OutSystems alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave OutSystems: quote-based pricing that is expensive for small teams, and requires trained developers. We ranked 5 alternatives by how directly each one replaces OutSystems, then by reviews, real visits and how recently each app's facts were checked against its own website. Mendix 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	62.6

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
62.6
score / 100
Why switch from OutSystems
Cheaper for Microsoft-centred organisations with simpler apps.
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 ×0.387
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 OutSystems 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 OutSystems alternative for…

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

Best OutSystems alternative for most people

Mendix

The closest enterprise rival, with transparent starting prices and a free tier.

Best OutSystems alternative for a free option

Oracle APEX

Low-code on Oracle Database at no extra licence cost.

Best OutSystems alternative for a free plan you can upgrade

Retool

Faster for developer-built internal tools without a full platform.

Best OutSystems alternative for self-hosting

Retool

Faster for developer-built internal tools without a full platform.

Best OutSystems alternative for Windows

Microsoft Power Apps

Cheaper for Microsoft-centred organisations with simpler apps.

Best OutSystems alternative for iPhone and Android

Mendix

The closest enterprise rival, with transparent starting prices and a free tier.

Best OutSystems alternative for working in the browser

Superblocks

AI-generated internal apps with enterprise governance.

OutSystems alternatives: common questions

What is the best alternative to OutSystems?

Mendix ranks first right now. The closest enterprise rival, with transparent starting prices and a free tier. Microsoft Power Apps and Retool follow it in our ranking.

Is there a free alternative to OutSystems?

Yes. Mendix (free plan + paid), Retool (free plan + paid) and Oracle APEX (free) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to OutSystems?

None of the 5 alternatives in this list is open source.

Why do people switch from OutSystems?

The complaints we hear most: quote-based pricing that is expensive for small teams; requires trained developers; significant platform lock-in.

How is this list ranked?

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