Light Detector vs RightHear
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Light Detector
This utility app converts light intensity into sound, allowing users to perceive their surroundings through audio cues. Point your device's camera at any light source to hear variations in pitch based on brightness. It's designed to assist users, particularly those who are blind, in navigating and understanding their environment.
- Converts light to sound
- Adjusts sound pitch by light intensity
- Assists visually impaired users
- Easy to use camera interface
- Portable environmental awareness tool
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Have you ever listened to light? With Light Detector, now you can! Light Detector transforms any natural or artificial light source it encounters into sound. Light Detector is easy to use! Just run the application and point your iPhone camera in any direction. You will hear a higher or lower sound depending on the intensity of the light. If you are blind, Light Detector helps you to be more independent in many daily activities. At home, point your iPhone towards the ceiling to understand where the light fixtures are and whether they are switched on. In a room, move the device along the wall to check if there is a window and where it is. You can find out whether the shades are drawn by moving the device up and down. Bring Light Detector with you to discover what is around you at the speed of light.
RightHear
This virtual assistant helps blind and visually impaired individuals navigate their surroundings. It provides real-time information about locations and objects, promoting independent and confident exploration.
- Virtual accessibility assistant
- Location awareness
- Object identification
- Independent navigation
- Orientation assistance
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RightHear is a virtual accessibility assistant that helps people understand where they are and what’s around them – in both new and familiar places. We’re here to empower individuals who are blind, visually impaired, or face orientation challenges to navigate independently, confidently, and on their own terms – anytime, anywhere.
Screenshots
Verdict
The clearest difference is review sentiment: Light Detector at 82% against RightHear's 0%. Light Detector also leads on rating (4.5 vs 4.3) and iOS requirement (7.0 vs 15.2). RightHear's advantage is update cadence (every 6 weeks vs every 12 months). On price, ratings volume, ads and in-app purchases 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.
Light Detector holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 8 and 15 respectively. Written reviews point the same way: 82% of Light Detector's written reviews are positive against 0% of RightHear's.
Light Detector ships an update every 12 months, RightHear every 6 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.
| Parameter | Light Detector | RightHear |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (8 ratings) — better | 4.3 (15 ratings) |
| Positive reviews | 81.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 8 | 15 — better |
| Update frequency | Every 12 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 1 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Retina Italia Onlus | ZIKITAPP LTD |
Customer experience
Light Detector
RightHear
In-app purchases
Light Detector
No in-app purchases
RightHear
No in-app purchases
