AppBreakup

Appian alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Appian: expensive, quote-based pricing, and needs trained developers. We ranked 5 alternatives by how directly each one replaces Appian, then by reviews, real visits and how recently each app's facts were checked against its own website. OutSystems currently ranks first.

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Show all 5 alternatives

The best Appian alternative for…

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

OutSystems logo

Best Appian alternative for most people

OutSystems

Enterprise low-code that is stronger for custom apps than for process automation.

Mendix logo

Best Appian alternative for a free plan you can upgrade

Mendix

Enterprise low-code with a free tier and published starting prices.

Retool logo

Best Appian alternative for self-hosting

Retool

Faster and cheaper for developer-built internal tools.

Microsoft Power Apps logo

Best Appian alternative for Windows

Microsoft Power Apps

Cheaper for Microsoft-centred organisations, with Power Automate for processes.

Zoho Creator logo

Best Appian alternative for iPhone and Android

Zoho Creator

Low-cost low-code with approval workflows for smaller companies.

OutSystems logo

Best Appian alternative for working in the browser

OutSystems

Enterprise low-code that is stronger for custom apps than for process automation.

Appian alternatives: common questions

What is the best alternative to Appian?

OutSystems ranks first right now. Enterprise low-code that is stronger for custom apps than for process automation. Mendix and Microsoft Power Apps follow it in our ranking.

Is there a free alternative to Appian?

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

Is there an open-source alternative to Appian?

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

Why do people switch from Appian?

The complaints we hear most: expensive, quote-based pricing; needs trained developers; overkill for simple internal tools.

How is this list ranked?

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