KeyInvoice review

Updated September 28, 2026 · ForgeCue Editorial Team · Facts checked September 26, 2026

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Our verdict

KeyInvoice suits small businesses on a tight budget who want to see the software before they commit to a plan, with a price from of €3.50. Cost is the pitch: that entry figure sits under Qonto at €9, Accountable at €9.90 and Billy at DKK 160.

Key facts

Best for
Small businesses buying on entry price who want to try the software before a paid plan.
Price from
€3.50 (Source, checked September 26, 2026)
Free plan
No (Source, checked September 26, 2026)
Pricing model
Free trial
Official website
keyinvoice.com

Pros and cons

Pros

  • Pricing runs on a trial, since the model is free trial, so a team can use the software before it pays.
  • An entry price of €3.50 sits under the field's upper quartile of €38.75.
  • Trials are the norm in this category, with a share of 66.3% of brands on the site set up on a trial.

Cons

  • There is no free plan, so the trial carries the whole evaluation.
  • Renewal sits in its own range: renewal prices across the site centre on €5.99 and reach €159.89, so the entry figure can move after the first term.

Ready to try KeyInvoice?

Who it suits

  • Small businesses, the biggest audience in this accounting software ranking at a share of 94.5%.
  • Buyers comparing on entry price, with €3.50 under Qonto at €9, Accountable at €9.90 and Billy at DKK 160.
  • Price-first shoppers in the cheap band, with KeyInvoice at position 15 among 200 brands rated on price from.

Who should look elsewhere

  • Teams that want a free plan, since the free plan answer for KeyInvoice is no.
  • Shoppers set on a higher-spend tier rather than the cheapest entry, such as Qonto at €9 or Billy at DKK 160.
  • Buyers who prefer one clear ongoing price, since €3.50 is an entry figure and renewal prices across the site centre on €5.99.

How KeyInvoice compares

Frequently asked questions

How much does KeyInvoice cost at entry?+

KeyInvoice's price from is €3.50. That is the lowest entry figure among the picks here: Qonto starts at €9, Accountable at €9.90 and Billy at DKK 160. If entry cost decides the shortlist, this one sits cheapest on the list.

Is there a free plan or only a trial?+

The free plan answer here is no. What KeyInvoice runs on is a trial, since the pricing model is free trial, so the software can be tried before a paid plan. Read the trial as a chance to look before paying rather than a tier to keep long term.

What will it cost at renewal?+

The entry figure is €3.50, and renewal is a separate question. Across this site, renewal prices centre on €5.99 and stretch to €159.89, while intro prices centre on €2.99. Ask for the renewal amount in writing before you commit.

How common are trials in this category?+

A trial is the usual route in this category: a share of 66.3% of brands on the site run on a free trial, against 51.8% for free plans. KeyInvoice belongs with the trial group, since its model is free trial and its free plan answer is no.

Where does KeyInvoice rank on price?+

Ranked on price from, KeyInvoice sits at position 15 among 200 brands rated here. In the accounting software ranking, entry prices run from €8.76 at the lower quartile to €38.75 at the upper.

Who is KeyInvoice for?+

Small businesses are the main audience for accounting software here, at a share of 94.5%. With a price from of €3.50 and a trial before payment, it fits teams that bill regularly and want the entry cost kept small.

Which alternatives cost less?+

All three listed alternatives come in higher: Qonto starts at €9, Accountable at €9.90 and Billy at DKK 160, against KeyInvoice at €3.50. If a free plan decides the shortlist, look wider: a share of 49.7% of brands in this ranking have one, and the KeyInvoice free plan answer is no.

Sources

Compiled from 2 source pages, checked September 26, 2026. We did not open an account.

Not confirmed yet: Free trial length, Local compliance.

KeyInvoice

Small businesses buying on entry price who want to try the software before a paid plan.

See alternatives