# TRUEVIEW lite vs Light Detective

The clearest difference is update cadence: TRUEVIEW lite at every 5 weeks against Light Detective's every 8 months. TRUEVIEW lite also leads on iOS requirement (11.0 vs 13.0). Light Detective's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRUEVIEW lite ships an update every 5 weeks, Light Detective every 8 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | TRUEVIEW lite | Light Detective |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/light-detective/id1260936039/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 8 months |
| Monetization | — | Free |
| Size | 848 MB | 120 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HOYA LENS(S) PTE LTD](https://appshunter.io/developer/836463008) | [Signet Armorlite, Inc.](https://appshunter.io/developer/584848264) |

## What reviewers say

### TRUEVIEW lite

[App page](https://appshunter.io/ios/app/trueview-lite/id881787198)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Light Detective

[App page](https://appshunter.io/ios/app/light-detective/id1260936039)

This app educates patients about blue light and UV radiation, demonstrating the benefits of blue-coated lenses with simulations and images. It also measures blue light and UV radiation from various sources to enhance patient understanding.

**Highlights:** Patient education on blue light and UV, Simulations and images of lens benefits, Blue light measurement from light sources, UV radiation measurement, Information for eye care professionals

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TRUEVIEW lite free?

TRUEVIEW lite is free to download, with no in-app purchases.

### Is Light Detective free?

Light Detective is free to download, with no in-app purchases.

### Do TRUEVIEW lite or Light Detective have ads?

Neither TRUEVIEW lite nor Light Detective shows ads.

### Which is updated more often, TRUEVIEW lite or Light Detective?

TRUEVIEW lite ships an update every 5 weeks, and Light Detective every 8 months. Most recently, TRUEVIEW lite was updated on October 7, 2026 and Light Detective on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*