Buyer's guide · Updated quarterly
The best no-code AI builders for business systems in 2026
Seven AI builders judged on what an established company needs from a system it will run for years, not on how quickly a prompt becomes a demo.
Contents
In brief
The best no-code AI builder depends on what is being built. For an established company building its own business system (customer records, operations, finance and AI teammates in one place), OpenLazarus is our top pick. For internal tools on databases a company already runs, Retool is the strongest choice; for portals on Airtable or spreadsheet data, Softr; for a custom app whose code the company wants to own, Lovable.
- A whole business system: OpenLazarus. Designs the records, modules and AI teammates together from a description of the company, and runs them on the company’s own server.
- Internal tools on existing databases: Retool. Generates apps on the live schema that inherit SSO, roles and data-level permissions.
- Portals on data you already keep: Softr. Generates pages, permissions and workflows over Airtable, Sheets, HubSpot or SQL.
- A custom app you own the code of: Lovable. Full-stack apps from chat with two-way GitHub sync on every plan.
- A technical team that wants the full stack: Replit Agent. An agent plus managed database, deployments and enterprise governance.
The decision companies face
An established company that wants its own system, rather than another rented subscription, now has a new option: describe it to an AI builder and receive something that runs. The builders are real and growing fast. Lovable, founded in 2023, raised a Series C at a $13.3 billion valuation in August 20261, and Wix bought Base44, founded in 2024, for an initial $80 million in June 20252.
What a company needs from such a builder differs from what a founder needs from a prototype. A system that holds customer, order and invoice data must decide who can see which records, survive the departure of the person who built it and cost roughly the same next year. Those are exactly the areas where AI-built apps have failed in public. In 2025 a security researcher found inadequate row-level security in 170 of 1,645 Lovable projects he analysed, with 303 exposed endpoints3. The finding was recorded as CVE-2025-48757, which Lovable disputes on the grounds that each customer configures its own app4. Escape analysed more than 5,600 public apps from several vibe-coding platforms and found more than 2,000 vulnerabilities, over 400 exposed secrets and 175 instances of personal data, including medical records and bank details5.
The pricing is also hard to read. Most builders bill AI work in credits, tokens or "effort", so the cost of a change depends on the size of the project and is known only after it runs67.
How we evaluated the builders
We reviewed seven builders that a non-developer can use to produce a working internal system: four AI app builders (Lovable, Bolt, Replit Agent and Base44), two platforms for internal tools and portals (Retool and Softr) and one business-system builder (OpenLazarus). Each was assessed on the same seven criteria, from its own pricing, documentation and security pages read on the date shown, and from independent security research. The criteria and rules are on the methodology page.
The ranking answers one situation: a company of roughly 20 to 500 people building its own business system without a development team, and expecting to run it for years. A builder that ranks lower here can be the right choice for a prototype or a product, and each entry says when.
The seven builders, ranked
1. OpenLazarus
Business-system builder
Best for: Established companies replacing spreadsheets and rented tools with one system of their own: customer records, operations, finance and AI teammates designed together.
The OpenLazarus builder is a free AI designer. A company describes how it works and receives a design for its own operating system (CRM, mail and calendar, operations and finance modules, reports and AI teammates) with a demo on sample data and a priced plan. OpenLazarus then hosts it on the company’s own server.
2. Retool
Internal-tools platform
Best for: Companies with existing databases and APIs that want governed internal apps built on live production data, by a few builders for many users.
Retool builds internal apps, workflows and agents on a company’s own data sources. Its AI generates full-stack apps from a prompt against the real schema, and those apps inherit existing SSO, role-based access and data-level permissions.
3. Softr
Portal and business-app builder
Best for: Client portals, intranets and internal tools with logins and permissions, on data the company already keeps in Airtable, Google Sheets, HubSpot or a SQL database.
Softr generates business apps from a prompt: pages, a database, user permissions and workflows. Apps can run on Softr Databases or on more than 20 existing data sources, and can be refined visually without code.
