Compare
InvoiceWren vs Invoice Simple
Invoice Simple is a popular invoicing app with built-in card payments. InvoiceWren is built around the whole job: estimate, approved changes, staged invoices and the final payment.
Updated

The short answer
Choose Invoice Simple if you want card, ACH, PayPal and Venmo payments built in, expense tracking and reports. Choose InvoiceWren if your jobs change while you work and you want change orders, progress invoices and a balance explained line by line, with a free plan.
At a glance
| What you need | Invoice Simple | InvoiceWren |
|---|---|---|
| Free plan | A 14-day free trial, then paid plans[1] | Yes: 5 invoices and 5 estimates a month, for good[3] |
| Lowest paid plan | $6.99 a month, up to 3 invoices a month[1] | Pro $12.97 a month, unlimited invoices[3] |
| Unlimited invoices | $21.99 a month (Premium)[1] | $12.97 a month, or $127 a year[3] |
| Client e-signature on estimates | Premium plan[1] | Every plan, including Free[3] |
| Deposits | Premium plan[1] | Every plan, including Free[3] |
| Change orders | Not listed on their pricing or features page[1][2] | Pro, and free on your first job[3] |
| Progress invoices | Not listed on their pricing or features page[1][2] | Pro, and free on your first job[3] |
| Payment reminders | Plus plan and up[1] | Pro (emailed for you until they pay)[3] |
| Built-in card payments | Yes: cards, ACH, PayPal, Venmo[2] | You add Zelle, bank transfer or your own payment link, such as Stripe or PayPal[3] |
| Expense tracking and reports | Yes[2] | No[3] |
| Phone apps | iPhone and Android[2] | Web app now; iPhone and Android in testing, before the end of 2026[3] |
Where Invoice Simple is strong
Where InvoiceWren is different
- Jobs hold every document and payment for one piece of work.
- Change orders your client approves before you start the extra work.
- Progress invoices that show what is paid and what is left.
- A free plan that is not a trial, and e-signature and deposits on every plan.
- We never take a cut of your client payments.
Which one should you choose?
Choose Invoice Simple if
You mostly send one invoice per job, you want card payments built in, and you also want expense tracking.
Choose InvoiceWren if
Your jobs run in stages or change along the way, and you want the estimate, the changes and the payments to add up without a spreadsheet.
Questions
Is InvoiceWren cheaper than Invoice Simple?
For unlimited invoices, InvoiceWren Pro is $12.97 a month and Invoice Simple Premium is $21.99 a month (checked Nov 09 2026). Invoice Simple Essentials costs less, at $6.99, but allows up to 3 invoices a month.[1][3]
Can I move my clients from Invoice Simple?
You can add clients in InvoiceWren as you go. We do not import from Invoice Simple yet.
Does InvoiceWren take card payments?
Your client pays you directly by Zelle, bank transfer or your own payment link, such as a Stripe or PayPal link. We never take a fee.[3]
Do my clients need an account?
No. They open your estimate or invoice from the email and can sign, ask for changes or pay.
Try InvoiceWren on your next job.
Get startedFree plan available. Looking for an Invoice Simple alternative?
Sources
- Invoice Simple, Pricing Plans and Packages. Checked .
- Invoice Simple, Features. Checked .
- InvoiceWren, Pricing. Checked .
Prices and features change. We check these pages before each update. If something here is out of date, tell us at hello@invoicewren.com and we will fix it.
Invoice Simple is a trademark of its owner. InvoiceWren is not affiliated with Invoice Simple.