Softwr

APIs · head to head

Mambu vs Trustly

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
Trustly logo

Trustly

APIs

Pay-by-bank payments network, majority-owned by private equity firm Nordic Capital

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  • Each has a real cost: Mambu pricing is entirely unpublished, and as subscription and usage-based fees scale with a bank's book of business, total cost at scale is hard to forecast before a detailed vendor conversation.; Trustly it is majority-owned by Nordic Capital, a private equity firm, so its long-term roadmap is ultimately oriented toward an eventual sale or IPO rather than indefinite independent operation.
  • They diverge on capability: Mambu covers Composable engine architecture, Trustly covers Pay by bank checkout.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Mambu and Trustly actually diverge.

Attributes where Mambu and Trustly differ
AttributeMambuTrustly

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 Trustly

  • Pay by bank checkout
  • Instant refunds
  • Verified payouts
  • Multi-market bank connectivity
  • Merchant dashboard and reconciliation
  • Fraud and risk tooling

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 Trustly
  • A lender needing configurable loan product engines to launch new credit products fasternot Trustly
  • An established bank doing incremental core modernisation rather than a full monolithic core replacementnot Trustly
  • A fintech in an emerging or regulated market needing pre-built compliance configuration across many jurisdictionsnot Trustly

Trustly

  • An e-commerce merchant wanting a lower-cost alternative or complement to card payment acceptancenot Mambu
  • A gaming or gambling operator needing verified, instant payouts to players' bank accountsnot Mambu
  • A merchant wanting instant refunds processed directly to a customer's bank account rather than card reversal delaysnot Mambu
  • A business in a market with strong open banking adoption wanting pay-by-bank as a checkout optionnot 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.

Trustly

  • It is majority-owned by Nordic Capital, a private equity firm, so its long-term roadmap is ultimately oriented toward an eventual sale or IPO rather than indefinite independent operation.
  • Consumer familiarity with paying by bank transfer still lags card payments in most markets, so merchants typically see it used as a secondary option rather than a full card replacement.
  • The 1.15 to 3.15% merchant fee range is not a single published rate, so a merchant cannot know its actual cost without a sales negotiation.
  • As with all open banking-dependent payment methods, reliability depends on the consistency of the underlying banks' own APIs, which Trustly does not control.
  • Its verified payout functionality is heavily used in gaming and gambling, a sector with additional regulatory scrutiny, which is worth factoring in when evaluating vendor risk exposure by association.

Pricing, plan by plan

Mambu

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

Trustly

On request
  • Trustly$undefined/month
    • Typical merchant cost of 1.15% to 3.15% depending on volume and market
    • Exact rate negotiated per merchant, not published as a flat card

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 Trustly if

  • You need pay by bank checkout.
  • You work on Web, API.
  • You also want instant refunds.
Trustly review

Questions people ask

Is Mambu or Trustly better?
Neither clearly leads. Mambu starts at On request and Trustly at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mambu or Trustly?
Mambu starts at On request and Trustly at On request.
Does Mambu or Trustly 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 Trustly is typically brought in for.
What can Mambu do that Trustly cannot?
Mambu covers Composable engine architecture, Deposits and lending core, Cloud-native SaaS delivery, Marketplace of connectors. Trustly covers Pay by bank checkout, Instant refunds, Verified payouts, Multi-market bank connectivity.

Answered from the vendors’ own pages

Mambu: Is Mambu on-premise or cloud?

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

Trustly: Who owns Trustly?

Nordic Capital, a private equity firm, holds a 51.1% majority stake; Alfven & Didrikson and BlackRock hold smaller stakes.

Mambu: Does it publish pricing?

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

Trustly: Is Trustly going public?

It has discussed an IPO but as of its most recent comments said one remained at least a year away.

Mambu: How many countries does it operate in?

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

Trustly: What does it typically cost a merchant?

Roughly 1.15% to 3.15% of transaction value depending on volume and market, negotiated per merchant.

Share

Related pages

More on Mambu

More on Trustly

Keep looking

Other head to heads