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Mendix vs Temenos Transact

Mendix logo

Mendix

No-Code

Siemens-owned low-code platform priced by app count, with cloud infrastructure billed separately

From
Free
Rated
-
Full reviewWebsite
Temenos Transact logo

Temenos Transact

APIs

Established core banking system used by banks in over a hundred countries

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Mendix has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mendix the platform fee explicitly excludes compute and infrastructure costs, so the real all-in bill is the subscription plus a separate, less predictable cloud hosting charge.; Temenos Transact the codebase originates in the 1990s, so banks on older releases face major upgrade programmes to reach current versions, and many defer them for years.
  • They diverge on capability: Mendix covers Visual app and process modelling, Temenos Transact covers Country model banks.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Mendix and Temenos Transact actually diverge.

Attributes where Mendix and Temenos Transact differ
AttributeMendixTemenos Transact
Starting priceFreeOn request
Pricing modelPer application tier (One App vs Unlimited Apps), cloud infrastructure billed separatelyquote
Free tierYesNo
PlatformsWeb, iOS, AndroidWeb, Linux, Windows, REST API
CategoryNo-CodeAPIs

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Mendix

  • Visual app and process modelling
  • Free tier
  • Multi-cloud deployment
  • AI-assisted development
  • Native mobile builder
  • Marketplace connectors

Only in Temenos Transact

  • Country model banks
  • Multi-product core
  • Payments processing
  • API layer
  • Cloud deployment
  • Accounting engine

What people use each for

The jobs each tool is most often brought in to do.

Mendix

  • A Siemens industrial software customer extending into application development on a platform already inside its vendor ecosystemnot Temenos Transact
  • A company building exactly one production app that wants the lower One App tier rather than paying for unlimited apps it does not neednot Temenos Transact
  • An enterprise standardising on Mendix across many departments where the Unlimited Apps tier amortises wellnot Temenos Transact
  • A team wanting to evaluate low-code at zero cost before committing to a paid production tiernot Temenos Transact

Temenos Transact

  • A bank in an emerging market needing local regulatory compliance without building it from scratchnot Mendix
  • An institution running Islamic banking products alongside conventional ones on one corenot Mendix
  • A bank that needs a large pool of experienced implementation consultants to de-risk a migrationnot Mendix
  • A group standardising subsidiaries in several countries onto one core banking systemnot Mendix

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Mendix

  • The platform fee explicitly excludes compute and infrastructure costs, so the real all-in bill is the subscription plus a separate, less predictable cloud hosting charge.
  • The jump from a free or One App tier to Unlimited Apps is a large discrete price step (roughly 918 to 2,295 euros a month at published starting rates), not a gradual scale-up, which punishes a team that grows from one app to two.
  • Being a Siemens business unit means Mendix roadmap priorities can be shaped by Siemens' broader industrial software strategy rather than purely by low-code market demand.
  • Deployment flexibility across Mendix Cloud, Azure, Kubernetes and SAP BTP is a strength on paper but means the actual infrastructure cost and complexity vary significantly by choice, complicating like-for-like vendor comparisons.
  • Premium-tier features and enterprise governance capabilities are quote-only, so a buyer cannot fully compare Mendix's top tier against OutSystems or Appian without entering a sales process.

Temenos Transact

  • The codebase originates in the 1990s, so banks on older releases face major upgrade programmes to reach current versions, and many defer them for years.
  • Total cost is dominated by implementation partner fees rather than licence, and those programmes routinely overrun their original estimates.
  • Product changes that cloud-native cores treat as configuration can require development work and a release cycle, which slows time to market for new products.
  • Heavy customisation is common and it makes every subsequent upgrade harder, creating a compounding cost that banks feel a decade after go-live.
  • Temenos has repeatedly restructured its product line and naming, so buyers must check carefully which components a proposal actually includes and which are separately licensed.

Pricing, plan by plan

Mendix

Free
  • FreeFree
    • Unlimited users on one deployment environment
    • No commitment or credit card required
    • Suitable for evaluation and small-scale use
  • Standard, One App$undefined/month
    • Licenses a single application in production
    • Cloud deployment and standard support options
    • Compute and infrastructure costs billed separately
  • Standard, Unlimited Apps$undefined/month
    • Licenses unlimited applications under one subscription
    • Per-user cost declines as user volume grows
    • Discounted external (B2B/B2C) user rates available
  • Premium$undefined/month
    • Custom quote
    • Enterprise-grade governance and 24/7 support
    • Advanced deployment and compliance options

Temenos Transact

On request
  • Temenos Transact$undefined/year
    • Perpetual or subscription licence scaled by assets, accounts or users
    • Annual maintenance typically a percentage of licence value
    • Implementation delivered by partners and charged separately

Which should you pick?

Choose Mendix if

  • You need visual app and process modelling.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want free tier.
Mendix review

Choose Temenos Transact if

  • You need country model banks.
  • You work on Web, Linux, Windows, REST API.
  • You also want multi-product core.
Temenos Transact review

Questions people ask

Is Mendix or Temenos Transact better?
Neither clearly leads. Mendix starts at Free and Temenos Transact at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mendix or Temenos Transact?
Mendix has a free tier; the other does not. Paid plans start at Free for Mendix and On request for Temenos Transact.
Does Mendix or Temenos Transact run on more platforms?
Mendix runs on Web, iOS, Android. Temenos Transact runs on Web, Linux, Windows, REST API.
Can I use Mendix for free?
Yes. Mendix has a free tier, so you can try it without paying. Temenos Transact starts at On request.
What is Mendix best used for?
Mendix is most often used for a siemens industrial software customer extending into application development on a platform already inside its vendor ecosystem, a company building exactly one production app that wants the lower one app tier rather than paying for unlimited apps it does not need, an enterprise standardising on mendix across many departments where the unlimited apps tier amortises well, a team wanting to evaluate low-code at zero cost before committing to a paid production tier. Of those, a siemens industrial software customer extending into application development on a platform already inside its vendor ecosystem and a company building exactly one production app that wants the lower one app tier rather than paying for unlimited apps it does not need are not what Temenos Transact is typically brought in for.
What can Mendix do that Temenos Transact cannot?
Mendix covers Visual app and process modelling, Free tier, Multi-cloud deployment, AI-assisted development. Temenos Transact covers Country model banks, Multi-product core, Payments processing, API layer.

Answered from the vendors’ own pages

Mendix: What is the difference between One App and Unlimited Apps?

One App licenses a single application in production; Unlimited Apps covers any number of apps under one subscription, at a materially higher starting price.

Temenos Transact: Is Transact the same as T24?

Yes. T24 was renamed Temenos Transact; older installations and much of the consultant population still use the T24 name.

Mendix: Does the licence include hosting?

No. Mendix states explicitly that compute and infrastructure resources are billed separately from the platform licence, regardless of deployment target.

Temenos Transact: Can it run in the cloud?

Yes, it is offered on public cloud, though many existing installations remain on-premises and moving them is a project.

Mendix: Who owns Mendix?

Siemens, which acquired Mendix in 2018 and runs it as part of its industrial software portfolio.

Temenos Transact: What drives the cost?

Licence scaled by size, annual maintenance as a percentage of licence, and implementation partner fees that usually exceed the software cost.

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