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Alternatives · App Builders

Superblocks alternatives

As of Nov 13, 2026, the best Superblocks alternative for most people is Replit (3.0 GPA), first in our ranking of AI app builders. It's also the best free one.

Superblocks compared with 6 alternatives: Retool, Appsmith, UI Bakery, Base44, Replit and 1 more.

Superblocks is a paid product with a free trial, starting at $100 per month for up to 15 builders, billed annually ($125 billed monthly). All 6 alternatives are free or have a free plan.

Listings checked up to Nov 12, 2026 · Where the facts come from

Black Friday: is there a Superblocks sale?

At a glance

ToolPriceFree planRuns on
SuperblocksThis toolFree trial · from $100/moTrial onlyWeb
RetoolFree plan · from $10/moYesWeb
AppsmithFree plan · from $15/moYesWeb
UI BakeryFree plan · from $20/moYesWeb
Base44Free plan · from $16/moYesWeb, iOS, Android
ReplitFree plan · from $18/moYesWeb, macOS, Windows, Linux, iOS, Android
MendixFree plan · from €918/moYesWeb, Windows

Price against what you get

Superblocks starts at $100 a month and scores 2.3 out of 4 on features, ease of use and platforms. 4 of the 6 alternatives on this chart score higher and start lower: Retool, UI Bakery, Base44 and Replit.

Mendix scores higher without starting lower. Appsmith starts lower without scoring higher.

Features, ease of use and platforms, averaged

C2.0B3.0A4.0$5$10$20$50$100$200$500$1k$2kMore for lessCosts more, scores moreCosts less, scores lessCosts more, scores lessSuperblocksRetoolAppsmithUI BakeryBase44ReplitMendix

What paid plans start at, a month (each step along is roughly double) →

  • The best score at each price
  • Has a free plan
  • No free plan
The full chart of AI app builders, and the best at every price

How each one differs from Superblocks

  1. Retool

    Platform for building internal apps, workflows and AI agents

    • Retool starts at $10 per builder / month, billed annually (plus $5 per internal user).
    • Retool has a free plan, which Superblocks lacks.
    • Retool is self-hostable, according to its own site.
    • Retool also covers workflow automation and no-code.

    Suits: Companies building internal tools on their own databases

    Retool vs SuperblocksRetool pricing and details

  2. Appsmith

    Open-source low-code platform for internal apps

    • Appsmith starts at $15 per user / month.
    • Appsmith has a free plan, which Superblocks lacks.
    • Appsmith is open source and self-hostable, according to its own site.
    • Appsmith does not cover AI agents, which Superblocks does.

    Suits: Developer teams building internal tools and admin panels

    Appsmith vs SuperblocksAppsmith pricing and details

  3. UI Bakery

    Low-code and AI builder for internal tools

    • UI Bakery starts at $20 per developer / month, billed annually ($25 billed monthly).
    • UI Bakery has a free plan, which Superblocks lacks.
    • UI Bakery is self-hostable, according to its own site.
    • UI Bakery also covers workflow automation.
    • UI Bakery does not cover AI agents, which Superblocks does.

    Suits: Teams building admin panels, dashboards and approval workflows on live databases

    UI Bakery vs SuperblocksUI Bakery pricing and details

  4. Base44

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

    • Base44 starts at $16 per month, billed annually (Starter).
    • Base44 has a free plan, which Superblocks lacks.
    • Base44 also lists iOS and Android apps.
    • Base44 also covers no-code.
    • Base44 does not cover AI agents, which Superblocks does.

    Suits: Non-developers building internal tools, portals or back-office apps

    Base44 vs SuperblocksBase44 pricing and details

  5. Replit

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

    • Replit starts at $18 per month, billed annually; $20 billed monthly (Core).
    • Replit has a free plan, which Superblocks lacks.
    • Replit also lists macOS, Windows, Linux, iOS and Android apps.
    • Replit also covers no-code.

    Suits: People who want an app built, hosted and published in one place

    Replit vs SuperblocksReplit pricing and details

  6. Mendix

    Enterprise low-code platform for business applications

    • Mendix starts at €918 per month and up for One App (euros as displayed; billing basis not stated).
    • Mendix has a free plan, which Superblocks lacks.
    • Mendix also lists a Windows app.
    • Mendix does not cover AI agents, which Superblocks does.

    Suits: Enterprises building business apps across departments

    Mendix vs SuperblocksMendix pricing and details

Limits worth knowing in Superblocks

  • Teams includes 100 Governed Agent Units a month and 1 hosted app; additional GAU packs and apps ($10 each a month) are extra.
  • Teams is capped at 15 builders.
  • VPC deployment, SSO, RBAC, audit logs and source control are Enterprise-only and priced through sales.
  • There is no free plan, only a 14-day trial.
Superblocks pricing and details

Common questions

What are the alternatives to Superblocks?

The alternatives to Superblocks in this directory are Retool, Appsmith, UI Bakery, Base44, Replit and Mendix. Each one has a side-by-side comparison with Superblocks.

Is there a free alternative to Superblocks?

Yes. Retool, Appsmith, UI Bakery, Base44, Replit and Mendix have a free plan alongside paid ones.

Which Superblocks alternatives work on Windows?

The Superblocks listing does not include a Windows app. Replit and Mendix list one.

Which Superblocks alternatives work on macOS?

The Superblocks listing does not include a macOS app. Replit lists one.

Is there an open-source alternative to Superblocks?

Appsmith is described as open source on its own site.

When were these prices checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 12, 2026. Vendors change prices without notice, so confirm on their site before you buy.