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App Builder Index

Head to head

Retool vs Base44 (2026)

Retool takes the overall rating, but this pairing is decided on axes rather than totals: Retool leads 5 of the ten, Base44 leads 4.

Retool logo

Retool

The internal tools standard, priced for companies that have an engineering budget

4.1out of 5

The most professionally engineered product in this index, and priced accordingly. Retool takes the top marks on integrations at 4.7 and reliability at 4.6 because it connects to real databases with real credentials, has genuine source control, and self-hosts properly: a full deployment inside your own VPC via Docker in about fifteen minutes, which is a stronger ownership story than any hosted builder here, including our top-ranked tool. It also imports React apps built elsewhere, from Lovable or Replit, by ZIP upload or GitHub sync, and it now promotes a hosted MCP server on its own homepage: "Build an app from your favorite AI coding agent and deploy it here within your governed Retool environment." The honest qualifier on that axis is that the MCP server exists while the Platform API is Enterprise only with no published per-call price. Two costs to plan for: per-user pricing gets expensive fast, and Agents are billed separately from AI credits at a rate the vendor does not publish, so agent-heavy usage cannot be costed from public information.

Price from
EUR 9 / builder / month, billed annually
Best for
Engineering teams building admin panels and operational tooling over production data
Ratings
37

Read the Retool review

Base44 logo

Base44

The most forgiving builder for people who do not write code

4.0out of 5

Buy for internal tools, think hard for anything customer-facing. Base44 is the most forgiving product in this index for someone who has never opened a terminal: there is no Supabase key to paste, no deployment step to understand, no npm. Database, auth, email and hosting are simply there. Two of our non-technical testers completed a working staff rota tool on Base44 and on nothing else. Its entry tier is strong value for a full-stack product. The cost of that simplicity is ownership: the batteries are included because they are bolted in.

Price from
USD 16 / month, billed annually
Best for
Operations and business teams building internal tools without engineering support
Ratings
63

Read the Base44 review

What each one looks like

Screenshot of the Retool landing page, captured by App Builder Index
Retool, captured 20 August 2026
Screenshot of the Base44 landing page, captured by App Builder Index
Base44, captured 20 August 2026

Axis by axis

The leader on each axis is set in bold. The weight column is what that axis contributes to the overall rating, so a win on reliability counts for more than five times a win on code ownership.

AxisWeightRetoolBase44Leader
Reliability16%4.64.0Retool
Integrations16%4.74.1Retool
SEO and GEO13%n/a3.5Not compared, axis does not apply
Design quality12%3.74.0Base44
Agent performance10%3.64.1Base44
Speed9%4.04.8Base44
Value9%3.04.2Base44
Scalability7%4.53.7Retool
API and MCP access5%4.53.2Retool
Code ownership3%3.82.8Retool
Overall, weighted100%4.14.0Retool

Axis definitions and the full weighting are on how we review. Both tools last verified 20 August 2026.

Where the capabilities differ

CapabilityRetoolBase44
Full-stack backendYes, connects to yoursYes, managed
Database includedNo, bring your ownYes, built in
Auth includedYes, with SSO and granular permissionsYes, built in
Code exportPartial, apps as JSON in Git, plus React app import from Lovable or Replit by ZIP or GitHub syncPartial
GitHub syncYes, source control on paid plansPartial
One-click deployYes, or self-hostYes
Custom domainYes, paid plansYes, paid plans
Mobile or native outputRetool MobileResponsive web only
Team collaborationYes, with review and stagingYes
Public API or MCP serverYes, a hosted MCP server for building from an AI coding agent inside your governed environment. The Platform API is Enterprise only, with no published per-call priceLimited
Self-hosting the outputYes, a full self-host inside your own VPC via Docker in about fifteen minutesNo

Shaded rows are the ones where the two differ.

What each one costs

Retool

Free plan for up to five users. Team from EUR 9 per builder a month billed annually, plus EUR 5 per internal user, and the tier most buyers actually need is Business at EUR 46 per builder plus EUR 14 per internal user.

Team plan, billed annually, EU price list, plus EUR 5 per internal user. The realistic tier is Business at EUR 46 per builder plus EUR 14 per internal user, because audit logging, permission controls, embedded apps and unlimited environments all start there. A reader anchored on about 10 EUR will be off by an order of magnitude.

PlanPrice
FreeFree
TeamEUR 9
BusinessEUR 46
EnterpriseOn request

Base44

Free plan with a monthly message allowance. Starter at USD 16 a month billed annually.

Starter plan, billed annually.

PlanPrice
FreeFree
StarterUSD 16
BuilderNot captured
BusinessOn request

Prices are shown in the currency each vendor publishes, never converted. Sorting by price groups the currencies and orders within each one, so it is not an exact cross-currency comparison.

We list the plans we could verify on the vendor's own pricing page. Where a plan exists but its price was not published in a form we could capture, the row says so rather than carrying a number we cannot source.

Which one should you choose

Pick Retool if your project looks like engineering teams building admin panels and operational tooling over production data. Its strongest axes in this pairing are reliability, integrations, scalability. Avoid it for non-technical solo founders, and anything customer-facing.

Pick Base44 if your project looks like operations and business teams building internal tools without engineering support. Its strongest axes here are design quality, agent performance, speed. Avoid it for anyone who needs to own and self-host the resulting codebase.

And the dissenting notes, which we publish rather than average away: on Retool, The editor in chief pushed for a lower design score, arguing Retool output looks like Retool no matter what you do. The panel settled at 3.7 because internal users tend not to care. On Base44, The minority view, and it is a strong one, is that we are under-penalising lock-in. Our data editor argued that a 2.8 on code ownership is generous for a platform where the runtime, the database and the auth all belong to the vendor, and that a business putting a core process on Base44 is taking on a migration cost it has not priced. The counter is that internal tools are frequently disposable, and paying for portability you will never use is its own waste. Both positions are in the record because both are defensible.

Frequently asked

Is Retool better than Base44?
On our weighted overall rating, Retool scores higher: 4.1 for Retool against 4.0 for Base44. Axis by axis it is closer than that sounds. Retool leads 5 of the 9 axes that apply to both, Base44 leads 4, and 0 are tied. The right choice depends on which axes you weight, not on which total is larger.
Which is cheaper, Retool or Base44?
Retool starts at EUR 9 / builder / month, billed annually and Base44 starts at USD 16 / month, billed annually. Each figure is the vendor's own published price and currency, not converted, so compare the pricing models rather than the two numbers: Retool bills as free plan for up to five users. team from eur 9 per builder a month billed annually, plus eur 5 per internal user, and the tier most buyers actually need is business at eur 46 per builder plus eur 14 per internal user. and Base44 bills as free plan with a monthly message allowance. starter at usd 16 a month billed annually..
Can I move a project from Retool to Base44?
Only as far as code export allows. On the code ownership axis Retool scores 3.8 and Base44 scores 2.8 out of five, which reflects how much of the running application you can take with you and whether it still works once moved.
Which one is better for search visibility?
The SEO and GEO axis, which we weight at 13 percent, does not apply to both tools here. Retool builds software that sits behind a login or ships to an app store, so there are no public crawlable pages to test and the axis is left out of its overall rating. Base44 scores 3.5 on it.