# GuideDog Nav — Virtual Guide Dog

> AI-powered virtual guide dog for obstacle detection and navigation. (iPhone/iPad app by Premkumar Krishnamurthy.)

- Source: https://appshunter.io/ios/app/guidedog-nav/id6761731954 (this page in markdown: same URL + `.md`)
- Developer: [Premkumar Krishnamurthy](https://appshunter.io/developer/1891140986)
- Category: Navigation
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 93 MB
- Languages: English
- Released: 2026-04-08
- Data updated: 2026-06-27
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/guidedog-nav/id6761731954/reviews.md

## What is GuideDog Nav?

GuideDog Vision is a navigation assistant designed for blind and visually impaired individuals. Built as a student project, it uses your iPhone's LiDAR sensor, camera, and AI to detect obstacles, walls, stairs, and hazards in real time.

How it works:
- Automatic protection: constantly scans and warns about obstacles
- LiDAR distance sensing: real-time measurements in feet
- AI object detection: identifies people, chairs, vehicles, and more
- Cloud AI: detects stairs, wet floors, doors, and hazards on scan
- Voice alerts with haptic feedback

Controls:
- Hold screen: speak a voice command
- Double tap: scan surroundings
- Swipe left/right: check sides
- Voice: "What's around", "Is it safe", "Left", "Right", "Scan", "Help"

Privacy:
- All detection runs on-device
- Cloud AI optional, only on scan
- No images stored, no account needed

Works best on LiDAR-equipped iPhones (12 Pro and later). Camera and microphone access required.

Built as a student project to make navigation safer for the visually impaired community.

## Key features

- Real-time obstacle detection
- LiDAR distance sensing
- AI object identification
- Voice and haptic alerts
- On-device processing
- Voice command controls


## Frequently asked questions about GuideDog Nav

### What devices does GuideDog Nav work on?

GuideDog Nav is designed to work on iPhones and iPods. It functions best on iPhones equipped with LiDAR sensors, specifically models from the iPhone 12 Pro and later.

### Does GuideDog Nav have ads?

No, GuideDog Nav is completely ad-free. The app is built as a student project and does not contain any advertisements.

### How does GuideDog Nav protect user privacy?

GuideDog Nav prioritizes privacy by performing all detection on-device. Optional cloud AI processing is only used when scanning, and no images are stored, nor is an account required.

### What kind of feedback does GuideDog Nav provide?

GuideDog Nav offers real-time voice alerts to inform users about detected obstacles and hazards. It also utilizes haptic feedback for an additional layer of sensory information.

### How often is GuideDog Nav updated?

The latest version of GuideDog Nav is 1.5, which was last updated on May 21, 2026. While specific update frequency isn't detailed, it has received updates since its release.

### What are the voice commands for GuideDog Nav?

Users can interact with GuideDog Nav using voice commands such as "What's around", "Is it safe", "Left", "Right", "Scan", and "Help".

### What is the age rating for GuideDog Nav?

GuideDog Nav has an age rating of 4+, making it suitable for a wide range of users.

### What specific hazards can GuideDog Nav detect?

GuideDog Nav can detect various obstacles like walls and people using its LiDAR sensor and AI. The cloud AI component specifically identifies hazards such as stairs, wet floors, and doors.

## Version history (last 3 releases)

### 1.5 — 2026-05-21

Introducing Hear Mode. A new way to use GuideDog,
built for deaf and hard of hearing users. Live
captions transcribe speech as it happens, and sound
detection alerts you to sirens, alarms, doorbells,
dogs barking, and over 30 other safety relevant
sounds nearby.

### 1.4 — 2026-05-13

Better Accessibility for Non-Pro Phones

### 1.0 — 2026-04-08

No release notes.

## More apps by Premkumar Krishnamurthy

- [Toursey](https://appshunter.io/ios/app/toursey/id6761776486)
- [Righub](https://appshunter.io/ios/app/righub/id6762028680)

All apps by Premkumar Krishnamurthy: https://appshunter.io/developer/1891140986

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-27.*