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Accounting · head to head

IRIS KashFlow vs Tripletex

IRIS KashFlow logo

IRIS KashFlow

Accounting

Online accounting software for UK sole traders and small businesses

From
£13.5/month
Rated
-
Full reviewWebsite
Tripletex logo

Tripletex

Accounting

Norwegian cloud accounting and ERP system for bookkeeping, invoicing and payroll

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Tripletex 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; Tripletex pricing only in Norwegian Krone, limited for international customers
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where IRIS KashFlow and Tripletex differ
AttributeIRIS KashFlowTripletex
Starting price£13.5/monthFree
Free tierNoYes

Identical on both: pricing model (subscription), platforms (Web), user rating (Not yet rated), category (Accounting).

What people use each for

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

IRIS KashFlow

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

Tripletex

  • Small business accountingnot IRIS KashFlow
  • Invoice managementnot IRIS KashFlow
  • Payroll processingnot IRIS KashFlow
  • Project trackingnot 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

Tripletex

  • Pricing only in Norwegian Krone, limited for international customers
  • Mobile app features not fully detailed

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

Tripletex

Free
  • Basis$199/month
    • Invoice (Faktura)
    • Accounting (Regnskap)
    • Mobile app
  • Smart$299/month
    • Everything in Basis
    • Smart automation
    • Optional: payroll, travel, integrations
  • Pro$479/month
    • Everything in Smart
    • Integrations included
    • Payroll, travel, hours tracking
  • Komplett$649/month
    • Everything in Pro
    • Project management
    • Project budgeting

Which should you pick?

Choose IRIS KashFlow if

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

IRIS KashFlow review

Choose Tripletex if

  • You want to start without paying.
Tripletex review

Questions people ask

Is IRIS KashFlow or Tripletex better?
Neither clearly leads. IRIS KashFlow starts at £13.5/month and Tripletex at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IRIS KashFlow or Tripletex?
Tripletex has a free tier; the other does not. Paid plans start at £13.5/month for IRIS KashFlow and Free for Tripletex.
Does IRIS KashFlow or Tripletex run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Tripletex for free?
Yes. Tripletex 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 Tripletex is typically brought in for.

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
Tripletex: Does Tripletex offer a free trial?

Yes. Tripletex offers a 14-day free trial with no payment details required. Additionally, new companies starting an AS (limited company) through Tripletex get 30 days of free access.

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
Tripletex: Can you upgrade or downgrade Tripletex plans?

Yes. According to the pricing page, 'upgrade or downgrade when needs change.' All plans are modular, and you only pay for features you use.

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
Tripletex: Is support included in Tripletex plans?

Yes. Free support (Gratis support) is included in all plans. Premium support levels are available on higher tiers.

Source
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