Hi Barbara,

 

Since the app isn’t available in Canada I only went by what it said on iTunes. 
I had a look at the app from the original link and here it mentioned Novartis 
was the developer. Are we talking about the same app? Here is all the 
information copied directly from iTunes:

 

ViaOpta Nav

By Novartis Pharmaceutical Corporation

 

Description 

The aim of this app is to allow a blind/low vision person to move independently 
thanks to the ability to walk to a destination starting from their position and 
have information useful to facilitate their orientation while moving. This 
information is provided and adapted taking into consideration the peculiar 
needs of a blind/low vision pedestrian and the app user interface is simple and 
easy to use.

The user can enter a destination and get the turn by turn directions from their 
current position to that destination. Waypoints can be added to improve the 
effectiveness of the calculated route.

While moving the app will also give information on next junctions as well as 
distances and directions.

At any time the user can query the app for their position and get it in terms 
of street address. A list of junctions around the user, with the corresponding 
distances and bearings, can also be obtained.

Information relevant to the user mobility are provided by using the Text To 
Speech (even if no screenreader is running).

 

This app may run in background mode and use the location service, in case the 
navigation to a point is set. The use of background GPS may draw heavily on 
your device battery. Use this feature only as needed.

 

ViaOpta Nav.

Free

 

Category: Navigation

Released:  21 August 2014

Version: 1.0

Size: 8.6 MB

Languages: English, Arabic, French, German, Italian, Portuguese, Spanish, 
Turkish

Developer: Novartis Pharmaceutical Corporation

© 2014 Novartis Pharmaceuticals

 

You must be at least 17 years old to download this application.

Unrestricted Web Access

Infrequent/Mild Medical/Treatment Information

 

Compatibility: Requires iOS 6.1 or later. Compatible with iPhone, iPad, and 
iPod touch.

This app is optimised for iPhone 5.

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