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Accounting · head to head

IRIS KashFlow vs Plaid

IRIS KashFlow logo

IRIS KashFlow

Accounting

Online accounting software for UK sole traders and small businesses

From
£13.5/month
Rated
-
Full reviewWebsite
Plaid logo

Plaid

Accounting

The safer way to connect financial accounts

From
$29/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: IRIS KashFlow advertised monthly prices of £1.35 (Starter) and £2.75 (Business) are a 90% promotional discount off the standard £13.50 and £27.50 rates, and the promotion is described as lasting 6 months before reverting; Plaid no dollar amount is published for any product, and the pricing page states no per request rate or minimum commitment
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which IRIS KashFlow and Plaid actually diverge.

Attributes where IRIS KashFlow and Plaid differ
AttributeIRIS KashFlowPlaid
Starting price£13.5/month$29/month
Pricing modelsubscriptionusage-based
PlatformsWebApi, Web, Ios, Android
FoundedUnknown2013

Identical on both: free tier (No), user rating (Not yet rated), category (Accounting).

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 IRIS KashFlow

Nothing recorded that Plaid does not also cover.

Only in Plaid

  • Bank account linking
  • Transaction data
  • Identity verification
  • Income verification
  • Asset reports
  • Venmo
  • Robinhood
  • Coinbase

What people use each for

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

IRIS KashFlow

  • business accountingnot Plaid
  • invoicing and billingnot Plaid
  • VAT managementnot Plaid

Plaid

  • Connecting bank accounts to an application for balances and transactionsnot IRIS KashFlow
  • Verifying account ownership and income for payments or lendingnot IRIS KashFlow

Where each one falls short

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

IRIS KashFlow

  • Advertised monthly prices of £1.35 (Starter) and £2.75 (Business) are a 90% promotional discount off the standard £13.50 and £27.50 rates, and the promotion is described as lasting 6 months before reverting
  • Listed prices are in GBP plus VAT, and the platform's plans are built around UK VAT filing rather than other tax regimes
  • Annual pricing is quoted at RRP £162/year (Starter) and £291.50/year (Business) before the same promotional reduction

Plaid

  • No dollar amount is published for any product, and the pricing page states no per request rate or minimum commitment
  • Three different billing models apply depending on the product, being one time per connected account, monthly per connected account, and per successful API call
  • That mix means total cost depends on which products are combined rather than on a single unit
  • Discounted rates require the Growth plan, which is a 12 month commitment

Pricing, plan by plan

IRIS KashFlow

£13.5/month
  • Starter Monthly$13.5/month
    • 10 invoices
    • up to 25 bank transactions
    • single user access
  • Business Monthly$27.5/month
    • unlimited invoices
    • unlimited bank transactions
    • multi-user access
  • Starter Annual$162/year
    • 10 invoices
    • up to 25 bank transactions
    • single user access
  • Business Annual$291.5/year
    • unlimited invoices
    • unlimited bank transactions
    • multi-user access

Plaid

$29/month
  • Pay-as-you-goFree
    • Bank connections
    • Transaction data
    • Account verification

Which should you pick?

Choose IRIS KashFlow if

Nothing in the data separates IRIS KashFlow from Plaid on the points above - pick on price and on how each one feels to use.

IRIS KashFlow review

Choose Plaid if

  • You need bank account linking.
  • You work on Api, Web, Ios, Android.
  • You also want transaction data.
Plaid review

Questions people ask

Is IRIS KashFlow or Plaid better?
Neither clearly leads. IRIS KashFlow starts at £13.5/month and Plaid at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IRIS KashFlow or Plaid?
IRIS KashFlow starts at £13.5/month and Plaid at $29/month.
Does IRIS KashFlow or Plaid run on more platforms?
IRIS KashFlow runs on Web. Plaid runs on Api, Web, Ios, Android.
What is IRIS KashFlow best used for?
IRIS KashFlow is most often used for business accounting, invoicing and billing, vat management. Of those, business accounting and invoicing and billing are not what Plaid is typically brought in for.
What can IRIS KashFlow do that Plaid cannot?
Plaid covers Bank account linking, Transaction data, Identity verification, Income verification.

Answered from the vendors’ own pages

IRIS KashFlow: What are IRIS KashFlow's core features across all plans?

All IRIS KashFlow plans include unlimited quotes, online VAT submission, mobile app access, 50+ reports, bank feeds, receipt capture, multi-currency support, and payroll for up to 5 employees.

Source
Plaid: How much does Plaid cost?

Plaid does not publish per request rates. It offers Pay as You Go with no upfront commitment, a Growth plan on a 12 month commitment with discounts, and a Custom plan priced on volume. Figures come from its sales team.

Source
IRIS KashFlow: Are there promotional discounts for new IRIS KashFlow customers?

Yes, new customers receive a 90% discount for 6 months on both Starter and Business monthly plans.

Source
Plaid: How does Plaid bill for its products?

Plaid uses three billing shapes: one time fee products charged once per connected account, subscription products charged monthly per connected account, and per request products charged a flat fee for every successful API call.

Source
IRIS KashFlow: Can multiple users access IRIS KashFlow on the Starter plan?

No, the Starter plan is limited to single-user access only. Multi-user access requires the Business plan.

Source
Plaid: Can I test Plaid for free?

Yes. Plaid's Limited Production service allows up to 200 API calls with each available product using live data, before any commitment. Plaid is also free for the consumers whose accounts are connected.

Source
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