Alternatives · App Builders
Mendix alternatives
As of Nov 12, 2026, the highest-graded Mendix alternative is Retool (2.8 GPA). It's also the best free one. The catch, in its listing's words: "Up to 5 users."
Mendix compared with 5 alternatives: Retool, Appsmith, Superblocks, Bubble and FlutterFlow.
Mendix has a free plan. Paid plans start at €918 per month and up for One App (euros as displayed; billing basis not stated). 4 of the 5 alternatives are free or have a free plan. One more offers a free trial.
Listings checked up to Nov 12, 2026 · Where the facts come from
Black Friday: is there a Mendix sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| MendixThis tool | Free plan · from €918/mo | Yes | Web, Windows |
| Retool | Free plan · from $10/mo | Yes | Web |
| Appsmith | Free plan · from $15/mo | Yes | Web |
| Superblocks | Free trial · from $100/mo | Trial only | Web |
| Bubble | Free plan · from $32/mo | Yes | Web |
| FlutterFlow | Free plan · from $29/mo | Yes | Web |
Price against what you get
Mendix starts at about $1,025.59 a month and scores 2.7 out of 4 on features, ease of use and platforms. None of the 5 alternatives on this chart both scores higher and starts lower.
Retool, Appsmith, Superblocks, Bubble and FlutterFlow start lower without scoring higher.
Features, ease of use and platforms, averaged
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
How each one differs from Mendix
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 lists no Windows app, which Mendix has.
- Retool is self-hostable, according to its own site.
- Retool also covers workflow automation, AI agents and no-code.
Suits: Companies building internal tools on their own databases
Appsmith
Open-source low-code platform for internal apps
- Appsmith starts at $15 per user / month.
- Appsmith lists no Windows app, which Mendix has.
- Appsmith is open source and self-hostable, according to its own site.
Suits: Developer teams building internal tools and admin panels
Superblocks
Governed platform for AI-built internal apps and agents
- Superblocks starts at $100 per month for up to 15 builders, billed annually ($125 billed monthly).
- Superblocks has no free plan, only a free trial, unlike Mendix.
- Superblocks lists no Windows app, which Mendix has.
- Superblocks also covers AI agents.
Suits: IT and security teams that want to govern apps built with AI
Bubble
No-code visual builder for web and native mobile apps, with AI
- Bubble starts at $32 per month, billed annually (Starter, web only); $39 billed monthly.
- Bubble lists no Windows app, which Mendix has.
- Bubble also covers no-code.
Suits: Founders building a full web app or marketplace without writing code
FlutterFlow
Visual and AI builder for iOS, Android and web apps
- FlutterFlow starts at $29 per month, billed yearly ($39 billed monthly).
- FlutterFlow lists no Windows app, which Mendix has.
- FlutterFlow also covers AI agents and no-code.
Suits: Founders and teams shipping one app to iOS, Android and web
Limits worth knowing in Mendix
- Prices are shown in euros; the US-dollar price and the billing basis (monthly or annual) are not shown on the page.
- Standard and Premium licenses do not include cloud compute resources, which are priced separately by deployment option.
- Premium is quoted individually, and the Mendix Cloud, Azure, Kubernetes and other deployments cost extra on Standard.
- The Studio Pro 11 IDE is supported on Windows 11; the docs say Apple Silicon Macs run it in beta.
Common questions
What are the alternatives to Mendix?
The alternatives to Mendix in this directory are Retool, Appsmith, Superblocks, Bubble and FlutterFlow. Each one has a side-by-side comparison with Mendix.
Is there a free alternative to Mendix?
Yes. Retool, Appsmith, Bubble and FlutterFlow have a free plan alongside paid ones.
Is there an open-source alternative to Mendix?
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 Nov 2, 2026 to Nov 12, 2026. Vendors change prices without notice, so confirm on their site before you buy.