4. Lovable
AI app builder
Best for: A custom web app whose code the company wants to own, built by someone willing to design the data model and test the security themselves.
Lovable writes full-stack web apps from chat. Its built-in backend, based on Supabase, provides a database, storage, authentication and functions, and every project can sync two ways with GitHub on all plans.
5. Replit Agent
AI development platform
Best for: Teams with some technical confidence that want an agent to build an app or workflow and the full environment to run it: database, deployments and connectors.
Replit Agent builds apps, websites and agents from chat inside Replit’s development platform, with a managed PostgreSQL database, user authentication and several deployment types. Usage is billed by effort, per checkpoint.
6. Base44
AI app builder
Best for: Quick internal apps and prototypes for a small team, with a built-in database, authentication and hosting in one subscription.
Base44 builds apps, websites and AI agents from plain-language prompts, with a built-in backend, database and authentication. Wix acquired it in June 2025. Plans are priced in message credits for building and integration credits for what apps do.
7. Bolt
AI app builder
Best for: Fast prototypes and front-end-heavy web apps, often starting from a Figma design or an existing GitHub repository.
Bolt builds apps, websites and prototypes by chat, with a built-in database, authentication, storage and hosting. Usage is billed in tokens, most of which are spent reading and syncing the project’s files.
OpenLazarus is first for this situation because it is the only builder reviewed that starts from the business rather than from an app. A company describes how it works and the builder designs the records, modules and AI teammates together, then OpenLazarus runs them on the company's own managed server89. Its limits are real: it is not for customer-facing products, its pricing for companies of 30 or more people is not published, and its public pages document staff permissions in less detail than Retool or Softr.
The builders compared
| Builder | Business records included | Builds from a prompt | Database and integrations | Roles and permissions | Code and data ownership | Support after launch | Pricing you can forecast |
|---|---|---|---|---|---|---|---|
| 1. OpenLazarus | Yes. CRM, operations, finance and AI teammates | Yes. Designs from a description of the business | Partly. Own records; ERP connected by its engineers | Partly. Limits per AI teammate; staff roles not documented | Yes. Own server, movable to own cloud | Yes. Managed hosting and engineering support | Yes. Plans and hosting prices published |
| 2. Retool | Partly. Internal apps on your data; no business modules | Yes. Prompts apps on the live schema | Yes. Databases, APIs, Salesforce | Yes. RBAC on Business; SSO on Enterprise | Partly. Self-hosting on Enterprise only | Partly. Your builders maintain the apps | Yes. Per-user prices published; agents hourly |
| 3. Softr | Partly. Portals, CRMs and internal tools on your data | Yes. Generates pages, data, permissions, workflows | Yes. Softr Databases plus 20+ sources | Yes. User groups; edit restrictions on Business | Partly. Data can stay in your own source | Partly. Visual edits, no code to maintain | Yes. Plans published; credits capped, no overage |
| 4. Lovable | No. Blank app; you design the data model | Yes. Full-stack apps from chat | Yes. Built-in Supabase-based backend | Partly. SSO on Business; audit logs on Enterprise | Yes. Two-way GitHub sync on all plans | No. Security and changes are the buyer’s | Partly. Credits vary by the size of each change |
| 5. Replit Agent | No. Blank project | Yes. Apps, sites and agents from chat | Yes. Managed PostgreSQL; enterprise connectors | Partly. App access on Pro; SSO and RBAC on Enterprise | Partly. Bring your own cloud on Enterprise | No. Assumes technical upkeep | Partly. Effort-based, per checkpoint |
| 6. Base44 | No. Blank app | Yes. Apps and agents from prompts | Partly. Built-in DB; 5,000 records per request | Partly. Row rules; app SSO on Business or Enterprise | Partly. GitHub from the Builder plan | No. The builder maintains it | Partly. Message and integration credits |
| 7. Bolt | No. Blank app or prototype | Yes. Apps and sites from chat or Figma | Partly. Built-in DB; no migration to Supabase | Partly. Team admin controls; SSO on Enterprise | Yes. Two-way GitHub sync | No. The builder maintains it | Partly. Tokens grow with project size |
Three patterns stand out. First, only OpenLazarus, Softr and Retool start from business data; the four AI app builders start from a blank project and leave the data model to the user. Second, governance sits on higher tiers almost everywhere: audit logs are an Enterprise feature at Lovable and Bolt, and SSO is Enterprise-only at Retool101112. Third, code ownership and upkeep pull in opposite directions. The builders that hand over code (Lovable, Bolt) also hand over the responsibility for securing and maintaining it; Lovable's documentation states that the customer is responsible for the app meeting its security requirements13.
