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Accounting · head to head

IRIS KashFlow vs Melio

IRIS KashFlow logo

IRIS KashFlow

Accounting

Online accounting software for UK sole traders and small businesses

From
£13.5/month
Rated
-
Full reviewWebsite
Melio logo

Melio

Accounting

Simple business payments

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Melio has a free tier, so it costs nothing to try first.
  • 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; Melio card payments incur flat 2.9% fee on all plans
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where IRIS KashFlow and Melio differ
AttributeIRIS KashFlowMelio
Starting price£13.5/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWebWeb, Mobile app
FoundedUnknown2018

Identical on both: 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 Melio does not also cover.

Only in Melio

  • Vendor payments
  • Card to check
  • Payment scheduling
  • Approval workflows
  • QuickBooks sync
  • QuickBooks
  • Xero
  • FreshBooks

What people use each for

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

IRIS KashFlow

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

Melio

  • Accounts payable automationnot IRIS KashFlow
  • Bill management and payment schedulingnot IRIS KashFlow
  • Multi-vendor payment processingnot IRIS KashFlow
  • Invoice receivables and payment collectionnot 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

Melio

  • Card payments incur flat 2.9% fee on all plans
  • International payments charged $20 flat fee or 2.9% conversion rate plus international fees
  • Paper checks cost $1.50 per check
  • Wire transfers cost $10 standard or up to 1% plus $10 for same-day processing
  • Core and Boost plans charged $10/month per additional user beyond base

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

Melio

Free
  • GoFree
    • 5 free ACH payments per month
    • Pay by card, wire, or check
    • Basic invoicing
  • Core$25/month
    • 20 free ACH payments per month
    • $20/month with annual billing
    • QuickBooks Online and Xero sync
  • Boost$55/month
    • 50 free ACH payments per month
    • $44/month with annual billing
    • QuickBooks Desktop sync
  • Unlimited$80/month
    • Unlimited free ACH payments
    • $64/month with annual billing
    • NetSuite sync

Which should you pick?

Choose IRIS KashFlow if

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

IRIS KashFlow review

Choose Melio if

  • You need vendor payments.
  • You want to start without paying.
  • You work on Web, Mobile app.
  • You also want card to check.
Melio review

Questions people ask

Is IRIS KashFlow or Melio better?
Neither clearly leads. IRIS KashFlow starts at £13.5/month and Melio at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IRIS KashFlow or Melio?
Melio has a free tier; the other does not. Paid plans start at £13.5/month for IRIS KashFlow and Free for Melio.
Does IRIS KashFlow or Melio run on more platforms?
IRIS KashFlow runs on Web. Melio runs on Web, Mobile app.
Can I use Melio for free?
Yes. Melio has a free tier, so you can try it without paying. IRIS KashFlow starts at £13.5/month.
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 Melio is typically brought in for.
What can IRIS KashFlow do that Melio cannot?
Melio covers Vendor payments, Card to check, Payment scheduling, Approval workflows.

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
Melio: What does Melio charge for ACH payments?

Melio's free Go tier includes 5 free ACH payments per month. Core tier provides 20 free ACH payments per month at $25/month. Boost offers 50 free ACH payments at $55/month. Unlimited tier at $80/month includes unlimited free ACH payments.

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
Melio: Does Melio charge fees for card payments?

Yes, Melio charges a flat 2.9% fee on all card payments. International card payments also include currency conversion charges and international fees beyond the base 2.9%.

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
Melio: Can I use Melio for free?

Yes, Melio's free Go tier allows 5 free ACH payments per month with no subscription cost. Users can pay by card, wire, or check and access basic invoicing and payment link features.

Source
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