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APIs · head to head

Mambu vs Tuum

Mambu logo

Mambu

APIs

Composable cloud core banking platform used by banks, lenders and fintechs in 65-plus countries

From
On request
Rated
-
Full reviewWebsite
Tuum logo

Tuum

APIs

Modular core banking platform from Estonia, formerly branded Modularbank

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Mambu pricing is entirely unpublished, and as subscription and usage-based fees scale with a bank's book of business, total cost at scale is hard to forecast before a detailed vendor conversation.; Tuum it is a smaller, younger company than Mambu, so it has fewer live reference deployments and a shorter track record to evaluate risk against.
  • They diverge on capability: Mambu covers Composable engine architecture, Tuum covers Modular product structure.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Mambu and Tuum actually diverge.

Attributes where Mambu and Tuum differ
AttributeMambuTuum

Identical on both: starting price (On request), pricing model (quote), free tier (No), platforms (Web, API), user rating (Not yet rated), category (APIs).

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 Mambu

  • Composable engine architecture
  • Deposits and lending core
  • Cloud-native SaaS delivery
  • Marketplace of connectors
  • Multi-country regulatory support
  • API-first orchestration

Only in Tuum

  • Modular product structure
  • Low-code integration middleware
  • Cloud-agnostic deployment
  • Multi-currency real-time accounts
  • Cards and lending modules
  • Faster migration timeline

What people use each for

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

Mambu

  • A digital-first challenger bank wanting a cloud-native core without building banking infrastructure from scratchnot Tuum
  • A lender needing configurable loan product engines to launch new credit products fasternot Tuum
  • An established bank doing incremental core modernisation rather than a full monolithic core replacementnot Tuum
  • A fintech in an emerging or regulated market needing pre-built compliance configuration across many jurisdictionsnot Tuum

Tuum

  • A bank wanting to migrate specific banking products to the cloud within months rather than replacing its entire core at oncenot Mambu
  • A fintech in the DACH region or Middle East wanting a European core banking vendor with regional expansion focusnot Mambu
  • An institution wanting low-code middleware to connect new modules to an existing legacy core rather than a full rebuildnot Mambu
  • A company researching "Modularbank" that needs to confirm it is the same company now branded Tuumnot Mambu

Where each one falls short

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

Mambu

  • Pricing is entirely unpublished, and as subscription and usage-based fees scale with a bank's book of business, total cost at scale is hard to forecast before a detailed vendor conversation.
  • A core banking implementation is a multi-year, high-switching-cost commitment regardless of vendor, and Mambu is no exception; a wrong initial configuration choice is expensive to unwind.
  • Composability is a genuine strength but also means more integration and configuration decisions fall to the bank's own team or system integrator, versus a more opinionated, less flexible fixed-core alternative.
  • As cloud-hosted core banking infrastructure, a bank is trusting Mambu's own uptime and security posture for its most business-critical system, concentrating operational risk in one vendor relationship.
  • Newer entrants such as Thought Machine and 10x Banking compete directly on similar composable positioning, so Mambu's tenure advantage is real but narrowing as competitors mature.

Tuum

  • It is a smaller, younger company than Mambu, so it has fewer live reference deployments and a shorter track record to evaluate risk against.
  • The 2022-era rebrand from Modularbank to Tuum means older funding records, case studies and press coverage appear under a different name, complicating due diligence for anyone unaware of the change.
  • Pricing is entirely unpublished, requiring a sales conversation to budget against competing composable core vendors.
  • Its geographic expansion into DACH and the Middle East is comparatively recent, so support depth and local regulatory expertise in those markets are less proven than in its home Baltic and Nordic base.
  • As with any core banking platform, choosing Tuum is a multi-year infrastructure commitment; switching cores after implementation is a major undertaking regardless of how modular the initial adoption was.

Pricing, plan by plan

Mambu

On request
  • Mambu$undefined/year
    • Subscription pricing, structured by modules and usage
    • Exact rates not published, custom quote required

Tuum

On request
  • Tuum$undefined/year
    • Subscription and module-based pricing, not published
    • Custom quote required via sales

Which should you pick?

Choose Mambu if

  • You need composable engine architecture.
  • You work on Web, API.
  • You also want deposits and lending core.
Mambu review

Choose Tuum if

  • You need modular product structure.
  • You work on Web, API.
  • You also want low-code integration middleware.
Tuum review

Questions people ask

Is Mambu or Tuum better?
Neither clearly leads. Mambu starts at On request and Tuum at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mambu or Tuum?
Mambu starts at On request and Tuum at On request.
Does Mambu or Tuum run on more platforms?
Both run on Web, API, so platform support will not decide this one for you.
What is Mambu best used for?
Mambu is most often used for a digital-first challenger bank wanting a cloud-native core without building banking infrastructure from scratch, a lender needing configurable loan product engines to launch new credit products faster, an established bank doing incremental core modernisation rather than a full monolithic core replacement, a fintech in an emerging or regulated market needing pre-built compliance configuration across many jurisdictions. Of those, a digital-first challenger bank wanting a cloud-native core without building banking infrastructure from scratch and a lender needing configurable loan product engines to launch new credit products faster are not what Tuum is typically brought in for.
What can Mambu do that Tuum cannot?
Mambu covers Composable engine architecture, Deposits and lending core, Cloud-native SaaS delivery, Marketplace of connectors. Tuum covers Modular product structure, Low-code integration middleware, Cloud-agnostic deployment, Multi-currency real-time accounts.

Answered from the vendors’ own pages

Mambu: Is Mambu on-premise or cloud?

Cloud-native SaaS delivery, not an on-premise installation.

Tuum: Is Tuum the same company as Modularbank?

Yes, Modularbank rebranded to Tuum; it is the same company and platform.

Mambu: Does it publish pricing?

No, pricing is subscription-based, structured by modules and usage, but not published publicly.

Tuum: Where is it strongest geographically?

Its base is Estonia and the Nordic and Baltic region, with newer expansion into DACH and the Middle East.

Mambu: How many countries does it operate in?

It is used by banks, lenders and fintechs across more than 65 countries.

Tuum: Is pricing published?

No, subscription and module pricing require a sales conversation.

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