# PupiLUX vs OptoReflex

The clearest difference is price: PupiLUX at Free against OptoReflex's $0.99. PupiLUX also leads on update cadence (every 2 days vs weekly). OptoReflex's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

PupiLUX is free to download; OptoReflex costs $0.99 up front. PupiLUX sells 2 one-off in-app purchases. OptoReflex asks for nothing beyond the download.

PupiLUX ships an update every 2 days, OptoReflex weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | PupiLUX | OptoReflex |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pupiluxpupillary-light-reflex/id6761528135/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [R.Tej Health Analytics Private Limited](https://appshunter.io/developer/1740477003) | [Isaias Fiuza Cabral](https://appshunter.io/developer/1896699635) |

## What reviewers say

### PupiLUX

[App page](https://appshunter.io/ios/app/pupiluxpupillary-light-reflex/id6761528135)

This app transforms your iPhone into a quantitative pupillometer for rapid, on-device analysis of pupillary light reflex. It measures key pupil dynamics like baseline diameter, constriction, and latency, generating reports with reference ranges for clinical screening.

**Highlights:** Quantitative pupillometer, Bilateral PLR testing, On-device analysis, Baseline Pupil Diameter measurement, Constriction Percentage calculation, PupiLUX Pro Report generation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Test Credits | $0.99 | one-time |
| 100 Test Credits | $8.99 | one-time |


### OptoReflex

[App page](https://appshunter.io/ios/app/optoreflex-eye-tests/id6778753671)

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

**In-app purchases:** none


## Frequently asked questions

### Is PupiLUX free?

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

### Is OptoReflex free?

OptoReflex costs $0.99, with no in-app purchases.

### Do PupiLUX or OptoReflex have ads?

Neither PupiLUX nor OptoReflex shows ads.

### Which is updated more often, PupiLUX or OptoReflex?

PupiLUX ships an update every 2 days, and OptoReflex weekly. Most recently, PupiLUX was updated on October 31, 2026 and OptoReflex on October 31, 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.*