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Invoice Simple alternatives · Accounting

Invoice Simple alternatives with a Linux app

The Invoice Simple listing does not include a Linux app. 4 of the 128 other accounting and invoicing tools in this directory list a Linux app.

Invoice Simple is a paid product with a free trial, starting at $6.99 per month, as listed in the US App Store. 3 of them are free or have a free plan.

4 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from Invoice Simple

  1. Manager.io

    Free offline accounting for Windows, Mac and Linux, with a paid cloud

    • Manager.io starts at $59 per month, billed monthly. Invoice Simple starts at $6.99 per month, as listed in the US App Store.
    • Manager.io has a free plan. Invoice Simple does not, though it has a free trial.
    • Only Manager.io lists Windows, macOS and Linux apps.
    • Only Invoice Simple lists iOS and Android apps.
    Manager.io pricing and details

  2. Invoice Ninja

    Invoicing, expenses and time tracking with a free plan

    • Invoice Ninja starts at $14 per month, billed monthly ($140 billed annually). Invoice Simple starts at $6.99 per month, as listed in the US App Store.
    • Invoice Ninja has a free plan. Invoice Simple does not, though it has a free trial.
    • Only Invoice Ninja lists macOS, Windows and Linux apps.
    • Invoice Ninja is self-hostable, according to its own site.
    Invoice Ninja pricing and details

  3. GnuCash

    Free double-entry accounting for home and small business use

    • GnuCash is free. Invoice Simple starts at $6.99 per month, as listed in the US App Store.
    • GnuCash has a free plan. Invoice Simple does not, though it has a free trial.
    • Only GnuCash lists Windows, macOS and Linux apps.
    • Only Invoice Simple lists a web app.
    GnuCash pricing and details

  4. TaxCalc

    UK tax return and accounts software for accountancy practices

    • TaxCalc starts at £187 per year (Tax Return Production, up to 12 individual clients). Invoice Simple starts at $6.99 per month, as listed in the US App Store.
    • Only TaxCalc lists Windows, macOS and Linux apps.
    • Only Invoice Simple lists a web app.
    • Only Invoice Simple lists iOS and Android apps.
    TaxCalc pricing and details

Common questions

Which Invoice Simple alternatives have a Linux app?

Manager.io, Invoice Ninja, GnuCash and TaxCalc list a Linux app.

Does Invoice Simple have a Linux app?

The Invoice Simple listing does not include a Linux app. It lists Web, iOS and Android.

Which of these accounting and invoicing tools are free?

Manager.io, Invoice Ninja and GnuCash are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 17, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Invoice Simple: the alternatives its listing names first, then the tools that share the most features with it.