Softwr

Accounting · head to head

IRIS KashFlow vs Spendesk

IRIS KashFlow logo

IRIS KashFlow

Accounting

Online accounting software for UK sole traders and small businesses

From
£13.5/month
Rated
-
Full reviewWebsite
Spendesk logo

Spendesk

Accounting

Smart spend management for modern teams

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; Spendesk no publicly available pricing, requires custom quote
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where IRIS KashFlow and Spendesk differ
AttributeIRIS KashFlowSpendesk
Starting price£13.5/month$29/month
PlatformsWebWeb, Mobile iOS, Mobile Android
FoundedUnknown2016

Identical on both: pricing model (subscription), 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 Spendesk does not also cover.

Only in Spendesk

  • Company cards
  • Expense management
  • Invoice payments
  • Budget management
  • Spend analytics
  • Xero
  • Sage
  • NetSuite

What people use each for

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

IRIS KashFlow

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

Spendesk

  • Expense managementnot IRIS KashFlow
  • Spend controlnot IRIS KashFlow
  • Finance automationnot 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

Spendesk

  • No publicly available pricing, requires custom quote
  • Strong European presence but limited in some non-EU markets
  • High implementation costs due to extensive integration requirements

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

Spendesk

$29/month
  • EssentialsFree
    • Virtual cards
    • Expense tracking
    • Approvals

Which should you pick?

Choose IRIS KashFlow if

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

IRIS KashFlow review

Choose Spendesk if

  • You need company cards.
  • You work on Web, Mobile iOS, Mobile Android.
  • You also want expense management.
Spendesk review

Questions people ask

Is IRIS KashFlow or Spendesk better?
Neither clearly leads. IRIS KashFlow starts at £13.5/month and Spendesk at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IRIS KashFlow or Spendesk?
IRIS KashFlow starts at £13.5/month and Spendesk at $29/month.
Does IRIS KashFlow or Spendesk run on more platforms?
IRIS KashFlow runs on Web. Spendesk runs on Web, Mobile iOS, Mobile 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 Spendesk is typically brought in for.
What can IRIS KashFlow do that Spendesk cannot?
Spendesk covers Company cards, Expense management, Invoice payments, Budget management.

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
Spendesk: What is included in Spendesk's platform?

Spendesk combines corporate cards, a mobile receipts app, approval workflows, automated reconciliation, accounts payable, procurement, and spend controls into one platform.

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
Spendesk: How does Spendesk handle expense receipts?

Spendesk captures receipts via mobile photo upload with OCR technology, automatically matching receipts to transactions and generating automated expense reports with 98% of expense receipts collected on time.

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
Spendesk: What integrations does Spendesk offer?

Spendesk integrates with accounting software including Sage, Xero, NetSuite, and SAP, plus HR systems and tools like Slack for comprehensive spend management.

Source
Spendesk: Is Spendesk profitable?

Yes. Spendesk became the first spend management platform to reach profitability in 2025, processing over £10 billion in spend across 35+ countries.

Source
Spendesk: What is Spendesk's valuation?

Spendesk is a unicorn company with a valuation of $1.5 billion, with 2025 revenue of $52 million ARR.

Source
Spendesk: How much time can Spendesk save on bookkeeping?

Organizations using Spendesk save an average of 4 days per month on bookkeeping, equivalent to over 380 hours per year returned to the business.

Source
Share

Related pages

More on IRIS KashFlow

More on Spendesk

Keep looking

Other head to heads