1. Chattanooga-specific tax handling
- State sales tax: 7%. Local jurisdictions in Chattanooga may add their own rate β verify with your local tax assessor.
- Late fees: TN statute Tenn. Code Β§47-14-103 caps interest on unpaid invoices at 1.5% per month.
2. Standard mobile app developer line items
- Sprint / milestone β billed by flat.
- Hourly β billed by hour (~$165 default).
- App Store submission β billed by flat.
- Maintenance retainer β billed by flat.
3. Payment terms that work in Chattanooga
Net 30 is standard for mobile app developers. Most mobile app developers in competitive markets like Chattanooga require a 33% deposit upfront before scheduling work. Accept card and ACH on the invoice itself β Chattanooga 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
Chattanooga
State
TN
Net terms
30 days
Deposit
33%