GuideDog Nav vs Sight
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GuideDog Nav
This navigation assistant uses your iPhone's sensors and AI to detect obstacles, stairs, and hazards in real-time. It provides voice and haptic feedback to help blind and visually impaired individuals navigate safely. All processing is done on-device for enhanced privacy.
- Real-time obstacle detection
- LiDAR distance sensing
- AI object identification
- Voice and haptic alerts
- On-device processing
- Voice command controls
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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.
Sight
This navigation assistant uses LiDAR and your iPhone's camera to provide spoken guidance, haptic feedback, and obstacle detection for blind and low-vision users. It offers real-time environmental awareness and walking directions, functioning entirely offline once a route is set.
- LiDAR-based guidance
- Spoken directions
- Haptic feedback
- Obstacle detection
- Offline functionality
- Object detection
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Sight: Detect & Navigate is a LiDAR-based navigation assistant for blind and low-vision users. It requires an iPhone with a LiDAR scanner, such as supported iPhone Pro models. The app helps users navigate with spoken guidance, haptic feedback, walking directions, and obstacle awareness. It uses the camera and LiDAR sensor for real-time environmental awareness, and location for walking routes through Apple Maps. It is a free to use application and features such as object detection and LiDAR can be used offline. Once the route under the navigation tab is set, the entire app can function offline. Camera and LiDAR processing happens on device. The app has no account, no ads, no analytics, no tracking, no in-app purchases, and no subscriptions. Thank you for downloading the app! Privacy Policy: https://wisdominurmovement.com/sight-detect-navigate-privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: GuideDog Nav at every 3 weeks against Sight's every 2 months. GuideDog Nav also leads on iOS requirement (15.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for GuideDog Nav against 5.0 for Sight. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
GuideDog Nav ships an update every 3 weeks, Sight every 2 months. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.
| Parameter | GuideDog Nav | Sight |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 93 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Premkumar Krishnamurthy | Kinshuk Sahni |
In-app purchases
GuideDog Nav
No in-app purchases
Sight
No in-app purchases









