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APIs · head to head

Temenos Transact vs Zimpler

Temenos Transact logo

Temenos Transact

APIs

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

From
On request
Rated
-
Full reviewWebsite
Zimpler logo

Zimpler

APIs

Nordic and Brazilian account-to-account payments for regulated high-risk sectors

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: 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.; Zimpler pricing is not published and is set by industry and risk profile, so smaller merchants cannot benchmark a quote and often discover they are paying well above a general-purpose provider.
  • They diverge on capability: Temenos Transact covers Country model banks, Zimpler covers Bank payments.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

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

Attributes where Temenos Transact and Zimpler differ
AttributeTemenos TransactZimpler
PlatformsWeb, Linux, Windows, REST APIWeb, REST 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 Temenos Transact

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

Only in Zimpler

  • Bank payments
  • BankID identity
  • Payouts
  • Recurring payments
  • Risk screening
  • Brazil coverage

What people use each for

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

Temenos Transact

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

Zimpler

  • A Swedish gambling operator needing deposit and verified identity in a single customer flownot Temenos Transact
  • A Nordic merchant wanting instant bank payouts rather than card refundsnot Temenos Transact
  • A trading platform where confirming account ownership before funding is a regulatory requirementnot Temenos Transact
  • A European operator expanding into Brazil and wanting one provider across both marketsnot Temenos Transact

Where each one falls short

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

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.

Zimpler

  • Pricing is not published and is set by industry and risk profile, so smaller merchants cannot benchmark a quote and often discover they are paying well above a general-purpose provider.
  • As a payment facilitator carrying merchant risk, it declines or offboards merchants on risk grounds, which makes it a dependency you cannot assume will persist.
  • Its strength is concentrated in the Nordics, and coverage in southern and eastern Europe is thinner than pan-European account-to-account specialists.
  • Revenue concentration in iGaming ties the provider to a sector under constant regulatory change, so licence changes in one market affect the supplier as well as the merchant.
  • Bank transfers have no chargeback protection, so disputes are handled commercially and consumers used to card protections may resist the payment method.

Pricing, plan by plan

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

Zimpler

On request
  • Zimpler payments$undefined/year
    • Per-transaction pricing quoted by industry, risk and volume
    • Separate pricing for payouts and identity verification
    • Merchant underwriting required, with sector restrictions

Which should you pick?

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

Choose Zimpler if

  • You need bank payments.
  • You work on Web, REST API.
  • You also want bankid identity.
Zimpler review

Questions people ask

Is Temenos Transact or Zimpler better?
Neither clearly leads. Temenos Transact starts at On request and Zimpler at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Temenos Transact or Zimpler?
Temenos Transact starts at On request and Zimpler at On request.
Does Temenos Transact or Zimpler run on more platforms?
Temenos Transact runs on Web, Linux, Windows, REST API. Zimpler runs on Web, REST API.
What is Temenos Transact best used for?
Temenos Transact is most often used for a bank in an emerging market needing local regulatory compliance without building it from scratch, an institution running islamic banking products alongside conventional ones on one core, a bank that needs a large pool of experienced implementation consultants to de-risk a migration, a group standardising subsidiaries in several countries onto one core banking system. Of those, a bank in an emerging market needing local regulatory compliance without building it from scratch and an institution running islamic banking products alongside conventional ones on one core are not what Zimpler is typically brought in for.
What can Temenos Transact do that Zimpler cannot?
Temenos Transact covers Country model banks, Multi-product core, Payments processing, API layer. Zimpler covers Bank payments, BankID identity, Payouts, Recurring payments.

Answered from the vendors’ own pages

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.

Zimpler: Which markets does Zimpler cover?

Sweden and the Nordics primarily, plus the wider EU and Brazil. It is strongest where national electronic identity schemes exist.

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.

Zimpler: Does it handle identity verification?

Yes. In the Nordics it captures BankID identity alongside the payment, which removes a separate verification step.

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.

Zimpler: Is pricing published?

No. It is quoted per merchant based on sector, risk and volume, and merchants must pass underwriting first.

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