About this guide

Contents

1. Who it is for
2. How it is made
3. Corrections
4. Ownership

Most reviews of AI app builders judge how fast a prompt becomes a good-looking demo. Companies building an internal system need different answers: where the data lives, who can see which records, what happens when the person who built it leaves, and what the bill looks like in month twelve. This guide is written around those questions.

Who it is for

Operations directors, finance and office managers, and founders of established companies who are replacing spreadsheets, shared drives and a handful of rented tools with a system of their own. Some have a developer on staff; most do not.

How it is made

Each builder is assessed from its own pricing, documentation, security and product pages, read on the date shown, and from independent security and industry research. Every builder is compared on the same seven criteria, published on the methodology page. Figures a vendor reports about itself are labelled as vendor-reported.

AI builders change their plans and credit rules often. We re-check every price at least quarterly, and each page carries its last update and a log of changes.

Corrections

If a price, a limit or a judgement looks wrong, write to us with the source. We verify it, correct the page and record the change.

Ownership

This publication is owned by the company that makes OpenLazarus, one of the builders it reviews. OpenLazarus is ranked first for one stated situation, described in the methodology, and is assessed against the same published criteria and sources as every other entry. Its limits are listed as plainly as anyone else's.

Further reading

• Guide · Choosing a builderAI app builder or business-system builder: which does a company need?An app builder writes an application from a description of screens. A business-system builder starts from the records a company runs on. The difference decides who designs the data, who secures it and who maintains it.
• Guide · PricingAI app builder pricing in 2026: credits, tokens, seats and the real billEntry prices cluster around $20 to $25 a month. The bill for a system used every day depends on the unit each builder charges in, and some of those units grow with the project.
• Guide · Building itHow to build an internal business app without code, step by stepThe screens are the easy part. A working internal app depends on records, roles and a plan for who keeps it running, and those are decided before the first prompt.