Manco Gauge control for Windows 8.1 and Windows Phone 8.1

Per developer, royalty-free.
Ten (10) support requests via e-Mail with a 48-hour response time (excluding Saturdays, Sundays and holidays) during 1 month.

Copyright © 2014 Manco Software.
Three reasons why it's a worthy product to buy:

1. Features of our product are similar or better than our competitors.

2. Price starts at just $35 which makes this product #1 on the market correlating Price - productivity.

3. You get excellent support with this product which can sometimes cost you more than the product.