Softwr

APIs · head to head

Unit vs Volt

Unit logo

Unit

APIs

Banking as a service platform for embedding deposit accounts, cards and payments, with a sponsor bank behind it

From
On request
Rated
-
Full reviewWebsite
Volt logo

Volt

APIs

Account-to-account pay by bank across Europe, the UK, Brazil and Australia

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Unit your product depends on a sponsor bank you do not contract with directly, and 2024 showed what that means: Thread Bank received an FDIC enforcement action naming its banking as a service programmes and Blue Ridge Bank went under an OCC consent order and offboarded fintech partners.; Volt account-to-account payments carry no chargeback mechanism, so consumers lose scheme dispute protection and merchants lose a familiar framework for handling claims.
  • They diverge on capability: Unit covers Deposit accounts, Volt covers Pay by bank.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Unit and Volt actually diverge.

Attributes where Unit and Volt differ
AttributeUnitVolt
PlatformsWeb, iOS, AndroidWeb, 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 Unit

  • Deposit accounts
  • Card issuing
  • Payments
  • White label components
  • Compliance operations
  • Lending
  • Programme reporting
  • Sandbox

Only in Volt

  • Pay by bank
  • Circuit Breaker
  • Virtual IBANs
  • Payouts and refunds
  • Verify
  • Stablecoin checkout

What people use each for

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

Unit

  • A vertical SaaS platform for contractors that wants to hold customer funds and issue expense cards without pursuing a charternot Volt
  • A payroll or benefits platform embedding accounts so employees can be paid ahead of schedulenot Volt
  • A marketplace that wants seller balances to sit in real accounts under its own brand rather than as ledger entries at a processornot Volt
  • A company that needs interchange revenue from a card programme to make the unit economics of its core product worknot Volt

Volt

  • A travel seller with high average order values paying percentage card fees it wants to replace with flat transfer feesnot Unit
  • An iGaming operator needing fast deposits and payouts where card acceptance is restrictednot Unit
  • A merchant with heavy card fraud that wants strongly authenticated irreversible paymentsnot Unit
  • A marketplace verifying seller bank accounts before paying outnot Unit

Where each one falls short

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

Unit

  • Your product depends on a sponsor bank you do not contract with directly, and 2024 showed what that means: Thread Bank received an FDIC enforcement action naming its banking as a service programmes and Blue Ridge Bank went under an OCC consent order and offboarded fintech partners.
  • Programme approval by the bank is a separate gate from signing with Unit, and it can add months and impose product restrictions that were not visible during the commercial conversation.
  • Compliance obligations are shared but the operational load lands on you, and platforms consistently underestimate the staffing needed for disputes, escalations and the bank ongoing oversight requests.
  • Pricing is unpublished and blends platform fees, per-account and per-transaction charges and interchange sharing, which makes it hard to model unit economics before you have volume and easy to be surprised by the minimum.
  • Migrating a live deposit programme to a different provider or bank is extremely disruptive because it involves moving customer accounts and card credentials, so switching costs are far higher than for ordinary software.

Volt

  • Account-to-account payments carry no chargeback mechanism, so consumers lose scheme dispute protection and merchants lose a familiar framework for handling claims.
  • Refunds are outbound payments rather than reversals, which changes treasury handling and means a refund can fail for reasons a card refund never would.
  • Conversion is lower than a stored card because the shopper must complete a bank authentication journey, and drop-off varies significantly by bank.
  • Core pay by bank pricing is per transaction but refunds, payouts, virtual IBANs, Verify and fraud tooling are billed separately, so the real cost is a stack of line items.
  • Bank API availability and quality vary across markets, and an outage at a major bank removes a slice of your checkout with no fallback unless you keep cards live.

Pricing, plan by plan

Unit

On request
  • Unit Banking as a Service$undefined/year
    • Platform fee plus per-account and per-transaction charges, quoted
    • Interchange sharing arrangements negotiated per programme
    • Minimum commitment typical

Volt

On request
  • Volt pay by bank$undefined/year
    • Per successful transaction fee, quoted by volume and market
    • Separate charges for refunds, payouts, virtual IBANs and Verify
    • Circuit Breaker fraud tooling priced as an add-on

Which should you pick?

Choose Unit if

  • You need deposit accounts.
  • You work on Web, iOS, Android.
  • You also want card issuing.
Unit review

Choose Volt if

  • You need pay by bank.
  • You work on Web, REST API.
  • You also want circuit breaker.
Volt review

Questions people ask

Is Unit or Volt better?
Neither clearly leads. Unit starts at On request and Volt at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Unit or Volt?
Unit starts at On request and Volt at On request.
Does Unit or Volt run on more platforms?
Unit runs on Web, iOS, Android. Volt runs on Web, REST API.
What is Unit best used for?
Unit is most often used for a vertical saas platform for contractors that wants to hold customer funds and issue expense cards without pursuing a charter, a payroll or benefits platform embedding accounts so employees can be paid ahead of schedule, a marketplace that wants seller balances to sit in real accounts under its own brand rather than as ledger entries at a processor, a company that needs interchange revenue from a card programme to make the unit economics of its core product work. Of those, a vertical saas platform for contractors that wants to hold customer funds and issue expense cards without pursuing a charter and a payroll or benefits platform embedding accounts so employees can be paid ahead of schedule are not what Volt is typically brought in for.
What can Unit do that Volt cannot?
Unit covers Deposit accounts, Card issuing, Payments, White label components. Volt covers Pay by bank, Circuit Breaker, Virtual IBANs, Payouts and refunds.

Answered from the vendors’ own pages

Unit: Who actually holds the money?

A chartered partner bank, not Unit. Deposits sit at the sponsor bank and FDIC insurance flows from that bank, so its condition is your condition.

Volt: Are there chargebacks?

No. Bank transfers are irrevocable, so disputes are handled commercially between merchant and customer, not through a card scheme.

Unit: What happened with Unit sponsor banks in 2024?

Thread Bank received an FDIC enforcement action that explicitly named its banking as a service and lending as a service programmes, and Blue Ridge Bank was under an OCC consent order from January 2024 and offboarded fintech partners. Blue Ridge exited the order in late 2025.

Volt: How do refunds work?

As a separate outbound payment initiated by the merchant, which Volt charges for separately from the inbound transaction.

Unit: What does Unit cost?

Not published. Expect a platform fee, per-account and per-transaction charges, an interchange share and a minimum commitment.

Volt: Which markets are covered?

Europe and the UK, plus Brazil and Australia, on a single API integration.

Unit: Do we need our own compliance team?

Yes. Unit supplies tooling and the bank sets the rules, but disputes, escalations and evidence for bank oversight require named people on your side.

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