Retool alternatives: 7 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Retool: per-user pricing gets expensive as usage spreads, and needs developers comfortable with SQL and JavaScript. We ranked 7 alternatives by how directly each one replaces Retool, then by reviews, real visits and how recently each app's facts were checked against its own website. Appsmith currently ranks first.

Quick comparison

#	App	Pricing	Open source	Platforms	Verified facts	Score
1	Microsoft Power Apps	Paid	No	Web, Windows, iOS +1	4 of 4	52.3

1. Microsoft Power AppsTop pick
Best for: Organisations on Microsoft 365 that want governed business apps built by IT and power users
PaidWeb, Windows, iOS, Android
52.3
score / 100
Why switch from Retool
Fits companies standardised on Microsoft 365 and Dataverse.
Pros
Deep integration with Microsoft 365, Teams and Dynamics
Hundreds of connectors and Dataverse storage
Strong governance through Microsoft admin tools
Cons
Licensing is complicated and premium features cost extra
Canvas apps can be slow with large data
Little appeal outside the Microsoft ecosystem
Visit Microsoft Power Apps Details and reviews
How this score is calculated
Editorial fit ×0.353
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Microsoft Power Apps a good Retool alternative?
Verified facts
4 of 4 verified
Premium price
$20 per user/month, paid yearly
Checked Oct 25, 2026microsoft.com(opens source in a new tab)
Volume price
$12 per user/month with 2,000-seat minimum
Checked Oct 25, 2026microsoft.com(opens source in a new tab)
Developer plan
Free
Checked Oct 25, 2026microsoft.com(opens source in a new tab)
Extra database capacity
$40 per GB/month
Checked Oct 25, 2026microsoft.com(opens source in a new tab)

The best Retool alternative for…

The highest-ranked app in this list for each need.

Best Retool alternative for most people

Appsmith

Open-source and self-hostable, with a similar canvas-plus-JavaScript model.

Best Retool alternative for a free option

ToolJet

Open-source alternative with AI app generation and a free self-hosted edition.

Best Retool alternative for a free plan you can upgrade

UI Bakery

Cheaper per-developer pricing with self-hosting on every plan.

Best Retool alternative for open source

Budibase

Open-source, quicker for form-heavy CRUD apps and less code-centric.

Best Retool alternative for self-hosting

Windmill

Open-source platform that combines scripts, workflows and UIs for developers.

Best Retool alternative for Windows

Microsoft Power Apps

Fits companies standardised on Microsoft 365 and Dataverse.

Best Retool alternative for iPhone and Android

Microsoft Power Apps

Fits companies standardised on Microsoft 365 and Dataverse.

Best Retool alternative for working in the browser

Superblocks

Enterprise-focused rival with strong governance and AI app generation.

Retool alternatives: common questions

What is the best alternative to Retool?

Appsmith ranks first right now. Open-source and self-hostable, with a similar canvas-plus-JavaScript model. ToolJet and Budibase follow it in our ranking.

Is there a free alternative to Retool?

Yes. Appsmith (open source), ToolJet (open source), Budibase (open source) and Windmill (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Retool?

Yes: Appsmith, ToolJet, Budibase and Windmill. Appsmith, ToolJet and Budibase can also be self-hosted.

Why do people switch from Retool?

The complaints we hear most: per-user pricing gets expensive as usage spreads; needs developers comfortable with SQL and JavaScript; closed source, so you depend on Retool's roadmap.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Retool, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.