Softwr

APIs · head to head

Backbase vs Tuum

Backbase logo

Backbase

APIs

Digital and AI-native engagement banking platform for customer-facing banking experiences

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: Backbase pricing scales with assets under management and AI API calls, meaning cost grows as the bank itself grows and adopts more AI features, which is a less predictable cost curve than a flat per-seat model.; 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: Backbase covers Digital banking front end, Tuum covers Modular product structure.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Backbase and Tuum actually diverge.

Attributes where Backbase and Tuum differ
AttributeBackbaseTuum
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 Backbase

  • Digital banking front end
  • Digital onboarding
  • Customer engagement workflows
  • AI-native banking OS positioning
  • Core-agnostic integration
  • Small business banking modules

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.

Backbase

  • An established bank wanting to modernise its digital customer experience without replacing its core banking systemnot Tuum
  • A credit union wanting purpose-built digital onboarding and servicing workflowsnot Tuum
  • A newer bank wanting an engagement layer built for AI-driven interaction from the outsetnot Tuum
  • A bank consolidating several separate digital banking front ends into one platform across retail and business bankingnot Tuum

Tuum

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

Where each one falls short

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

Backbase

  • Pricing scales with assets under management and AI API calls, meaning cost grows as the bank itself grows and adopts more AI features, which is a less predictable cost curve than a flat per-seat model.
  • It sits above, not instead of, a core banking system, so adopting it does not reduce a bank's overall vendor count or technology complexity; it adds a specialised layer.
  • As with any customer-facing banking platform, an outage or performance issue directly affects the bank's customers, so the operational stakes of vendor reliability are high.
  • Implementation for a large bank spans multiple modules and integration points, and realistic timelines run well beyond a simple software rollout.
  • Pricing opacity means a bank cannot benchmark Backbase against competing engagement banking platforms without engaging each vendor's own sales process separately.

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

Backbase

On request
  • Backbase$undefined/year
    • Pricing scales with users, modules, assets under management and AI API calls
    • Custom quote required, not published

Tuum

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

Which should you pick?

Choose Backbase if

  • You need digital banking front end.
  • You work on Web, iOS, Android.
  • You also want digital onboarding.
Backbase 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 Backbase or Tuum better?
Neither clearly leads. Backbase 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, Backbase or Tuum?
Backbase starts at On request and Tuum at On request.
Does Backbase or Tuum run on more platforms?
Backbase runs on Web, iOS, Android. Tuum runs on Web, API.
What is Backbase best used for?
Backbase is most often used for an established bank wanting to modernise its digital customer experience without replacing its core banking system, a credit union wanting purpose-built digital onboarding and servicing workflows, a newer bank wanting an engagement layer built for ai-driven interaction from the outset, a bank consolidating several separate digital banking front ends into one platform across retail and business banking. Of those, an established bank wanting to modernise its digital customer experience without replacing its core banking system and a credit union wanting purpose-built digital onboarding and servicing workflows are not what Tuum is typically brought in for.
What can Backbase do that Tuum cannot?
Backbase covers Digital banking front end, Digital onboarding, Customer engagement workflows, AI-native banking OS positioning. Tuum covers Modular product structure, Low-code integration middleware, Cloud-agnostic deployment, Multi-currency real-time accounts.

Answered from the vendors’ own pages

Backbase: Does Backbase replace our core banking system?

No, it is a customer engagement layer that sits above and integrates with an existing core banking system.

Tuum: Is Tuum the same company as Modularbank?

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

Backbase: How does pricing work?

It scales with factors including number of users, modules implemented, assets under management and AI API calls; exact numbers require a quote.

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.

Backbase: Is it suited to business as well as retail banking?

Yes, it includes modules specifically for small business banking engagement alongside retail.

Tuum: Is pricing published?

No, subscription and module pricing require a sales conversation.

Share

Related pages

More on Backbase

More on Tuum

Keep looking

Other head to heads