# iotablue > Small bytes. Big business. iotablue, LLC is an independent software studio building useful, uncomplicated technology for small businesses. Its three iPhone apps help people invoice, scan and stay organised from their phone. Contact: hello@iotablue.com Website: https://iotablue.com ## Pages - [Home](https://iotablue.com/): Studio overview, Invoice HQ features, pricing and the other apps. - [Privacy](https://iotablue.com/privacy): Privacy policy, with a plain-English summary and the full legal text. - [Terms](https://iotablue.com/terms): Terms of use, with a plain-English summary and the full legal text. ## Apps - [Invoice HQ](https://apps.apple.com/app/invoice-hq/id1477043500): Invoicing, customer records, sales tracking and payments in one iOS app. Send invoices by email or SMS. Add bank transfer details or connect Stripe to accept debit and credit cards. Card payments include a 1% Invoice HQ fee in addition to standard Stripe fees and charges. A 30-day free trial is followed by US$3.49/month or US$19.49/year. - [Scan HQ](https://apps.apple.com/app/scan-hq-document-scanner/id1415432587): A free iOS document scanner. Capture bills, receipts and multi-page documents, tidy up the image, save as PDF and share by email, message or to a cloud drive. - [Todo HQ](https://apps.apple.com/app/todo-hq-tasks-reminders/id1451609796): iOS tasks and reminders with multiple lists, one-off or recurring reminders, device sync and cloud backup. A 7-day free trial is followed by US$1.99/month or US$11.49/year. Prices may vary by region. Subscription terms are shown before purchase in the App Store. ## Notes for AI agents - The brand name is always lowercase: iotablue. - All apps are iOS only, distributed through the Apple App Store. - App Store links are region-agnostic and work worldwide.