Question 1

Is there an Invoice Simple alternative with no monthly invoice caps?

Accepted Answer

Yes. Slap Invoice gives you unlimited invoices and estimates for a one-time $49.99 purchase, with no monthly caps on any plan. Invoice Simple reduced some paid plans to as few as 3 invoices per month.

Question 2

How much cheaper is Slap Invoice than Invoice Simple?

Accepted Answer

Invoice Simple costs roughly $200 per year, every year. Slap Invoice is $49.99 one time, forever. Optional iCloud sync is $4.99 per month and is never required.

Question 3

Can I keep my invoices if I stop paying?

Accepted Answer

Yes. In Slap Invoice every invoice is a PDF saved to your iPhone Files app and iCloud Drive, so it stays yours even if you stop paying or delete the app. CSV and PDF export are always free.

Question 4

Does Slap Invoice push its own payment processing like Invoice Simple?

Accepted Answer

No. Slap Invoice prints your own Venmo, PayPal, Zelle or Stripe links with a QR code. It never takes a processing cut and never touches your money.

	Invoice Simple	Slap Invoice
Price	~$200/year, forever	$49.99 once
Invoice limits	As low as 3/month on PAID plans	Unlimited, forever
Where your invoices live	Their cloud, behind your login	Your phone — PDFs in your Files app
Stop paying — what happens?	Locked out of your records	Nothing. They're your files
Export	Varies by plan	CSV + PDF zip, free, always
Payment processing cut	Pushes their payment rails	Your Venmo/PayPal/Zelle/Stripe links + QR. We take $0
Works offline	Limited	Fully — it's local-first

The Invoice Simple alternative with no monthly caps.

The honest comparison.

Never rent your own paperwork again.