# Light Detective vs Toremane

The clearest difference is in-app purchases: Light Detective at none against Toremane's 1. Light Detective also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). Toremane's advantage is update cadence (every 3 weeks vs every 8 months). On price and device support there is nothing between them.

Both are free to download. Toremane sells 1 in-app purchase, starting at $0.99 per month. Light Detective asks for nothing beyond the download.

Light Detective ships an update every 8 months, Toremane every 3 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Light Detective | Toremane |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 120 MB | 22 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Signet Armorlite, Inc.](https://appshunter.io/developer/584848264) | [Keita Watanabe](https://appshunter.io/developer/1656914726) |

## What reviewers say

### 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


### Toremane

[App page](https://appshunter.io/ios/app/toremane/id6444793196)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription | $0.99 | per month |


## Frequently asked questions

### Is Light Detective free?

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

### Is Toremane free?

Toremane is free to download, with in-app purchases available.

### Do Light Detective or Toremane have ads?

Toremane shows ads; Light Detective does not.

### Which is updated more often, Light Detective or Toremane?

Light Detective ships an update every 8 months, and Toremane every 3 weeks. Most recently, Light Detective was updated on October 4, 2026 and Toremane on October 6, 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.*