OutSystems alternatives: 5 apps ranked by verified data
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.
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Show all 5 alternativesThe best OutSystems alternative for…
The highest-ranked app in this list for each need.
Best OutSystems alternative for most people
MendixThe closest enterprise rival, with transparent starting prices and a free tier.
Best OutSystems alternative for a free option
Oracle APEXLow-code on Oracle Database at no extra licence cost.
Best OutSystems alternative for a free plan you can upgrade
RetoolFaster for developer-built internal tools without a full platform.
Best OutSystems alternative for self-hosting
RetoolFaster for developer-built internal tools without a full platform.
Best OutSystems alternative for Windows
Microsoft Power AppsCheaper for Microsoft-centred organisations with simpler apps.
Best OutSystems alternative for iPhone and Android
MendixThe closest enterprise rival, with transparent starting prices and a free tier.
Best OutSystems alternative for working in the browser
SuperblocksAI-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.