Betty Blocks

Amsterdam-founded no-code platform that exports real React and WebAssembly code to avoid vendor lock-in

Quick Overview

CompanyBetty Blocks
CategoryLow-Code/No-Code Application Platforms
HeadquartersAmsterdam, Netherlands
Founded2007
EU PresenceEU (Netherlands)
Open SourceNot stated; proprietary platform, but applications compile to standard React and WebAssembly for export
ComplianceNot independently verified from the vendor pages checked for this review; GDPR applies as an EU-based processor
PricingCreate €1,500/month; Scale €3,500/month; Enterprise quoted
Free OptionNo permanent free tier stated
ReplacesOutSystems, Microsoft Power Apps, Bubble

Detailed Review

Betty Blocks was founded in Amsterdam in 2007 and built its early reputation on governed citizen development: letting non-developers build applications while IT retains oversight, a model that found particular traction with Dutch insurers and public-sector bodies.

The company has more recently repositioned around AI-driven application generation, emphasising that applications built on the platform compile to standard React and WebAssembly rather than a proprietary format only Betty Blocks can run — its own language for this is closing the ‘sovereignty gap’ that leaves customers of most no-code platforms unable to leave without rebuilding everything.

Pricing is published rather than quote-only at the entry tiers: Create is €1,500 a month and Scale is €3,500 a month, with Enterprise reserved for a custom quote. That is meaningfully more expensive than the other Dutch options in this category (Mendix's free tier, Ninox's per-user pricing), which positions Betty Blocks as a mid-market-and-up purchase rather than a small team's first low-code tool.

Where it earns its place in this category is the export story: a customer who wants to leave, or who wants to self-host, can point to standard React and WebAssembly output rather than a black box, which is a genuinely different answer to lock-in than most no-code vendors give. It suits an organisation that has been burned by vendor lock-in before, or one in a regulated Dutch sector that already expects a formal citizen-development governance model.

What Betty Blocks does well

  • Founded in Amsterdam in 2007, with a straightforward, published two-tier pricing structure before the inevitable enterprise quote
  • Application code exports in standard formats (React, WebAssembly), a genuine answer to the usual no-code lock-in complaint
  • Originally built around governed citizen development, which shows in how deliberately IT oversight is designed into the workflow
  • Deployment infrastructure choice is left to the customer rather than forced onto Betty Blocks’ own cloud

Where Betty Blocks falls short

  • Published entry pricing starts at €1,500/month — high for a small team compared with Mendix's free tier or Ninox's per-user pricing
  • The platform's own marketing has shifted meaningfully toward ‘AI application generation’, which makes it harder to evaluate against its longer no-code track record
  • No independently confirmed compliance certification (SOC 2/ISO 27001) found on the pages checked for this review
  • Best documented for citizen-developer governance in regulated Dutch sectors (insurance, public sector); less proven outside that use case

Standout feature. Applications compile to standard, exportable React and WebAssembly rather than a proprietary runtime you can only run on Betty Blocks’ own servers — the platform is explicitly positioned against what it calls the ‘sovereignty gap’ most no-code tools leave a customer exposed to.

Pros and Cons

Pros

  • Founded in Amsterdam in 2007, with a straightforward, published two-tier pricing structure before the inevitable enterprise quote
  • Application code exports in standard formats (React, WebAssembly), a genuine answer to the usual no-code lock-in complaint
  • Originally built around governed citizen development, which shows in how deliberately IT oversight is designed into the workflow
  • Deployment infrastructure choice is left to the customer rather than forced onto Betty Blocks’ own cloud

Cons

  • Published entry pricing starts at €1,500/month — high for a small team compared with Mendix's free tier or Ninox's per-user pricing
  • The platform's own marketing has shifted meaningfully toward ‘AI application generation’, which makes it harder to evaluate against its longer no-code track record
  • No independently confirmed compliance certification (SOC 2/ISO 27001) found on the pages checked for this review
  • Best documented for citizen-developer governance in regulated Dutch sectors (insurance, public sector); less proven outside that use case

Alternatives to Betty Blocks

See all Low-Code/No-Code Application Platforms →

Frequently Asked Questions

What is Betty Blocks?

Amsterdam-founded no-code platform that exports real React and WebAssembly code to avoid vendor lock-in

Where is Betty Blocks based?

Betty Blocks is operated by Betty Blocks, headquartered in Amsterdam, Netherlands, which places it under EU (Netherlands) law.

What does Betty Blocks cost?

Create EUR 1,500/month; Scale EUR 3,500/month; Enterprise quoted

Who is Betty Blocks best for?

Applications compile to standard, exportable React and WebAssembly rather than a proprietary runtime you can only run on Betty Blocks' own servers - the platform is explicitly positioned against what it calls the 'sovereignty gap' most no-code tools leave a customer exposed to.

Is Betty Blocks a good alternative to Bubble or OutSystems?

Betty Blocks is built as a European alternative to US-based low-code platforms like Bubble and OutSystems. It will not be a like-for-like feature match in every respect, so check the review above for where it genuinely differs before switching.

How does Betty Blocks compare to other Low-Code/No-Code Application Platforms tools?

Betty Blocks is one of several European Low-Code/No-Code Application Platforms tools covered on this site. See the full Low-Code/No-Code Application Platforms category page for how it ranks against its closest European competitors.

Who worked on this review

Three people touch every tool page: one writes it, a second edits it, and a third checks the compliance and pricing claims against the vendor's own documentation.

Marta Kowalczyk
Written by

Marta Kowalczyk

Senior Analyst, Infrastructure & Developer Tools · Warsaw, Poland

Covers hosting, developer tooling and the practical side of moving workloads to European providers.

Daniel Brandt
Edited by

Daniel Brandt

Privacy & Compliance Researcher · Berlin, Germany

Checks the compliance claims: where the company is established, where the data sits, and what the DPA actually says.

Sebastiaan Smits
Fact-checked by

Sebastiaan Smits

Founder & Editor · Netherlands

Selects the tools, writes the reviews, and checks where each company is actually established.

Read our editorial process for how we source, verify and update these pages — and how we keep affiliate income separate from what we recommend.

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