Inaccurate
There is also very little support.

Archived App (Last seen on 19 Jan 2026)
This is an archived listing of the app previously available on the App Store.This app automatically tracks your business and private trips using GPS and Bluetooth technology. It generates professional tax logbooks and travel claim reports for easy submission to employers or clients. All your travel data is securely stored and backed up.
1.5
September 22, 2020
Fix MapBox api for thumbnails
JO utilizes your phone's GPS and Bluetooth low energy technology, in conjunction with a physical JO unit plugged into your vehicle's cigarette lighter, to automatically record trip start and end times, mileage, and routes.
Yes, you can categorize each trip as either Business or Private directly from the JO unit or through the JO app. This ensures accurate reporting for tax and expense purposes.
JO can generate several types of reports, including a comprehensive Travel Report, a Geofence Report, and a Tax Logbook Report. These reports can be emailed directly from the app.
Yes, your travel data is stored on secure servers and dynamically uploaded during each trip. This ensures your information is safe and sound, even if your phone is lost or stolen.
JO is supported on iPhone, iPad, and iPod devices. It requires iOS 11.0 or later.
The latest version of JO, 1.5, was released on September 22, 2020. The app was initially released on November 14, 2017.
No, JO is ad-free. You can use the app without any advertisements interrupting your experience.
JO has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.