# Reflex vs 528i

The clearest difference is rating: 528i at 5.0 against Reflex's 3.5. 528i also leads on in-app purchases (none vs 5) and device support (3 vs 1). Reflex's advantage is ratings volume (23 vs 3). On price, update cadence and ads there is nothing between them.

Both are free to download. Reflex sells 5 in-app purchases, starting at $1.99 per month. 528i asks for nothing beyond the download.

528i holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Reflex has 23 ratings behind it against 3, so its average is the more settled of the two.

Reflex ships an update every 2 weeks, 528i fortnightly. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Reflex | 528i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (23 ratings)](https://appshunter.io/ios/app/reflex-plr-analyzer/id1412154869/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/528i/id6738430099/reviews)** |
| Number of ratings | **23** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Subscription | **Free** |
| Size | 22 MB | 35 MB |
| Requires iOS | 17.6 | **14.0.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | +17 | 17+ |
| Developer | [Brightlamp, Inc.](https://appshunter.io/developer/1380261827) | [528 INNOVATIONS LLC](https://appshunter.io/developer/1780816602) |

## What reviewers say

### Reflex

[App page](https://appshunter.io/ios/app/reflex-plr-analyzer/id1412154869)

This tool measures and tracks pupillary activity using an iPhone camera for quick, 5-second tests. It helps medical professionals monitor patient progress and identify deviations for clinical decision support.

**Highlights:** Pupillary readings via iPhone camera, 5-second test duration, Patient progress tracking, Baseline feature for deviations, Clinical decision support tool, Rapid biomarker validation

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Critical Care Monthly | $1.99 | per month |
| Monthly Subscription | $41.99 | per month |
| Monthly Subscription | $41.99 | per month |
| Yearly Subscription | $419.99 | per year |
| Yearly Subscription | $419.99 | per year |


### 528i

[App page](https://appshunter.io/ios/app/528i/id6738430099)

This app guides users through laser therapy sessions with step-by-step instructions and instructional videos. It connects to a laser device to optimize timing, frequency, and application for photobiomodulation and low-level laser therapy.

**Highlights:** Step-by-step smart guidance, Interactive instructional videos, Wavelength recommendations, Device connectivity, Precision wellness at home

**In-app purchases:** none


## Frequently asked questions

### Is Reflex free?

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

### Is 528i free?

528i is free to download, with no in-app purchases.

### Which has better reviews, Reflex or 528i?

528i is rated higher. Reflex averages 3.5 out of 5 from 23 ratings, while 528i averages 5.0 from 3 ratings.

### Do Reflex or 528i have ads?

Neither Reflex nor 528i shows ads.

### Which is updated more often, Reflex or 528i?

Reflex ships an update every 2 weeks, and 528i fortnightly. Most recently, Reflex was updated on September 10, 2026 and 528i on June 1, 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.*