendix starts at €918 per month and up for One App (euros as displayed; billing basis not stated). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Mendix has a free plan. Superblocks does not, though it has a free trial.
    • Only Mendix lists a Windows app.
    • Superblocks also covers AI agents.
    Mendix vs SuperblocksMendix pricing and details

  9. OutSystems

    Enterprise platform for building apps and AI agents

    What is free: Personal Edition: free, for exploring and learning the platform on your own, with up to 100 internal users and a development runtime only.

    • OutSystems has a free plan. Superblocks does not, though it has a free trial.
    • OutSystems is self-hostable, according to its own site.
    OutSystems vs SuperblocksOutSystems pricing and details

  10. ToolJet

    Low-code platform for internal tools, workflows and AI agents

    What is free: 2 builders, up to 50 end users, 10 apps and 100 AI credits a month. The Community Edition can also be self-hosted for free.

    • ToolJet starts at $23 per builder / month, billed annually ($29 billed monthly). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • ToolJet has a free plan. Superblocks does not, though it has a free trial.
    • ToolJet is open source and self-hostable, according to its own site.
    • ToolJet also covers databases, workflow automation and no-code.
    ToolJet vs SuperblocksToolJet pricing and details

  11. Emergent

    AI agents that build and deploy full-stack web and mobile apps

    What is free: 10 credits a month with the core building features. No deployments, GitHub integration, custom domains, mobile agent or credit top-ups.

    • Emergent starts at $17 per month, billed annually; $20 billed monthly (Standard). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Emergent has a free plan. Superblocks does not, though it has a free trial.
    • Emergent also covers no-code.
    Emergent pricing and details

  12. Rork

    AI builder for native iPhone, Android and web apps from a prompt

    What is free: Design mode only, with 5 design credits a day and up to 35 a month in major markets (5 a month elsewhere). Projects are private, but it cannot build a working app.

    • Rork starts at $20 per month (Rork Pro). Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
    • Rork has a free plan. Superblocks does not, though it has a free trial.
    • Only Rork lists an iOS app.
    • Rork also covers no-code.
    Rork pricing and details

52 more that are free or have a free plan

All 64 in one table

Common questions

Is there a free alternative to Superblocks?

Yes. Retool, Appsmith, UI Bakery, Base44, Replit, Budibase, Gadget, Mendix and 56 more are free or have a free plan.

Does Superblocks have a free plan?

Superblocks has no free plan. Superblocks is a paid product with a free trial, starting at $100 per month for up to 15 builders, billed annually ($125 billed monthly).

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Superblocks: the alternatives its listing names first, then the tools that share the most features with it.