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APIs · head to head

Flybits vs Formance

Flybits logo

Flybits

APIs

Contextual personalisation and decisioning platform for financial institutions

From
On request
Rated
-
Full reviewWebsite
Formance logo

Formance

APIs

Open source double-entry ledger and payment orchestration for money-moving software

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Formance has a free tier, so it costs nothing to try first.
  • Each has a real cost: Flybits its output quality depends entirely on the completeness and accuracy of the underlying bank data it is fed, so a bank with fragmented or poor-quality customer data gets correspondingly weak personalisation.; Formance formance holds no money and provides no regulatory cover, so it must be paired with a payments provider or bank, and buyers occasionally mistake a ledger for a treasury system and discover the gap late.
  • They diverge on capability: Flybits covers Contextual decisioning engine, Formance covers Double-entry ledger.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Flybits and Formance actually diverge.

Attributes where Flybits and Formance differ
AttributeFlybitsFormance
Starting priceOn requestFree
Pricing modelquoteOpen source, no licence fee
Free tierNoYes
PlatformsWeb, iOS, AndroidLinux, Docker, Kubernetes, Web, API

Identical on both: 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 Flybits

  • Contextual decisioning engine
  • Non-technical configuration
  • Agentic Banking capability
  • Customer data unification
  • Card-linked offers
  • Real-time insight delivery

Only in Formance

  • Double-entry ledger
  • Numscript transaction DSL
  • Multi-currency
  • Payments connectivity
  • Reconciliation
  • Self-hosted deployment
  • Cloud offering
  • API and SDKs

What people use each for

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

Flybits

  • A bank wanting to move from generic segment-based marketing to individually contextual offers and messagesnot Formance
  • A product team wanting to configure personalisation rules without needing engineering support for every changenot Formance
  • A bank wanting card-linked contextual offers tied to transaction datanot Formance
  • A financial institution exploring an agentic AI interaction layer across cards, loans and depositsnot Formance

Formance

  • A marketplace splitting a single customer payment between seller, platform fee and tax that needs the split to be atomic and auditablenot Flybits
  • A fintech whose homegrown balances table produced numbers finance could not reconcile and now needs proper double-entry before an auditnot Flybits
  • A payments team that wants one normalised model across several PSPs so reconciliation is not written separately for eachnot Flybits
  • A company that wants its ledger under a licence it can keep running even if the vendor disappearsnot Flybits

Where each one falls short

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

Flybits

  • Its output quality depends entirely on the completeness and accuracy of the underlying bank data it is fed, so a bank with fragmented or poor-quality customer data gets correspondingly weak personalisation.
  • The newer Agentic Banking capability is recent enough that long-term reliability, accuracy and customer trust data at scale are still limited compared with its longer-established contextual decisioning engine.
  • Pricing is not published, requiring a licensing negotiation per institution.
  • As with Meniga, it is a white-label layer rather than a consumer-facing brand, making independent reputation and reliability harder for a prospective bank client to verify directly.
  • Expanding from a rules-based personalisation engine into agentic AI interaction is a significant scope and complexity increase, and a bank evaluating it today should confirm which capabilities are mature and in production versus newly launched.

Formance

  • Formance holds no money and provides no regulatory cover, so it must be paired with a payments provider or bank, and buyers occasionally mistake a ledger for a treasury system and discover the gap late.
  • Numscript is a domain-specific language your team must learn, and while it makes complex splits expressible it also means transaction logic sits outside the languages your engineers already debug well.
  • Self-hosting a ledger that must never lose or duplicate a transaction is a serious operational commitment covering backups, upgrades and Postgres tuning, which is real cost the zero licence fee hides.
  • Enterprise pricing is not published, so the difference between the free path and the supported path cannot be evaluated without a sales conversation.
  • The company is much smaller than the incumbent alternatives, and while the MIT licence protects the code it does not protect the roadmap, so features on the hosted side may arrive slowly or change direction.

Pricing, plan by plan

Flybits

On request
  • Flybits$undefined/year
    • Pricing not published, licensed per financial institution deployment

Formance

Free
  • Open SourceFree
    • MIT licensed core ledger
    • Numscript transaction DSL
    • Multi-currency tracking
  • Enterprise$undefined/year
    • Managed or private deployment
    • Payments connectivity and reconciliation
    • Support with response commitments

Which should you pick?

Choose Flybits if

  • You need contextual decisioning engine.
  • You work on Web, iOS, Android.
  • You also want non-technical configuration.
Flybits review

Choose Formance if

  • You need double-entry ledger.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Web, API.
  • You also want numscript transaction dsl.
Formance review

Questions people ask

Is Flybits or Formance better?
Neither clearly leads. Flybits starts at On request and Formance at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Flybits or Formance?
Formance has a free tier; the other does not. Paid plans start at On request for Flybits and Free for Formance.
Does Flybits or Formance run on more platforms?
Flybits runs on Web, iOS, Android. Formance runs on Linux, Docker, Kubernetes, Web, API.
Can I use Formance for free?
Yes. Formance has a free tier, so you can try it without paying. Flybits starts at On request.
What is Flybits best used for?
Flybits is most often used for a bank wanting to move from generic segment-based marketing to individually contextual offers and messages, a product team wanting to configure personalisation rules without needing engineering support for every change, a bank wanting card-linked contextual offers tied to transaction data, a financial institution exploring an agentic ai interaction layer across cards, loans and deposits. Of those, a bank wanting to move from generic segment-based marketing to individually contextual offers and messages and a product team wanting to configure personalisation rules without needing engineering support for every change are not what Formance is typically brought in for.
What can Flybits do that Formance cannot?
Flybits covers Contextual decisioning engine, Non-technical configuration, Agentic Banking capability, Customer data unification. Formance covers Double-entry ledger, Numscript transaction DSL, Multi-currency, Payments connectivity.

Answered from the vendors’ own pages

Flybits: Does Flybits require engineering support to run campaigns?

No, it is designed so marketing and product teams can configure personalisation rules directly.

Formance: Is Formance really open source?

Yes. The core ledger is MIT licensed with full source access and no deployment restrictions.

Flybits: What is Agentic Banking?

A newer Flybits capability introducing AI agents as an interaction layer unifying cards, loans and deposits into conversational banking experiences.

Formance: Does Formance move money?

No. It records and orchestrates movements; the actual payments happen at a PSP or bank you connect.

Flybits: Is pricing published?

No, it is licensed per financial institution and requires a quote.

Formance: What does the enterprise version cost?

Not published. It is an annual subscription quoted per customer.

Formance: Do I have to use Numscript?

Yes for anything beyond the simplest transfers. It is how multi-party transactions are expressed atomically.

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