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APIs · head to head

Q2 Digital Banking vs Tuum

Q2 Digital Banking logo

Q2 Digital Banking

APIs

Digital banking platform for US banks and credit unions, with a developer marketplace

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: Q2 Digital Banking contracts are multi-year and priced per user or account, so a bank whose digital adoption grows faster than its revenue sees costs rise ahead of the benefit.; 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: Q2 Digital Banking covers Retail digital banking, Tuum covers Modular product structure.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Q2 Digital Banking and Tuum actually diverge.

Attributes where Q2 Digital Banking and Tuum differ
AttributeQ2 Digital BankingTuum
PlatformsWeb, iOS, AndroidWeb, API

Identical on both: starting price (On request), pricing model (quote), free tier (No), 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 Q2 Digital Banking

  • Retail digital banking
  • Commercial and treasury
  • Innovation Studio
  • SDK
  • Fraud analytics
  • Onboarding

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.

Q2 Digital Banking

  • A community bank whose mobile app is losing younger customers to national brandsnot Tuum
  • A credit union that wants to add partner features without a vendor roadmap requestnot Tuum
  • A bank chasing commercial deposits and needing real treasury management entitlementsnot Tuum
  • An institution wanting behavioural fraud detection across digital channels rather than at the corenot Tuum

Tuum

  • A bank wanting to migrate specific banking products to the cloud within months rather than replacing its entire core at oncenot Q2 Digital Banking
  • A fintech in the DACH region or Middle East wanting a European core banking vendor with regional expansion focusnot Q2 Digital Banking
  • An institution wanting low-code middleware to connect new modules to an existing legacy core rather than a full rebuildnot Q2 Digital Banking
  • A company researching "Modularbank" that needs to confirm it is the same company now branded Tuumnot Q2 Digital Banking

Where each one falls short

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

Q2 Digital Banking

  • Contracts are multi-year and priced per user or account, so a bank whose digital adoption grows faster than its revenue sees costs rise ahead of the benefit.
  • It is a channel layer, not a core, so any limitation in the underlying core banking system remains and integration work sits with the bank.
  • Implementations are long and consume scarce internal technology capacity at institutions that typically have very small IT teams.
  • Marketplace applications carry separate third-party contracts and fees, so the extensibility that justifies the purchase adds cost rather than being included.
  • It is US-only, and its assumptions about payment rails, regulation and account structures do not transfer to institutions outside the United States.

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

Q2 Digital Banking

On request
  • Q2 Digital Banking$undefined/year
    • Multi-year contract priced per registered user or per account
    • Separate licensing for retail, commercial and onboarding modules
    • Implementation and core integration charged as a project

Tuum

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

Which should you pick?

Choose Q2 Digital Banking if

  • You need retail digital banking.
  • You work on Web, iOS, Android.
  • You also want commercial and treasury.
Q2 Digital Banking 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 Q2 Digital Banking or Tuum better?
Neither clearly leads. Q2 Digital Banking 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, Q2 Digital Banking or Tuum?
Q2 Digital Banking starts at On request and Tuum at On request.
Does Q2 Digital Banking or Tuum run on more platforms?
Q2 Digital Banking runs on Web, iOS, Android. Tuum runs on Web, API.
What is Q2 Digital Banking best used for?
Q2 Digital Banking is most often used for a community bank whose mobile app is losing younger customers to national brands, a credit union that wants to add partner features without a vendor roadmap request, a bank chasing commercial deposits and needing real treasury management entitlements, an institution wanting behavioural fraud detection across digital channels rather than at the core. Of those, a community bank whose mobile app is losing younger customers to national brands and a credit union that wants to add partner features without a vendor roadmap request are not what Tuum is typically brought in for.
What can Q2 Digital Banking do that Tuum cannot?
Q2 Digital Banking covers Retail digital banking, Commercial and treasury, Innovation Studio, SDK. Tuum covers Modular product structure, Low-code integration middleware, Cloud-agnostic deployment, Multi-currency real-time accounts.

Answered from the vendors’ own pages

Q2 Digital Banking: Does Q2 replace our core banking system?

No. It is the digital channel layer that sits over your existing core and integrates with the major US core providers.

Tuum: Is Tuum the same company as Modularbank?

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

Q2 Digital Banking: What is Innovation Studio?

A marketplace and SDK that lets a bank enable partner applications or build its own features without waiting for Q2 to develop them.

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.

Q2 Digital Banking: Is it available outside the United States?

Not meaningfully. The platform is built around US banking rails, regulation and institution types.

Tuum: Is pricing published?

No, subscription and module pricing require a sales conversation.

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