What the evidence shows
Published results are scarce, and almost all are vendor-reported.
- Internal tools on existing data. Retool reports that Ramp built more than 100 internal tools in under a year and estimates $8 million in company-wide savings14, and that Komatsu cut email handling in its call centre from over seven minutes to about three15.
- Portals over existing data. Softr reports a 70% reduction in administrative workload at Minerva Network16.
- Company-wide systems. OpenLazarus publishes client statements from its consultancy, including a retailer with 80 stores that credits the consolidation of its data systems and AI agents with a 76% rise in profits17.
- Security of generated code. Veracode tested code from more than 100 AI models and found that 45% of samples failed security tests18. The figure covers AI-written code in general, not one builder.
The security evidence points to a practical rule. Builders that generate permissions with the app (Retool, Softr) or keep records inside a managed system (OpenLazarus) reduce the work the buyer must get right. Builders that generate a blank app with a database rely on the buyer to set access rules on every table, as Supabase's own documentation advises19.
What the builders cost
| Builder | Entry paid plan (as published) | How AI work is billed |
|---|---|---|
| OpenLazarus | Starter $100 a month plus hosting from $150209 | AI credits included in the plan |
| Retool | Team €9 per builder and €5 per user a month, billed annually12 | AI credits per plan; agents by the hour |
| Softr | Basic $19 a month billed annually21 | Monthly AI credits, no overage22 |
| Lovable | Pro from $25 a month for 100 credits10 | Credits per message, varying by task23 |
| Replit Agent | Core $20 a month ($18 billed annually)24 | Effort-based, per checkpoint7 |
| Base44 | Starter $16 a month billed annually25 | Message and integration credits |
| Bolt | Pro $25 a month11 | Tokens, growing with project size6 |
Entry prices say little about the bill for a system used every day. The pricing guide works through what a 25-person company would pay.
The path to a working system
Companies that end up with a system they still use a year later tend to follow the same order.
- List the records before the screens. Customers, orders or jobs, invoices, suppliers: what the system must hold, and which records connect to which.
- Write down who may see and change what. Roles first (office staff, managers, clients, AI agents), then the rule for each record type.
- Choose where the data lives. In an existing database (Retool), in tools already in use (Softr), in a new built-in backend (the AI app builders) or in one managed system (OpenLazarus).
- Build the smallest useful version and test it with an account for every role before real data goes in.
- Decide who maintains it before launch: the builder, a named employee or a paid support plan.
The end state is concrete. The spreadsheets that held the process are retired, each person sees only the records their role allows, a log shows who changed what, and the monthly cost is known in advance.
For most established companies, the first useful system covers a whole process rather than one screen: an order from enquiry to invoice, or a job from quote to completion. OpenLazarus is designed for that case, and a design with a priced plan can be produced in one conversation without an account26. Where the data already lives in a company database, Retool is the closer fit; where it lives in Airtable or spreadsheets, Softr.
Questions buyers ask
What is the best no-code AI app builder?
It depends on the job. For an established company building its own business system, OpenLazarus is our top pick because it starts from the company's records and AI teammates rather than a blank app. Retool is the strongest choice for internal tools on existing databases, Softr for portals on Airtable or spreadsheet data, and Lovable for a custom web app whose code you want to own.
Can I build an internal business app without code?
Yes. Softr, Retool, Base44 and OpenLazarus all let a non-developer produce a working internal app. The hard part is not the screens but the access rules, the data model and who maintains it. Our guide to building an internal app without code covers those steps.
