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PaidKind vs Invoice Simple

Invoice Simple is an invoice and estimate maker built around its mobile app, with three plans from 3 invoices a month up to unlimited. PaidKind is one low-cost plan with up to 150 invoices a month, polite reminders before, on and after the due date, and a QuickBooks Online connection.

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How do PaidKind and Invoice Simple compare?

  • Best for

    PaidKind
    Freelancers and small businesses who send regular invoices and want reminders included
    Invoice Simple
    Quick invoices and estimates from a phone, with online card payments

  • Price

    PaidKind
    $2.99/month (£2.99 for UK businesses), one plan with every feature
    Invoice Simple
    Essentials $6.99, Plus $14.99, Premium $21.99 a month in the US App Store (as of Nov 2026)

  • Invoices

    PaidKind
    Up to 150 a month
    Invoice Simple
    Essentials up to 3 a month, Plus up to 10, Premium unlimited

  • Payment reminders

    PaidKind
    Yes: before, on and after the due date; approve each or send automatically
    Invoice Simple
    Due date reminders from the Plus plan

  • Card payments

    PaidKind
    Customers pay you directly (no card payments through PaidKind yet)
    Invoice Simple
    Yes

  • Estimates

    PaidKind
    No
    Invoice Simple
    Yes

When is Invoice Simple the better choice?

  • You want a phone app from an app store today.
  • You send estimates and turn them into invoices.
  • You want customers to pay by card from the invoice.

When is PaidKind the better choice?

  • You send more than a few invoices a month: up to 150 are included.
  • You want payment reminders without moving to a higher plan.
  • You want the lowest monthly price of the plans compared here.
  • You use QuickBooks Online and want your invoices copied into it.

See also: PaidKind pricing · How PaidKind reminders work · How to chase an unpaid invoice politely

Questions

How many invoices can I send with PaidKind?

Up to 150 invoices a month on PaidKind’s single plan, with reminders for all of them. There is no lower tier with a three or ten invoice cap. Drafts, resends and reminders do not count towards the limit, and you can contact support if you ever need more.

Which should I pick if I mostly work from my phone?

Both work on a phone. Invoice Simple is built around its mobile app and suits quick invoices and estimates on the go. PaidKind works in any phone browser, with iOS and Android apps in preview, and suits people who want reminders that follow up for them without picking a higher plan.

Which one should I choose?

Pick the tool that matches the job you need done most. If you mainly send invoices and spend too long chasing payments, PaidKind keeps that simple. If you need more, such as accounting, card payments or estimates, compare the other tool’s current plans on its own website before deciding.

Sources

Other products’ prices and features are as listed on their own websites when we last checked and can change. Check their sites for current details.