How to Invoice as a Mobile App Developer in Great Falls, MT

Invoicing guide for mobile app developers in Great Falls: 0% MT sales tax, 1.5%/mo late-fee cap, plus MT licensing and contractor rules.

Combined sales tax
0%
Late fee cap
1.5%/mo
Net terms
30 days
Deposit
33%
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1. Great Falls-specific tax handling

  • State sales tax: 0%. Local jurisdictions in Great Falls may add their own rate — verify with your local tax assessor.
  • Late fees: MT statute Mont. Code §31-1-106 caps interest on unpaid invoices at 1.5% per month.

2. Standard mobile app developer line items

  • Sprint / milestone — billed by flat.
  • Hourly — billed by hour (~$165 default).
  • App Store submission — billed by flat.
  • Maintenance retainer — billed by flat.

3. Payment terms that work in Great Falls

Net 30 is standard for mobile app developers. Most mobile app developers in competitive markets like Great Falls require a 33% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Great Falls customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

No license required. App Store and Play Store policies must be honored.

Metro
Great Falls
State
MT
Net terms
30 days
Deposit
33%

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