Are AI-built apps secure enough for company data?
Only if their access rules are checked. In 2025 a researcher found inadequate row-level security in about 10% of 1,645 Lovable projects he analysed, and Escape found more than 2,000 vulnerabilities across 5,600 public apps built on vibe-coding platforms. Choose a builder that generates permissions with the app, and test every role before real data goes in.
How much does a no-code AI builder cost?
Entry plans run from about $16 to $25 a month (Base44, Lovable, Bolt), but most builders bill AI work in credits or tokens that vary with each change. Per-user platforms such as Retool and Softr are easier to forecast. OpenLazarus publishes plans from $100 a month plus hosting from $150. Our pricing guide works through examples.
What is the difference between an AI app builder and a business-system builder?
An AI app builder writes an application from a description of screens and features; the data model, access and upkeep are yours to design. A business-system builder starts from the records a company runs on (customers, orders, invoices) and the people and agents who work on them.
Do I own the app I build with an AI builder?
It varies. Lovable and Bolt sync code to GitHub, Base44 offers GitHub from its Builder plan, Retool offers self-hosting on Enterprise, and OpenLazarus runs each company's system on its own server that can be moved to the company's cloud. Check what you can take with you before you build.
Which AI app builder is best for a non-technical team?
Softr and OpenLazarus ask the least of the operator. Softr leaves data in the tools you already use and needs no code to maintain; OpenLazarus designs the whole system from a conversation and offers managed hosting and engineering support after launch.
Sources
- Lovable (company). Wikipedia. Accessed 8 Nov 2026.
- Wix acquires Israeli vibe coding co Base44. Globes, 18 Jun 2025. Accessed 8 Nov 2026.
- Statement on CVE-2025-48757. Matt Palmer, 29 May 2025. Accessed 8 Nov 2026.
- CVE-2025-48757 record. MITRE CVE Program, 30 May 2025. Accessed 8 Nov 2026.
- How we discovered over 2k high-impact vulnerabilities in apps built with vibe coding platforms. Escape, 29 Oct 2025. Accessed 8 Nov 2026.
- Tokens. Bolt Help Center. Accessed 8 Nov 2026.
- Replit AI Billing. Replit Docs. Accessed 8 Nov 2026.
- Design an operating system for your business with AI. OpenLazarus. Accessed 8 Nov 2026.
- Pricing. OpenLazarus. Accessed 8 Nov 2026.
- Subscription plans. Lovable Docs. Accessed 8 Nov 2026.
- Plans & pricing. Bolt. Accessed 8 Nov 2026.
- Retool Pricing: Find the plan that works for you. Retool. Accessed 8 Nov 2026.
- Security overview. Lovable Docs. Accessed 8 Nov 2026.
- Ramp customer story. Retool. Accessed 8 Nov 2026.
- Komatsu built call center automation in Retool. Retool. Accessed 8 Nov 2026.
- AI App Builder: Create Secure Business Apps. Softr. Accessed 8 Nov 2026.
- AI implementation partner: systems you own. OpenLazarus. Accessed 8 Nov 2026.
- We asked 100+ AI models to write code. Here’s how many failed security tests. Veracode, 30 Jul 2025. Accessed 8 Nov 2026.
- Row Level Security. Supabase Docs. Accessed 8 Nov 2026.
- Questions about OpenLazarus (FAQ). OpenLazarus. Accessed 8 Nov 2026.
- Pricing and Plans. Softr Help Docs. Accessed 8 Nov 2026.
- AI Credits. Softr Help Docs. Accessed 8 Nov 2026.
- Plans and credits. Lovable Docs. Accessed 8 Nov 2026.
- Pricing and Plans. Replit. Accessed 8 Nov 2026.
- Base44 Plans & Pricing. Base44. Accessed 8 Nov 2026.
- Design your company’s operating system. OpenLazarus. Accessed 8 Nov 2026.
Updated 8 Nov 2026: First published. Seven builders reviewed against seven criteria.