Indigo Nav vs PetaNetra

Indigo is a fully accessible turn-by-turn GPS app. It has all the outdoor navigation features you expect plus unique offerings you cannot get anywhere else including extra verbosity for blind users. Features: Four main tabs are easy to access at the bottom of the screen. Routes, Location, POIs and settings Indigo has the option to explore POIs or route turning points virtually. Transit Routes can be created and nearby transit stops will be announced. A unique Indigo feature: record a route using breadcrumbs called Waypoints. No other accessible app has this. You can add these waypoints with the Add Button or you can shake the phone to create a waypoint. It also automatically records a point after you have gone a certain distance. These waypoint routes can be saved for future use. The LookAround Wand in the upper right corner tells you what is in the direction your phone is pointing. The More Info button on the Location screen gives the altitude and speed. Create your own POIs and share your POIs with others or keep them private with a shortcut on the Location page or from the POIs page. POI categories are announced with search results and make finding your destination easier. Audio tones and vibrations give feedback throughout the app letting you know about upcoming turns, critical intersection information and when search is loading A robust route menu includes multiple methods of choosing a destination starting with a POI and an address from your contact list, your route history and many more. Settings include many customization options like vibrations, vision contrast, color settings and distance units. There are announcement options like right/left, clockface, or both.

PetaNetra is an application that uses Augmented Reality (AR) technology to help blind people navigate independently in indoor public spaces to be more comfortable and independent. This application supports the use of VoiceOver to help convey information to the blind. PetaNetra can detect your location and will guide you to the destination you choose. In using the application itself, there are 4 types of markers that will be found: 1. Place This marker functions to indicate the place that will be the user's destination or show the user's standing position. Some examples included in place markers are gates, toilets, counters, etc. 2. Warning This marker functions to inform users that they need to be more careful when walking. An example is a warning about differences in floor height. 3. Obstacles This marker functions to inform users that there are obstacles that users need to avoid when walking. Some objects that are obstacles are holes, poles, railings, etc. 4. Action This marker functions to instruct users to take a certain action according to instructions. Examples of instructions that will be found in the application are “push the door”, “raise your hand to check your body temperature”, etc.